WO2023018180A1 - 회로 기판 모듈 및 그 제조 방법 - Google Patents
회로 기판 모듈 및 그 제조 방법 Download PDFInfo
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- WO2023018180A1 WO2023018180A1 PCT/KR2022/011858 KR2022011858W WO2023018180A1 WO 2023018180 A1 WO2023018180 A1 WO 2023018180A1 KR 2022011858 W KR2022011858 W KR 2022011858W WO 2023018180 A1 WO2023018180 A1 WO 2023018180A1
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- WIPO (PCT)
- Prior art keywords
- opening
- substrate
- circuit board
- filler
- module
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20463—Filling compound, e.g. potted resin
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/115—Via connections; Lands around holes or via connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4623—Manufacturing multilayer circuits by laminating two or more circuit boards the circuit boards having internal via connections between two or more circuit layers before lamination, e.g. double-sided circuit boards
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/04—Assemblies of printed circuits
- H05K2201/042—Stacked spaced PCBs; Planar parts of folded flexible circuits having mounted components in between or spaced from each other
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09063—Holes or slots in insulating substrate not used for electrical connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10378—Interposers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10507—Involving several components
- H05K2201/10545—Related components mounted on both sides of the PCB
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0126—Dispenser, e.g. for solder paste, for supplying conductive paste for screen printing or for filling holes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
- H05K2203/1178—Means for venting or for letting gases escape
Definitions
- Various embodiments of the present disclosure relate to a circuit board module, an electronic device including the circuit board module, and a manufacturing method thereof.
- Electronic devices include home appliances, electronic notebooks, portable multimedia players, mobile communication terminals, tablet PCs, video/audio devices, desktop/laptop computers, and vehicle navigation devices that perform specific functions according to installed programs. can mean For example, these electronic devices may output stored and/or transmitted information as sound or image.
- a single electronic device such as a mobile communication terminal may be equipped with various functions. For example, not only communication functions, but also entertainment functions such as games, multimedia functions such as music/video playback, communication and security functions such as mobile banking, and functions such as schedule management and electronic wallets are integrated into one electronic device. will be.
- These electronic devices are miniaturized so that users can conveniently carry them.
- a printed circuit board disposed in an electronic device may be manufactured as a stacked printed circuit board (eg, a circuit board module) for mounting efficiency.
- Circuit boards located in the laminated printed circuit board may be designed side by side with sizes corresponding to each other. In this structure, many empty spaces exist according to various thicknesses of components mounted therein.
- Various heat sources may exist on the printed circuit board.
- the filler may flow backward or flow out due to the viscosity of the filler or the thermal expansion of the air inside the laminated printed circuit board.
- a printed circuit board including a sealing member sealing the filler injection port may be provided. Accordingly, even when a high-viscosity filler is injected into the printed circuit board at a high speed, reverse flow of the filler can be prevented.
- a plurality of openings capable of controlling air flow inside the printed circuit board may be provided. Accordingly, the filler may be stably applied even when a high-temperature environment is created inside the printed circuit board.
- a circuit board module having a second opening through which air is introduced into the first space and a third opening through which air is discharged from the first space may be provided on at least one of the second substrate and the interposer.
- a circuit board module comprising: a first substrate; a second substrate including a first opening and disposed over the first substrate; an interposer disposed between the first substrate and the second substrate to connect the first substrate and the second substrate, and providing a first space between the first substrate and the second substrate; and a sealing member attached to cover the first opening, wherein at least one of the first substrate, the second substrate, or the interposer has a second portion through which air is introduced into the first space.
- the sealing member includes an insertion area into which a nozzle is inserted, and when the nozzle is inserted, the filler can be injected, but when the nozzle is removed, the inlet is substantially sealed to prevent the filler from flowing backward. can do.
- FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments.
- FIG. 2 is a front perspective view of an electronic device according to various embodiments of the present disclosure.
- FIG. 3 is a rear perspective view of an electronic device according to various embodiments of the present disclosure.
- FIG. 4 is an exploded perspective view of an electronic device according to various embodiments of the present disclosure.
- FIG. 5 is a schematic diagram of a circuit board module provided with a backflow prevention structure, according to various embodiments of the present disclosure.
- FIG. 6 is an exploded perspective view of a circuit board module according to various embodiments.
- FIG. 7 is a top view of a circuit board module according to various embodiments.
- FIG. 8 is a perspective view of a circuit board module viewed from above according to various embodiments of the present disclosure
- FIG. 9 is a view showing that a filler is partially coated on the circuit board module of FIG. 8 .
- FIG. 10 is a view showing a state in which application of a filler to the circuit board module of FIG. 8 is completed.
- FIG. 11 is a view showing a cross section taken along line A-A' of FIG. 9 .
- FIG. 12 is a view showing a cross section BB′ of FIG. 10 .
- FIG. 13 is a diagram illustrating a circuit board module according to another embodiment.
- FIG. 14 is examples of an insertion area of a sealing member according to various embodiments.
- 15 is examples of a deformation preventing area of a sealing member according to various embodiments.
- 16 is a cross-sectional view illustrating a process in which a filler is introduced through a sealing member according to various embodiments.
- 17 is a view showing a nozzle according to another embodiment and a process in which a filler is introduced through the nozzle.
- FIG. 18 is a view showing a nozzle having a sealing member according to another embodiment and a process in which a filler is introduced through the nozzle.
- 19 is a diagram illustrating a backflow prevention structure according to various embodiments.
- 20 is a diagram illustrating a backflow prevention structure according to another embodiment.
- 21 is a view showing a backflow preventing structure according to another embodiment.
- 22 is a first example of a multilayer stacked circuit board module according to various embodiments.
- 23 is a second example of a multilayer stacked circuit board module according to various embodiments.
- FIG. 24 is a view illustrating a third example of a multi-layered circuit board module according to various embodiments and a state in which a filler is injected into them.
- 25 is a view illustrating a fourth example of a multi-layered circuit board module according to various embodiments and a state in which a filler is injected into them.
- 26 is a view illustrating a fifth example of a multi-layered circuit board module according to various embodiments and a state in which a filler is injected into them.
- FIG. 27 is a view illustrating a sixth example of a multi-layered circuit board module according to various embodiments and a state in which a filler is injected into them.
- FIG. 28 is a flowchart illustrating a method of injecting a filler into a circuit board module to manufacture a circuit board module coated with the filler according to various embodiments.
- FIG. 1 is a block diagram of an electronic device in a network environment according to various embodiments of the present disclosure.
- an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It is possible to communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or the antenna module 197 may be included.
- at least one of these components eg, the connection terminal 178) may be omitted or one or more other components may be added.
- some of these components eg, sensor module 176, camera module 180, or antenna module 197) are integrated into a single component (eg, display module 160). It can be.
- the processor 120 for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- software eg, the program 140
- processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- the processor 120 may include a main processor 121 (eg, a central processing unit or an application processor (AP)), or a secondary processor 123 (eg, a graphics processing unit, It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor.
- a main processor 121 eg, a central processing unit or an application processor (AP)
- a secondary processor 123 eg, a graphics processing unit, It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor.
- NPU neural processing unit
- the auxiliary processor 123 uses less power than the main processor 121 or is set to be specialized for a designated function. It can be.
- the secondary processor 123 may be implemented separately from or as part of the main processor 121 .
- the secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
- the auxiliary processor 123 eg, image signal processor or communication processor
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where artificial intelligence is performed, or may be performed through a separate server (eg, the server 108).
- the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning or reinforcement learning, but in the above example Not limited.
- the artificial intelligence model may include a plurality of artificial neural network layers.
- Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the foregoing, but is not limited to the foregoing examples.
- the artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.
- the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101 .
- the data may include, for example, input data or output data for software (eg, program 140) and commands related thereto.
- the memory 130 may include volatile memory 132 or non-volatile memory 134 .
- the program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
- the input module 150 may receive a command or data to be used by a component (eg, the processor 120) of the electronic device 101 from the outside of the electronic device 101 (eg, a user).
- the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
- the sound output module 155 may output sound signals to the outside of the electronic device 101 .
- the sound output module 155 may include, for example, a speaker or a receiver.
- the speaker can be used for general purposes such as multimedia playback or recording playback.
- a receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
- the display module 160 can visually provide information to the outside of the electronic device 101 (eg, a user).
- the display module 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device.
- the display module 160 may include a touch sensor configured to detect a touch or a pressure sensor configured to measure the intensity of force generated by the touch.
- the audio module 170 may convert sound into an electrical signal or vice versa. According to an embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an infrared (IR) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.
- the interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102).
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card interface
- audio interface audio interface
- connection terminal 178 may include a connector through which the electronic device 101 may be physically connected to an external electronic device (eg, the electronic device 102).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 may convert electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 may capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 may manage power supplied to the electronic device 101 .
- the power management module 188 may be implemented as at least part of a power management integrated circuit (PMIC), for example.
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101 .
- the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
- the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported.
- the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
- the communication module 190 may be a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, a : a local area network (LAN) communication module or a power line communication module).
- a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, a legacy communication module).
- the wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199.
- IMSI International Mobile Subscriber Identifier
- the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, NR access technology (new radio access technology).
- NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low latency
- -latency communications can be supported.
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- the wireless communication module 192 uses various technologies for securing performance in a high frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. Technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna may be supported.
- the wireless communication module 192 may support various requirements defined for the electronic device 101, an external electronic device (eg, the electronic device 104), or a network system (eg, the second network 199).
- the wireless communication module 192 is a peak data rate for eMBB realization (eg, 20 Gbps or more), a loss coverage for mMTC realization (eg, 164 dB or less), or a U-plane latency for URLLC realization (eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) may be supported.
- eMBB peak data rate for eMBB realization
- a loss coverage for mMTC realization eg, 164 dB or less
- U-plane latency for URLLC realization eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less
- the antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device).
- the antenna module may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (eg, a printed circuit board (PCB)).
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is selected from the plurality of antennas by the communication module 190, for example. can be chosen A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
- other components eg, a radio frequency integrated circuit (RFIC) may be additionally formed as a part of the antenna module 197 in addition to the radiator.
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- signal e.g. commands or data
- commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
- Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
- all or part of operations executed in the electronic device 101 may be executed in one or more external devices among the external electronic devices 102 , 104 , and 108 .
- the electronic device 101 when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself.
- one or more external electronic devices may be requested to perform the function or at least part of the service.
- One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 101 .
- the electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an internet of things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- Electronic devices may be devices of various types.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
- a portable communication device eg, a smart phone
- a computer device e.g., a smart phone
- a portable multimedia device e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a camera
- a wearable device e.g., a smart bracelet
- first, second, or first or secondary may simply be used to distinguish that component from other corresponding components, and may refer to that component in other respects (eg, importance or order) is not limited.
- a (eg, first) component is said to be “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively.”
- the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logical blocks, parts, or circuits.
- a module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- a storage medium eg, internal memory 136 or external memory 138
- a machine eg, electronic device 101
- a processor eg, the processor 120
- a device eg, the electronic device 101
- the one or more instructions may include code generated by a compiler or code executable by an interpreter.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.
- a signal e.g. electromagnetic wave
- the method according to various embodiments disclosed in this document may be included and provided in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- a computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store TM ) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- a device e.g. compact disc read only memory (CD-ROM)
- an application store e.g. Play Store TM
- It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- at least part of the computer program product may be temporarily stored or temporarily created in a storage medium readable by a device such as a manufacturer's server, an application store server, or a relay server's memory.
- each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. there is.
- one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg modules or programs
- the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. .
- the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.
- FIG. 2 is a front perspective view of an electronic device according to various embodiments of the present disclosure.
- 3 is a rear perspective view of an electronic device according to various embodiments of the present disclosure;
- the electronic device 101 has a front side 310A, a back side 310B, and a side surface 310C surrounding a space between the front side 310A and the back side 310B. It may include a housing 310 including a). In another embodiment (not shown), the housing 310 may refer to a structure forming some of the front face 310A of FIG. 2 , the rear face 310B and the side face 310C of FIG. 3 . According to one embodiment, the front surface 310A may be formed by a front plate 302 (eg, a glass plate or a polymer plate including various coating layers) that is substantially transparent at least in part.
- a front plate 302 eg, a glass plate or a polymer plate including various coating layers
- the rear surface 310B may be formed by the rear plate 311 .
- the rear plate 311 may be formed of, for example, glass, ceramic, polymer, metal (eg, aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the above materials.
- the side surface 310C may be formed by a side bezel structure (or "side member") 318 coupled to the front plate 302 and the rear plate 311 and including metal and/or polymer.
- the back plate 311 and the side bezel structure 318 may be integrally formed and include the same material (eg, glass, a metal material such as aluminum, or ceramic).
- the front plate 302 includes two first edge regions 310D curved from the front surface 310A toward the rear plate 311 and extending seamlessly, the front plate ( 302) at both ends of the long edge.
- the rear plate 311 has two second edge regions 310E that are curved from the rear surface 310B toward the front plate 302 and extend seamlessly at both ends of the long edges.
- the front plate 302 (or the rear plate 311) may include only one of the first edge regions 310D (or the second edge regions 310E). In another embodiment, some of the first edge regions 310D or the second edge regions 310E may not be included.
- the side bezel structure 318 when viewed from the side of the electronic device 101, has a side that does not include the first edge areas 310D or the second edge areas 310E.
- a side surface may have a first thickness (or width), and a side surface including the first edge regions 310D or the second edge regions 310E may have a second thickness smaller than the first thickness.
- the electronic device 101 includes a display 301 (eg, the display device 160 of FIG. 1 ), audio modules 303 , 307 , and 314 (eg, the audio module 170 of FIG. 1 ). ), a sensor module (eg, sensor module 176 of FIG. 1), a camera module 305, 312, 313 (eg, camera module 180 of FIG. 1), a key input device 317 (eg, FIG. 1 of the input device 150), and connector holes 308 and 309 (eg, the connection terminal 178 of FIG. 1).
- the electronic device 101 may omit at least one of the components (eg, the connector hole 309) or may additionally include other components.
- the display 301 may be visually exposed, for example, through a substantial portion of the front plate 302 .
- at least a portion of the display 301 may be exposed through the front plate 302 forming the front surface 310A and the first edge regions 310D.
- a corner of the display 301 may be substantially identical to an adjacent outer shape of the front plate 302 .
- the distance between the outer edge of the display 301 and the outer edge of the front plate 302 may be substantially the same.
- the surface of the housing 310 may include a screen display area formed as the display 301 is visually exposed.
- the screen display area may include a front surface 310A and first edge areas 310D.
- a recess or an opening is formed in a portion of a screen display area (eg, the front surface 310A and the first edge area 310D) of the display 301, and the recess Alternatively, at least one of an audio module 314, a sensor module (not shown), a light emitting device (not shown), and a camera module 305 aligned with the opening may be included.
- an audio module 314, a sensor module (not shown), a camera module 305, a fingerprint sensor (not shown), and a light emitting element (not shown) may include at least one or more.
- At least one camera module 305 or 312 may be disposed in a lower direction of the display 301 .
- the first camera module 305 may be disposed in at least a partial area of the display 301 corresponding to a camera field of view (FOV).
- FOV camera field of view
- the position of the first camera module 305 may not be visually distinguished (or exposed).
- the first camera module 305 when viewing the display 301 from the first surface 310A, the first camera module 305 is disposed in at least a part of the display 301, corresponding to the camera field of view (FOV), An image of an external subject may be obtained without being visually exposed to the outside.
- the first camera module 305 may be an under display camera (UDC).
- the electronic device 101 may include a display (not shown) that is disposed to be capable of sliding movement and provides a screen (eg, a display area).
- the display area of the electronic device 101 may be an area that is visually exposed and allows an image to be output.
- the electronic device 101 may adjust the display area according to the movement of the sliding plate (not shown) or the movement of the display.
- the electronic device 101 is configured such that at least a portion (eg, the housing 310) of the electronic device 101 slides at least partially to promote selective expansion of a display area.
- a rollable electronic device may be included.
- the aforementioned display may also be referred to as, for example, a slide-out display or an expandable display.
- the display 301 is coupled to or adjacent to a touch sensing circuit, a pressure sensor capable of measuring the intensity (pressure) of a touch, and/or a digitizer that detects a magnetic stylus pen. can be placed.
- a touch sensing circuit capable of measuring the intensity (pressure) of a touch
- a digitizer capable of measuring the intensity (pressure) of a touch
- a digitizer that detects a magnetic stylus pen.
- at least a portion of the key input device 317 may be disposed in the first edge areas 310D and/or the second edge areas 310E.
- the audio modules 303 , 307 , and 314 may include, for example, a microphone hole 303 and speaker holes 307 and 314 .
- a microphone for acquiring external sound may be disposed inside the microphone hole 303, and in some embodiments, a plurality of microphones may be disposed to detect the direction of sound.
- the speaker holes 307 and 314 may include an external speaker hole 307 and a receiver hole 314 for communication.
- the speaker holes 307 and 314 and the microphone hole 303 may be implemented as one hole, or a speaker may be included without the speaker holes 307 and 314 (eg, a piezo speaker).
- the audio modules 303 , 307 , and 314 are not limited to the above structure, and may be variously designed depending on the structure of the electronic device 101, such as mounting only some audio modules or adding new audio modules.
- the sensor module may generate an electrical signal or data value corresponding to an internal operating state of the electronic device 101 or an external environmental state.
- the sensor module may include, for example, a first sensor module (eg, a proximity sensor) and/or a second sensor module (eg, a fingerprint sensor) disposed on the front surface 310A of the housing 310, and/or Alternatively, a third sensor module (eg, HRM sensor) and/or a fourth sensor module (eg, fingerprint sensor) disposed on the rear surface 310B of the housing 310 may be included.
- the fingerprint sensor may be disposed on the rear surface 310B as well as the front surface 310A (eg, the display 301 ) of the housing 310 .
- the electronic device 101 includes a sensor module (not shown), for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, At least one of a humidity sensor and an illuminance sensor may be further included.
- the sensor module is not limited to the above structure, and depending on the structure of the electronic device 101, the design may be variously changed, such as mounting only some sensor modules or adding a new sensor module.
- the camera modules 305, 312, and 313 are, for example, a front camera module 305 disposed on the front side 310A of the electronic device 101, and a rear side disposed on the rear side 310B.
- a camera module 312 and/or a flash 313 may be included.
- the camera modules 305 and 312 may include one or a plurality of lenses, an image sensor, and/or an image signal processor.
- the flash 313 may include, for example, a light emitting diode or a xenon lamp.
- two or more lenses (infrared camera, wide-angle and telephoto lenses) and image sensors may be disposed on one side of electronic device 101 .
- the camera modules 305 , 312 , and 313 are not limited to the above structure, and may be variously designed depending on the structure of the electronic device 101, such as mounting only some camera modules or adding new camera modules.
- the electronic device 101 may include a plurality of camera modules (eg, a dual camera or a triple camera) each having a different property (eg, angle of view) or function.
- a plurality of camera modules 305 and 312 including lenses having different angles of view may be configured, and the electronic device 101 is a camera that is performed in the electronic device 101 based on a user's selection. It is possible to control the viewing angles of the modules 305 and 312 to be changed.
- at least one of the plurality of camera modules 305 and 312 may be a wide-angle camera and at least the other may be a telephoto camera.
- the plurality of camera modules 305 and 312 may be a front camera, and at least another one may be a rear camera.
- the plurality of camera modules 305 and 312 may include at least one of a wide-angle camera, a telephoto camera, or an infrared (IR) camera (eg, a time of flight (TOF) camera or a structured light camera).
- IR infrared
- TOF time of flight
- the IR camera may operate as at least a part of the sensor module.
- the TOF camera may operate as at least a part of a sensor module (not shown) for detecting a distance to a subject.
- the key input device 317 may be disposed on the side surface 310C of the housing 310 .
- the electronic device 101 may not include some or all of the above-mentioned key input devices 317, and the key input devices 317 that are not included are on the display 301, such as soft keys. It can be implemented in different forms.
- the key input device may include a sensor module (not shown) disposed on the second surface 310B of the housing 310 .
- a light emitting device may be disposed on, for example, the front surface 310A of the housing 310 .
- a light emitting element (not shown) may provide, for example, state information of the electronic device 101 in the form of light.
- a light emitting device may provide a light source that interlocks with the operation of the front camera module 305, for example.
- the light emitting device may include, for example, an LED, an IR LED, and/or a xenon lamp.
- the connector holes 308 and 309 are, for example, a first connector hole capable of receiving a connector (eg, a USB connector) for transmitting and receiving power and/or data to and from an external electronic device.
- a connector eg, a USB connector
- a second connector hole eg, earphone jack
- the camera module 305 of the camera modules 305 and 312 and/or some of the sensor modules are exposed to the outside through at least a portion of the display 301.
- the camera module 305 may include a punch hole camera disposed inside a hole or recess formed on the rear surface of the display 301 .
- the camera module 312 may be disposed inside the housing 310 such that the lens is exposed to the second surface 310B of the electronic device 101 .
- the camera module 312 may be disposed on a printed circuit board (eg, the printed circuit board 340 of FIG. 4 ).
- the camera module 305 and/or the sensor module may be in contact with the external environment through a transparent area from the internal space of the electronic device 101 to the front plate 302 of the display 301. can be placed. Also, some sensor modules (not shown) may be arranged to perform their functions without being visually exposed through the front plate 302 in the internal space of the electronic device.
- FIG. 4 is an exploded perspective view of an electronic device according to various embodiments of the present disclosure.
- an electronic device 101 (eg, the electronic device 101 of FIGS. 1 to 3 ) according to various embodiments includes a side bezel structure 331 (eg, the side bezel structure 318 of FIG. 2 ). )), the first support member 332, the front plate 320 (eg, the front plate 302 of FIG. 2), the display 330 (eg, the display 301 of FIG. 2), the printed circuit board 340 ) (eg PCB, flexible PCB (FPCB), or rigid flexible PCB (RFPCB)), battery 350 (eg battery 189 of FIG. 1), second support member 360 (eg rear case) , an antenna 370 (eg, the antenna module 197 of FIG.
- a side bezel structure 331 eg, the side bezel structure 318 of FIG. 2 ).
- the first support member 332 eg, the front plate 302 of FIG. 2
- the display 330 eg, the display 301 of FIG. 2
- the printed circuit board 340 eg PCB, flexible PCB
- the electronic device 101 may omit at least one of the components (eg, the first support member 332 or the second support member 360) or may additionally include other components. . At least one of the components of the electronic device 101 may be the same as or similar to at least one of the components of the electronic device 101 of FIG. 2 or 3 , and duplicate descriptions are omitted below.
- the first support member 332 may be disposed inside the electronic device 101 and connected to the side bezel structure 331 or integrally formed with the side bezel structure 331 .
- the first support member 332 may be formed of, for example, a metal material and/or a non-metal (eg, polymer) material.
- the display 330 may be coupled to one surface of the first support member 332 and the printed circuit board 340 may be coupled to the other surface.
- a processor, a memory, and/or an interface may be mounted on the printed circuit board 340 .
- the processor may include, for example, one or more of a central processing unit, an application processor, a graphics processing unit, an image signal processor, a sensor hub processor, or a communication processor.
- the printed circuit board 340 may include a flexible printed circuit board type radio frequency cable (FRC).
- FRC radio frequency cable
- the printed circuit board 340 may be disposed on at least a portion of the first support member 332, an antenna module (eg, the antenna module 197 of FIG. 1) and a communication module (eg, the antenna module 197 of FIG. 1). It may be electrically connected to the communication module 190).
- the memory may include, for example, a volatile memory or a non-volatile memory.
- the interface (eg, interface 177 of FIG. 1 ) includes, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, and/or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital
- audio interface can include The interface may electrically or physically connect the electronic device 101 to an external electronic device, and may include a USB connector, an SD card/MMC connector, or an audio connector.
- the battery 350 (eg, the battery 189 of FIG. 1 ) is a device for supplying power to at least one component of the electronic device 101, for example, a non-rechargeable primary battery. cells, or rechargeable secondary cells, or fuel cells. At least a portion of the battery 350 may be disposed on a substantially coplanar surface with the printed circuit board 340 , for example.
- the battery 350 may be integrally disposed inside the electronic device 101 or may be disposed detachably from the electronic device 101 .
- the second support member 360 (eg, a rear case) may be disposed between the printed circuit board 340 and the antenna 370 .
- the second support member 360 may include one surface to which at least one of the printed circuit board 340 or the battery 350 is coupled and the other surface to which the antenna 370 is coupled.
- the antenna 370 may be disposed between the rear plate 380 and the battery 350 .
- the antenna 370 may include, for example, a near field communication (NFC) antenna, a wireless charging antenna, and/or a magnetic secure transmission (MST) antenna.
- the antenna 370 may, for example, perform short-range communication with an external device or wirelessly transmit/receive power required for charging.
- an antenna structure may be formed by a part of the side bezel structure 331 and/or the first support member 332 or a combination thereof.
- the rear plate 380 may form at least a part of the rear surface (eg, the second surface 310B of FIG. 3 ) of the electronic device 101 .
- a filler may be applied to the printed circuit board 340 in order to prevent a problem due to heat generation of components mounted on the printed circuit board 340 .
- the filler may be a material with high heat transfer efficiency.
- the filler may be a liquid or semi-solid state material.
- the filler includes a resin, a gel type thermal interface material (TIM), and a solid TIM, but is not limited thereto.
- the filler according to an embodiment may include both a liquid or semi-solid material, and may be disposed inside the printed circuit board 340 to enhance the rigidity of the printed circuit board 340 and perform a heat dissipation function. It can be interpreted as meaning all the absences that exist.
- the printed circuit board 340 in order to prevent the back flow of the liquid type filler when the filler is applied, the printed circuit board 340 may be provided with a back flow prevention structure 500 (see FIG. 5 ).
- FIG. 5 is a schematic diagram of a circuit board module provided with a backflow prevention structure, according to various embodiments of the present disclosure.
- 6 is an exploded perspective view of a circuit board module according to various embodiments.
- the circuit board module 500 includes a first board 510 , a second board 520 , an interposer 530 disposed between the first board 510 and/or the second board 520 . ), and components 560 mounted on the first substrate 510 and/or the second substrate.
- circuit board module 500 of FIGS. 5 and 6 may be identical or similar in whole or in part to the printed circuit board 340 of FIG. 4 , overlapping descriptions will be omitted.
- the circuit board module 500 may include a sealing member 540 and a plurality of openings 522a and 522b. All or some of the sealing member 540 and the plurality of openings 522a and 522b may be combined to provide a structure for preventing reverse flow of the filler.
- the circuit board module 500 may include an inlet 521 .
- the inlet 521 may be formed on the second substrate 520 .
- a nozzle 590 for injecting a filler may be inserted into the inlet 521 .
- the filler 599 may be applied between the first substrate 510 and the second substrate 520 .
- the sealing member 540 may be disposed to cover all or part of the inlet 521 .
- the sealing member 540 may be attached to the upper surface 520a (see FIG. 7 ) of the second substrate 520 so as to surround the inlet 521 .
- the sealing member 540 may be attached to the upper surface 520a (see FIG. 7 ) of the second substrate 520 using surface mount technology (SMT) using solder or an adhesive.
- the nozzle 590 may pass through both the sealing member 540 and the inlet 521 and apply the filler 599 while being inserted into the circuit board module 500 .
- the sealing member 540 may cover the inlet 521 and prevent the applied filler 599 from flowing backward.
- the various components 560 mounted on the first substrate 510 and/or the second substrate 520 may be a heat source 561 generating heat.
- the heat source 561 may include a power management integrated circuit (PMIC), a power amplifier (PAM), an application processor (AP), a communication processor (CP), a charge integrated circuit (IC), and a display driver integrated circuit (DDI). or at least one of a communication circuit (eg, a transceiver, an active communication element, or a passive communication element).
- PMIC power management integrated circuit
- PAM power amplifier
- AP application processor
- CP communication processor
- IC charge integrated circuit
- DPI display driver integrated circuit
- a communication circuit eg, a transceiver, an active communication element, or a passive communication element.
- the circuit board module 500 may include a first opening 522a and a second opening 522b.
- a first opening 522a and a second opening 522b may be formed in the second substrate 520 .
- air may be introduced into at least one of the first opening 522a or the second opening 522b, and the introduced air may be discharged through the other opening.
- the first opening 522a may be an intake port
- the second opening 522b may be an exhaust port.
- Air introduced through the first opening 522a may flow in the inner space 502 of the circuit board module 500 and be discharged through the second opening 522b. Due to this, the filler 599 applied to the inner space 502 may be applied more widely.
- the injection of outside air through the first opening 522a and the discharge of air inside the circuit board module 500 through the second opening 522b are controlled.
- the application range of the filler 599 can be controlled. This will be described later.
- all or part of the first opening 522a and/or the second opening 522b may provide a discharge path for air thermally expanded in the inner space 502 .
- the first opening 522a and/or the second opening 522b are provided with thermal expansion air. of the discharge path can be provided.
- the circuit board module 500 may include an inspection hole 529 .
- the inspection hole 529 may be formed in the second substrate 520 .
- the inspection hole 529 according to an embodiment may provide a path through which an automated circuit board module manufacturing system may check whether or not the filler 599 is applied to a required area.
- FIG. 7 is a top view of a circuit board module according to various embodiments.
- 8 is a perspective view of a circuit board module viewed from above according to various embodiments of the present disclosure
- FIG. 9 is a view showing that a filler is partially coated on the circuit board module of FIG. 8
- FIG. 10 is a view showing a state in which application of a filler to the circuit board module of FIG. 8 is completed.
- FIG. 11 is a view showing a cross section taken along line A-A' of FIG. 9 .
- FIG. 12 is a view showing a cross section BB′ of FIG. 10 .
- the application direction of the filler 599 may be adjusted due to air introduced or discharged through the plurality of openings 522a and 522b.
- the circuit board module 500 of FIGS. 7 to 11 may be the same or similar in whole or in part to the circuit board module 500 of FIGS. 5 and 6 , so duplicate descriptions will be omitted.
- the distance between the inlet 521 and the first opening 522a and the distance between the inlet 521 and the second opening 522b may be set to be greater than or equal to the threshold distance Lth.
- the inlet 521 through which the filler 599 is introduced and the first opening 522a or the second opening 522b are positioned below the critical distance (Lth) the filler 599 is disposed at the first opening 522a or the second opening 522a. It can flow backward through the two openings 522b.
- the first opening 522a and/or the second opening 522b are disposed to be spaced apart from the inlet 521 by a critical distance (Lth) or more, so that the filler 599 is formed between the first opening 522a and the second opening 522b. / or reverse flow to the second opening 522b can be prevented.
- the critical distance (Lth) means the minimum distance at which the filler 599 does not flow backward into the first opening 522a and/or the second opening 522b during the injection process of the filler 599.
- the critical distance Lth may be determined by at least one or a combination of a portion of an injection rate, an injection time, and/or an injection amount of the filler 599 discharged from the nozzle 590 .
- the first opening 522a may be formed to be spaced apart from the inlet 521 by a first distance l1 greater than or equal to a critical distance Lth.
- the second opening 522b may be formed to be spaced apart from the inlet 521 by a second distance l2 greater than or equal to the critical distance Lth.
- the distance between the inlet 521 and the first opening 522a or the inlet 521 and the second opening 522b is the distance between the first opening 522a and the second opening 522b. may be less than the distance.
- the first opening 522a and/or the second opening 522b may be formed in specific regions of the second substrate 510 , respectively.
- the first opening 522a may be formed at a position corresponding to the first region 511a on the second substrate 520 .
- the second opening 522b may be formed at a position corresponding to the second region 511b on the second substrate.
- the first region 511a and the second region 511b may refer to regions required so that the filler is not coated on the first substrate 510 after the filler injection is completed.
- the first region 511a and the second region 511b may refer to regions in which air thermally expands when the heating source 561 or the filler 599 is cured.
- the first opening 522a and/or the second opening 522b are formed at positions corresponding to the first area 511a and/or the second area 511b so that the air in the overheated inner space 502 is blown to the outside. can be discharged with
- the heat source 561 may be disposed between the first opening 522a and the second opening 522b with respect to the first axis (x-axis, see FIG. 8) direction.
- the heat source 561 may be disposed on the front surface 510a or the rear surface 510b of the first substrate 510 .
- the first axis may refer to a longitudinal axis of the circuit board module 500 .
- the filler 599 may be applied along a direction corresponding to the direction of air flow in the interior space 502 .
- air introduced into the first opening 522a may flow in a direction corresponding to a direction from the first opening 522a to the second opening 522b.
- the filler 599 is disposed in an area corresponding to the heat source 561. can be spread out.
- the inspection hole 529 may be formed between the first opening 522a and the second opening 522b. According to one embodiment, the inspection hole 529 may be formed near the boundary of the second region 511b.
- the automated circuit board module manufacturing system may include various imaging devices (eg, cameras) or various distance sensors (eg, infrared sensors), and the filling material 599 is required through the inspection hole 529. It can be determined whether or not it has been applied to the area to be treated. Similar to the case of the second region 511b, the inspection hole 529 may be formed near the boundary of the first region 511a.
- the imaging device and the distance sensor have been described, but it is not limited thereto, and it will be understood that various sensors capable of confirming application of the filling material 599 through the inspection hole 529 may be used.
- FIGS. 9 and 10 a process of applying a filler 599 to the inner space 502 is illustrated.
- the filler 599 When the filler 599 is injected from the nozzle 590, the filler 599 may initially be stacked on the first application area 523a, which is a region near the inlet 521. When a filler 599 made of a high viscosity material is applied to the first application area 523a near the inlet 521, it is necessary to cause the filler 599 to flow in order to apply the filler 599 to a desired area.
- air passing through the first opening 522a and the second opening 522b may induce a flow of the filler 599 .
- the area where the filler 599 is applied is also in the first direction D1.
- the filler 599 applied to the first application area 523a is flowed in a direction corresponding to the first direction D1 by air moving in the first direction D1, so that the second application area 523a is applied. It may be applied to area 523b.
- the second application area 523b may refer to an area where the filler 599 is applied as required in the industry.
- the second application area 523b may be previously determined according to standards required in industrial settings. For example, the second application area 523b may be determined such that the second application area 523b overlaps an area corresponding to the heat source 561 . As another example, the second application area 523b may be determined not to be disposed under the first opening 522a and/or the second opening 522b. As another example, the second application area 523b may be determined in consideration of the injection amount or injection time of the filler 599 in the manufacturing process. However, it will be understood that this is only an example, and the second application area 523b may be determined according to a combination of the above examples or another demand in the industry.
- all or part of the first opening 522a and/or the second opening 522b may be covered or opened to adjust the air flow in the inner space 502 .
- the second opening 522b may be shielded and only the first opening 522a may be opened to induce the filler 599 to flow in the direction in which the first opening 522a is disposed.
- the first opening 522a ) and/or the position of the second opening 522b may be determined.
- a flow direction of air within the inner space 502 may be determined through the first opening 522a and/or the second opening 522b.
- the filler 599 can be applied not only to the region corresponding to the heat source 561, but also to various parts 560 disposed on the upper surface 510a (see FIGS. 11 and 12) of the first substrate 510, Positions of the first opening 522a and the second opening 522b may be determined.
- a process performer may inject air through the first opening 522a in correspondence with the injection of the filler 599.
- a subject performing a process may be an automated circuit board module manufacturing system or a person, and in the following description of the present disclosure, for convenience of description, the automated circuit board module manufacturing system will be mainly described.
- a process of applying the filler 599 by the air introduced through the first opening 522a is similar to that described above.
- a subject performing the process may determine whether or not the filler 599 is applied on a required region through the inspection hole 529.
- the circuit board module manufacturing system may determine whether the filling material 599 is applied to a position corresponding to the inspection hole 529 by using an imaging device or a distance sensor.
- the inspection hole 529 may be located near the boundary of the second application area 523b.
- the inspection hole 529 is formed inside the second application area 523b adjacent to the boundary of the second application area 523b, and the circuit board module manufacturing system uses an imaging device or a distance sensor to fill the filling material 599. ) may be applied to the vicinity of the boundary of the second application area 523b.
- the circuit board module manufacturing system stops the injection of the filler 599 and/or the inflow of air when it is determined that the filler 599 is applied to an area corresponding to the inspection hole 529, or the filler ( 599) is not applied to the area corresponding to the inspection hole 529, the injection of the filler 599 and/or the introduction of air may be continued.
- FIGS. 11 and 12 a process of injecting a filler 599 into the circuit board module 500 is illustrated as viewed from a cross-section of the circuit board module 500 .
- the first opening 522a and the second opening 522b may adjust the pressure of the inner space 502 .
- a high-temperature environment of, for example, 130 to 140° C.
- air in the inner space 502 expands or gas is generated from the filler 599, and the filler 599 flows back into the inlet 521.
- the first opening 522a and/or the second opening 522b may prevent pressure within the inner space 502 from increasing during the curing operation of the filler 599 .
- first opening 522a and/or the second opening 522b may provide a passage through which air expanded in the internal space 502 in a high-temperature environment can be discharged.
- first opening 522a and/or the second opening 522b may provide a passage through which gas generated from the filler 599 during curing is discharged.
- the fillers 599 may be disposed to be stacked within the inner space 502 below a predetermined height Hth.
- the predetermined height Hth may mean a height from an upper surface 510a of the first substrate to a lower surface 520b of the second substrate.
- the pressure in the inner space 502 is adjusted due to the first opening 522a and/or the second opening 522b, so that the stacking height of the filler 599 may be adjusted.
- the filler 599 may be applied between the upper surface 510a of the first substrate and the upper surface 520a of the second substrate, or the upper end of the inlet 521 .
- FIG. 13 is a diagram illustrating a circuit board module according to another embodiment.
- the circuit board module 500 may include a third opening 522c. Since the circuit board module 500 of FIG. 13 is identical or similar in whole or in part to the circuit board module 500 of FIG. 5 , duplicate descriptions will be omitted.
- the third opening 522c may be formed in the interposer 530 .
- the third opening 522c may provide the same function as the first opening 522a and/or the second opening 522c described above.
- the third opening 522c may be formed together with at least some or all of the first opening 522a and/or the second opening 522c.
- the first opening 522a may be formed in the second substrate 520 and the third opening 522c may be formed in the interposer 530 .
- a plurality of third openings 522c may be formed in the interposer 530 .
- the third opening 522c may be used as an inlet for inserting the nozzle 590 .
- FIG. 14 is examples of an insertion area of a sealing member according to various embodiments.
- the sealing member 540 may include insertion areas 541a to 541d. Since the sealing member 540 of FIG. 14 may be the same or similar in whole or in part to the sealing member 540 of FIG. 5 , overlapping descriptions will be omitted.
- the insertion areas 541a , 541c , and 541d may be formed around the central area of the sealing member 540 .
- the insertion area 541 may provide a passage through which the nozzle 560 is inserted into the inlet 521 .
- the insertion areas 541a and 541c may be provided in a slit shape.
- the area of the insertion areas 541a and 541c may change according to the action of an external force.
- the insertion areas 541a and 541c maintain a substantially gapless shape when no external force is applied, and open when an external force is applied, thereby creating a space for inserting a nozzle.
- the sealing member 540 may include an elastic and restorable material (eg, rubber), so that when the insertion areas 541a and 541c are formed in a slit shape, the shape may change when an external force is applied. It can be restored to its original shape after the action of the external force is over.
- the insertion areas 541a and 541c are formed as slits, the insertion of the nozzle 560 is possible and the shape of the insertion areas 541a and 541c is restored after the application of the filler 599 is completed, so that the reverse flow of the filler 599 is prevented. can be prevented According to an embodiment, the insertion areas 541a and 541c may be formed by penetrating a thin blade or by etching a portion of the sealing member 540 . However, this is only exemplary, and the slit-type insertion regions 541a and 541c may be formed in various ways.
- the slit-shaped insertion regions 541a and 541c may have a symmetrical shape.
- the insertion area 541c may have a cross shape.
- the insertion area 541a may have a Y-shape. Since the slit-shaped insertion regions 541a and 541c have a symmetrical shape, insertion of the nozzle 560 may be facilitated or deformation of the insertion regions 541a and 541c may be minimized when the nozzle 560 is removed.
- the sealing member 540b may include an insertion opening 542b.
- the insertion opening 542b may be formed in a central region of the sealing member 540b.
- the insertion opening 542b may be circular. However, it is not limited thereto, and may have a polygonal shape, and various shapes providing an insertion passage of the nozzle 560 are possible.
- the width of the insertion opening 542b may be narrower than the width of the end of the nozzle 560 . Due to this, when the filler 599 is injected, the nozzle 560 and the insertion opening 542b may come into close contact with each other.
- the insertion opening 542b expands when the nozzle is inserted, and the insertion opening 542b and the insertion opening 542b are restored by elastic force.
- the nozzle 560 may be in close contact.
- the sealing member 540d may include a slit-shaped insertion area 541d and an insertion opening 542d.
- the insertion area 541d may be formed around the insertion opening 542d.
- the insertion area 541d may be formed to surround the insertion opening 542d.
- the insertion opening 542d and the insertion region 541d may be formed to be connected. Descriptions of the insertion region 541d and the insertion opening 542d may be applied to the above-described insertion regions 541a and 541c and the insertion opening 542b.
- 15 is examples of a deformation preventing area of a sealing member according to various embodiments.
- the sealing member 540 may include an adhesive layer 549a, a sealing layer 549b, and deformation prevention areas 543a to 543d. Since the sealing member 540 of FIG. 15 is the same as or similar to the sealing member 540 of FIG. 5 or 14 in whole or in part, overlapping descriptions will be omitted.
- the adhesive layer 549a forms an outer layer of the sealing member 540 and adheres to the circuit board (eg, the first substrate 510 and/or the second substrate 520 of FIG. 4 ). (e.g. SMT method using solder).
- the sealing layer 549b may be positioned below the adhesive layer 549a and may include an elastic material.
- the adhesive layer 549a and the sealing layer 549b may be formed of materials having different coefficients of thermal expansion or may be formed of the same material.
- the deformation preventing area 543 may be formed around the insertion area 541 or the insertion opening 542 .
- the deformation relief region 543 is formed by removing or etching a portion of the adhesive layer 549a in an area adjacent to the insertion region 541 or the insertion opening 542, and forming the insertion region 541 and/or the insertion region 541. Deformation of the opening 542 can be prevented.
- deformation of the sealing member 540 due to a difference in thermal expansion rate between the adhesive layer 549a and the sealing layer 549b may be reduced. .
- the deformation preventing region 543a may be formed in a horizontal or vertical direction based on the shape of the sealing member 540 on the adhesive layer 549a. For example, when the sealing member 540 has a rectangular shape, a portion of the adhesive layer 549a is etched in a horizontal or vertical direction so that the deformation preventing region 543a covers all or part of the insertion region 541. can be formed
- the deformation prevention region 543b may be formed on the adhesive layer 549a in a diagonal direction based on the shape of the sealing member 540 .
- the deformation preventing region 543b may be formed by etching a portion of the adhesive layer 549b in a diagonal direction so as to cover all or part of the insertion region 541.
- the deformation preventing region 543b may be formed in a central region of the adhesive layer 549a.
- the deformation preventing region 543c may be formed in a bend-shaped shape on the adhesive layer 549a.
- the bent shape may include a gently curved shape and a sharply bent shape (eg, L-shaped).
- the deformation prevention region 543c may be formed in a bent shape around the insertion region 541 and may be positioned at an outer portion of the adhesive layer 549a.
- the deformation prevention region 543c is formed in a bent shape on the outside of the adhesive layer 549a (eg, near each vertex of the sealing member 540), and is inserted between the plurality of deformation prevention regions 543c.
- a region 541 may be formed.
- the deformation preventing region 543d may be formed by removing a partial region of the adhesive layer 549a corresponding to the insertion region 541 .
- the deformation preventing region 543d may be formed to include all or part of the insertion region 541 .
- the deformation prevention region 543d may be an opening in which portions of the adhesive layer 549a and/or the sealing layer 549b are removed to include the insertion region 541 .
- the deformation prevention region 543d may be a circular region, but is not limited thereto, and may be formed as a rectangular or various polygonal region.
- FIG. 16 is a cross-sectional view illustrating a process in which a filler is introduced through a sealing member according to various embodiments.
- the circuit board module 500 of FIG. 16 may be the same or similar in whole or in part to the circuit board module 500 of FIG. 5, and the sealing member 540 of FIG. 16 may be the sealing member of FIGS. 14 and 15 ( 540) is the same or similar in whole or in part, and therefore, duplicate descriptions are omitted.
- the nozzle 590 may be inserted into the inner space 502 through the sealing member 540 .
- the nozzle 590 may be inserted in a vertical direction (z-axis direction) of the circuit board module 500 through the insertion area 541 .
- the nozzle 590 may be inserted into the inner space 502 while pressing the first pressed area 540a and the second pressed area 540b adjacent to the insertion area 541 .
- the nozzle 590 presses the first pressed area 540a and the second pressed area 540b, the first pressed area 540a and the second pressed area 540b are deformed in the Z-axis direction.
- the insertion area 541 is expanded so that the nozzle 590 can be inserted into the inner space 502 .
- the nozzle 590 may apply the filler 599 on the first substrate 510 while being inserted into the inner space 502 .
- the shape of the sealing member 540 may be restored.
- the insertion area 541 is formed in a slit shape, so that the first pressed area 540a and the second pressed area 540b come into contact with each other when pressure application by the nozzle 590 is removed.
- the sealing member 540 may prevent the filling material 599 from flowing backward.
- the filler 599 is located only in the inner space 502, for example, the filler 599 is stacked below the aforementioned predetermined height (Hth). It can be.
- 17 is a view showing a nozzle according to another embodiment and a process in which a filler is introduced through the nozzle.
- the nozzle 690 may be inserted into the inner space 502 while penetrating at least a portion of the sealing member 640 .
- the sealing member 640 according to an embodiment may not include a separate insertion area.
- the circuit board module 500 of FIG. 17 may be all or partly the same as or similar to the circuit board module 501 of FIG. 5 , so duplicate descriptions will be omitted.
- the nozzle 690 may have a sharp end 691 .
- the sharpened end portion 691 may pass through the sealing member 640 and may be inserted into the inner space 502 .
- the nozzle 690 penetrating the sealing member 640 and inserted into the inner space 502 may apply the filler 599 .
- FIG. 18 is a view showing a nozzle having a sealing member according to another embodiment and a process in which a filler is introduced through the nozzle.
- nozzles 790 and 890 may include sealing members 792 and 892 . Since the circuit board module 500 of FIG. 18 may be identical or similar in whole or in part to the circuit board module 500 of FIG. 5 , overlapping descriptions will be omitted.
- the sealing members 792 and 892 may be included in a part of the circuit board module (eg, the inlet 521 of the second board 520) as described above, but the nozzles 790 and 890 ) may be included. According to an embodiment, the sealing members 792 and 892 may be disposed on one side of the nozzles 790 and 890 (eg, near the inlet of the nozzle). According to one embodiment, the sealing members 792 and 892 disposed on the nozzles 790 and 890 may be combined with the inlet 521 to seal the inlet 521 of the filler 799 and 899 .
- the sealing member 792 may have a tube shape.
- the sealing member 792 may be formed to surround a part of the nozzle 790 in a horizontal direction.
- the sealing member 792 may be disposed near the end 791 of the nozzle 790 .
- the sealing member 792 may be disposed above the end 791 of the nozzle 790 so that the end 791 can be inserted into the inner space 502 .
- the sealing member 792 in order to seal the inlet 521 , the sealing member 792 may have a larger width than the inlet 521 .
- the sealing member 892 may have a tapered shape.
- the sealing member 892 may have a shape gradually narrowing in a direction from an upper end 894 to a lower end 893 .
- the sealing member 892 may have a shape corresponding to that of the nozzle 890 .
- the width of the lower end 893 of the sealing member 892 may be smaller than that of the inlet 521 so that at least a portion of the nozzle 890 can be inserted into the inlet 521 .
- the width of the upper end 894 of the sealing member 892 may be greater than the width of the inlet 521 .
- the width of the upper end 894 of the sealing member 892 is greater than the width of the inlet 521 , additional insertion of the nozzle 890 may be prevented.
- the side surface 892a is in close contact with the inlet 521, and when the filler 899 is injected from the nozzle 890, the filler 899 backflow can be prevented.
- the sealing member 892 may seal the inlet 521 by a force that vertically presses the nozzle 890 .
- 19 is a diagram illustrating a backflow prevention structure according to various embodiments.
- 20 is a diagram illustrating a backflow prevention structure according to another embodiment.
- 21 is a view showing a backflow preventing structure according to another embodiment.
- the backflow prevention structure includes sealing parts 992, 1092, and 1192 included in nozzles 990, 1090, and 1190 and sealing members 940 and 1040 disposed on the second substrate 520. , 1140) may be provided in combination.
- the sealing portions 992 , 1092 , and 1192 and the sealing members 940 , 1040 , and 1140 may be coupled to each other.
- the sealing portions 992 , 1092 , and 1192 and the sealing members 940 , 1040 , and 1140 contact and engage with each other, and the fillers 999 , 1099 , and 1199 injected from the nozzles 990 , 1090 , and 1190 . backflow can be prevented.
- the sealing portion 992 may be provided in a nut shape, and the sealing member 940 may be provided in a bolt shape.
- the sealing portion 990 includes a tapered injection portion 991, a first contact area 995 located below the injection portion 991 and in contact with the sealing member 940, and the sealing member.
- a peripheral area 993 to surround 940 may be included.
- the sealing member 940 may include a base portion 941 disposed near the inlet 521 and a second contact area 942 disposed above the base portion 941 .
- the base part 941 may be formed of a metal material
- the second contact area 942 may be formed of a rubber material.
- the nozzle 990 presses the sealing member 940 in a vertical direction, and the first contact area 995 compresses the second contact area 942 formed of rubber, so that the inlet 521 ) can be sealed.
- the first contact area 995 and the second contact area 942 may have shapes corresponding to each other and may be formed flat. As the first contact area 995 and the second contact area 942 are formed flat, the contact area can be widened and the sealing efficiency can be increased.
- the outer diameter of the second contact area 942 may be larger than the inner diameter of the peripheral area 993 . Accordingly, bonding strength between the second contact area 942 and the peripheral area 993 may be increased, and sealing efficiency may be improved.
- the sealing portion 1092 may be provided in a cylindrical shape, and the sealing member may be provided in a ring shape.
- an end of the nozzle 1090 may be provided as a sealing portion 1092 having a cylindrical shape.
- the sealing member 1040 may include a base portion 1041 disposed near the inlet 521 and a sealing area 1042 disposed to cover all or part of the base portion 1041.
- the base portion 1041 may be formed of a metal material and the sealing area 1042 may be formed of a rubber material.
- the outer diameter of the sealing area 1042 may be larger than the inner diameter of the sealing portion 1092 .
- information regarding the sealing portion 1092 and the sealing member 1040 may be applied mutatis mutandis to the sealing portion 992 and the sealing member 940 of FIG. 19 .
- the sealing portion 1192 may be provided in the form of a male thread, and the sealing member 1140 may be provided in the form of a female thread.
- the sealing portion 1192 may include a first screw area 1191
- the sealing member 1140 may include a second screw area 1141 .
- the sealing portion 1192 and the sealing member 1140 are screwed together so that the filling material may be injected into the inner space of the circuit board module in a state where the nozzle 1190 and the sealing member 1140 are shielded from each other.
- this is exemplary, and that the nozzle 1190 may be provided in the form of a female screw and the sealing member 1140 may be provided in the form of a male screw.
- a circuit board module may be formed by stacking three or more boards.
- a backflow prevention structure in a case where three or more substrates are stacked according to various embodiments will be described with reference to the drawings.
- 22 is a first example of a multilayer stacked circuit board module according to various embodiments.
- 23 is a second example of a multilayer stacked circuit board module according to various embodiments.
- the circuit board module 1200 includes a first board 1210, a second board 1220, a third board 1230 and a fourth board 1240, which are sequentially It can be formed by layering. Also, the plurality of interposers 1250a, 1250b, and 1250c may be disposed between the substrates to connect the substrates and provide internal spaces 1215, 1225, and 1235 between the substrates.
- the inlets 1241 and 1232 may be formed on all or part of the boards 1210 , 1220 , 1230 and 1240 constituting the circuit board module 1200 .
- the inlets 1241 and 1232 may be formed on both the fourth substrate 1240 and the third substrate 1230, and positions of the inlets 1241 and 1232 may correspond to each other.
- the nozzle 1290 passes through both the first inlet 1241 and the second inlet 1232 and enters the inner space 1222 between the second substrate 1220 and the third substrate 1230. Filler 1299 may be applied.
- the fourth substrate 1240 may include a third inlet 1242 .
- the third inlet 1242 functions as an inlet for inserting the nozzle 1290 and/or an opening for inducing air flow inside the circuit board module 1200 (eg, the first opening 522a in FIG. 5 and The function of the second opening 522b may be provided.
- all or some of the plurality of interposers 1350a, 1350b, and 1350c may include inlets 1351a, 1351b, and 1351c. Since the configuration of the circuit board module 1300 according to an embodiment may be all or partly the same as or similar to the configuration of the circuit board module 1200 described above, duplicate descriptions will be omitted.
- the nozzle 1390 is inserted into the first inlet 1351a, the second inlet 1351b, and/or the third inlet 1351c to inject the filling material into the inner space of the circuit board module 1300. can do.
- 24 is a view illustrating a third example of a multi-layered circuit board module according to various embodiments and a state in which a filler is injected into them.
- 25 is a view illustrating a fourth example of a multi-layered circuit board module according to various embodiments and a state in which a filler is injected into them.
- the circuit board module 1400 may include inlets 1441 and 1541 , first openings 1442 and 1542 , and second openings 1412 and 1512 . Since the configuration of the circuit board module 1400 of FIG. 23 may be the same or similar in whole or in part to the configuration of the circuit board module 1200 of FIGS. 22 and/or 23 , overlapping descriptions will be omitted.
- an air flow for applying the filler 1499 may be induced in the circuit board module 1400 in which three or more substrates are stacked.
- an air flow is induced inside the circuit board module 1400 so that the filler 1499 moves into the first inner space 1499. It may be applied to all or part of the space 1435 , the second inner space 1425 and/or the third inner space 1415 .
- the first opening 1442 formed in the fourth substrate 1400 and the second opening 1412 formed in the first substrate 1410 allow air flow in the internal space of the circuit board module 1400.
- a second substrate 1420 and/or a third substrate ( 1430 may have third opening(s) 1422 and 1432 formed therein.
- the first opening 1442, the second opening 1412 and/or the third opening 1422 may be positioned to determine the air flow direction within the circuit board module 1400.
- the third opening 1412 may be located on a side opposite to the inlet 1441 in a horizontal direction to further induce horizontal flow of air in the internal spaces 1415 , 1425 , and 1435 .
- the third opening 1512 may be located on the same side as the inlet 1441 in the horizontal direction to further induce a vertical flow of air in the internal spaces 1415 , 1425 , and 1435 .
- 26 is a view illustrating a fifth example of a multi-layered circuit board module according to various embodiments and a state in which a filler is injected into them.
- 27 is a view illustrating a sixth example of a multi-layered circuit board module according to various embodiments and a state in which a filler is injected into them.
- the circuit board module 1600 may include first openings 1642 and second openings 1652b and 1652a facing in different directions. Since the circuit board module 1600 of FIG. 24 may be the same or similar in whole or in part to the circuit board module 1400 of FIG. 24 , overlapping descriptions will be omitted.
- the first opening 1642 may be formed in the fourth substrate 1640 and the second openings 1652b and 1652c may be formed in the interposers 1650b and 1650c.
- air introduced from the first opening 1642 formed in the fourth board 1640 is discharged through the second openings 1652b and 1652c, so that the air flows inside the circuit board module 1600. can be induced.
- the third openings 1622 and 1632 may be formed in the second substrate 1620 and/or the third substrate 1630 . As the flow of air is induced inside the circuit board module 1600, the application direction of the filler 1699 can be changed, similar to the above description, and thus a duplicate description will be omitted.
- the second opening(s) 1652b and 1652c may be formed in some or all of the first interposer 1650c and/or the second interposer 1650b.
- the formation positions of the second openings 1652b and 1652c may be determined according to an area where the filler 1699 is to be applied or positions of the components 1660 disposed on the circuit board module 1600.
- the second openings 1652b and 1652c may be arranged to provide an air flow path through which the filler 1699 is applied to an area corresponding to the heat source 1661 .
- FIG. 28 is a flowchart illustrating a method of injecting a filler into a circuit board module to manufacture a circuit board module coated with the filler according to various embodiments.
- a method of injecting a filler into a circuit board module includes preparing a circuit board module provided with a backflow prevention structure (S100), injecting a filler through an inlet (S200), and a first opening and a second opening. A step of controlling the air flow inside the circuit board module through the two openings (S300) may be included.
- a manufacturing method of a circuit board module may be implemented by an automated circuit board module manufacturing system.
- the circuit board module manufacturing system may include the nozzles 590, 690, 790, 890, 990, 1090, 1190, 1290, 1490, and 1690 according to various embodiments described above.
- the circuit board module may include the circuit board modules 500, 1200, 1400, and 1600 according to various embodiments described above, which include the various embodiments described above. According to the sealing member (540, 640, 1040, 1140) may be included.
- the manufacturing system may inject the filling material into the circuit board through the inlet 521 of the circuit board module.
- the circuit board module may include the sealing member according to various embodiments described above, and the nozzle may inject the filling material into the circuit board module by penetrating the sealing member.
- the manufacturing system may inject the filler material for a predetermined period of time.
- the manufacturing system may determine the filling material injection time based on the result of checking the filling material application area (S400). For example, the manufacturing system, according to the result of the filler application area confirmation (S400) (eg, the filler 599 is applied to the area corresponding to the inspection hole 529, see FIGS. 9 to 12) of the filler injection End time can be determined.
- the manufacturing system may introduce or exhaust air through the first and second openings included in the circuit board module according to various embodiments described above.
- the manufacturing system may introduce air through the first opening and intake through the second opening to induce air flow inside the circuit board module.
- the manufacturing system may introduce and/or aspirate air for a predetermined period of time. For example, the time during which air is introduced and/or sucked may be set to be longer than the time during which the filler is introduced.
- the manufacturing system may determine an air introduction time based on a result of checking the filler application area (S400).
- the manufacturing system determines the air inflow according to the result of the filler application area confirmation (S400) (eg, the filler 599 is applied to the area corresponding to the inspection hole 529, see FIGS. 9 to 12). End time can be determined.
- S400 filler application area confirmation
- the manufacturing system may simultaneously or sequentially perform the filling material injection step (S200) and the air flow control step (S300).
- the manufacturing system may control the air flow inside the circuit board module so that the time during which the step of controlling the air flow (S300) is longer than the time during which the step of injecting the filler (S200) is performed. there is. According to various embodiments, it may take a predetermined time until the filler is cured after being sprayed from the nozzle, and the manufacturing system controls the air flow inside the circuit board module until the injected filler is cured, so that the filler is applied. area can be controlled.
- the manufacturing system as described above, through the inspection hole (529, see Figs. 7 to 10), it can determine whether the filler is applied on the required region.
- the manufacturing system may be set to repeat or terminate the filler injection step (S200) and/or the air introduction step (S300) based on the determination result.
- manufacturing The system may repeat the filler introduction step (S200) and/or the air introduction step (S300).
- the manufacturing system may end the filling material injection step (S200) and/or the air introduction step (S300) when it is determined that the filling material is applied to the region corresponding to the inspection hole 529.
- a circuit board module having a second opening through which air is introduced into the first space and a third opening through which air is discharged from the first space may be provided on at least one of the second substrate and the interposer.
- the second opening and the third opening may be formed in the second substrate.
- the second opening may be formed in the second substrate, and the third opening may be formed in the interposer.
- the filler may be disposed below the first opening.
- the second opening may be formed on a first side of the second substrate, and the third opening may be formed on a second side of the second substrate opposite to the first side.
- a distance between the first opening and the second opening or a distance between the first opening and the third opening may be greater than a distance between the second opening and the third opening.
- the distance between the first opening and the second opening or the distance between the first opening and the third opening is set to a critical distance or more, and the critical distance is an injection speed or an injection time of the filler. It can be determined by considering at least one of them.
- the insertion area expands when pressure is applied and is restored when pressure is removed to substantially seal the first opening.
- the insertion area may have a cross shape.
- the sealing member may include a deformation prevention region on an upper surface thereof to prevent deformation of the sealing region, and the deformation prevention region may overlap the insertion region or may be disposed adjacent to the insertion region.
- the sealing member may be combined with the nozzle to prevent the filling material from flowing backward.
- a third substrate disposed over the second substrate; and a second interposer for connecting the second substrate and the third substrate and providing a second space between the second substrate and the third substrate, wherein the first opening is formed in the third substrate.
- the second opening and the third opening may be formed in at least one of the third substrate, the first substrate, the first interposer, and the second interposer.
- the second substrate may include a fourth opening through which the filler is introduced from the second space into the first space or air introduced from the second opening is introduced into the first space.
- a heating source disposed on the first substrate or the second substrate may be included, and the filler may be applied to an area corresponding to a position where the heating source is disposed.
- the sealing member is formed of a rubber material, and the rubber material may include conductive or non-conductive materials.
- the filler may be formed in a liquid or semi-solid state.
- a filler injection method includes a circuit board module, wherein the circuit board module includes a first substrate; a second substrate including a first opening and disposed over the first substrate; an interposer disposed between the first substrate and the second substrate to connect the first substrate and the second substrate, and providing a first space between the first substrate and the second substrate; and a sealing member attached to cover the first opening, wherein air flows into the first space in at least one of the first circuit board, the second circuit board, and the interposer. preparing a second opening and a third opening through which air is discharged from the first space; injecting the filler through the first opening; and injecting air through the second opening.
- the step of injecting air through the second opening may end after the step of injecting the filler.
- the circuit board module further includes a sealing member including a nozzle insertion area and disposed on the first opening, and further comprising pressurizing and inserting a nozzle into the nozzle insertion area. can do.
- the second opening and the third opening may be formed in the second substrate.
- circuit board module of various embodiments of the present disclosure described above and the electronic device including the same are not limited to the above-described embodiments and drawings, and various substitutions, modifications, and changes are possible within the technical scope of the present disclosure. It will be clear to those skilled in the art to which the invention pertains.
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Abstract
Description
Claims (15)
- 전자 장치 내부의 회로 기판 모듈에 있어서,제1 기판;제1 개구를 포함하고 상기 제1 기판 상부에 배치된 제2 기판;상기 제1 기판과 상기 제2 기판을 전기적으로 연결하기 위하여 상기 제1 기판과 상기 제2 기판 사이에 배치되고, 상기 제1 기판 및 상기 제2 기판 사이의 제1 공간을 제공하는 제1 인터포저;상기 제1 개구를 커버하도록 부착된 실링(sealing) 부재; 및상기 제1 기판과 상기 제2 기판 사이에 배치된 충진재;를 포함하고,상기 실링 부재는, 상기 제1 개구로 충진재 주입용 노즐이 삽입되기 위한 삽입 영역을 포함하고,상기 제1 기판, 상기 제2 기판 또는 상기 제1 인터포저 중 적어도 어느 하나에는, 상기 제1 공간으로 공기가 유입되는 제2 개구 및 상기 제1 공간으로부터 공기가 배출되는 제3 개구가 형성된 회로 기판 모듈.
- 제1 항에 있어서,상기 제2 개구 및 상기 제3 개구는 상기 제2 기판에 형성된 회로 기판 모듈.
- 제1 항에 있어서,상기 제2 개구는 상기 제2 기판에 형성되고,상기 제3 개구는 상기 제1 인터포저에 형성된 회로 기판 모듈.
- 제1 항에 있어서,상기 충진재는, 상기 제1 개구의 하부에 배치된 회로 기판 모듈.
- 제2 항에 있어서,상기 제2 개구는 상기 제2 기판의 제1 측에 형성되고,상기 제3 개구는, 상기 제1 측과 반대인 제2 측에 형성된 회로 기판 모듈.
- 제1 항에 있어서,상기 제1 개구와 상기 제2 개구 사이의 거리 또는 상기 제1 개구와 상기 제3 개구 사이의 거리는, 상기 제2 개구와 상기 제3 개구 사이의 거리보다 짧은 회로 기판 모듈.
- 제1 항에 있어서,상기 제1 개구와 상기 제2 개구 사이의 거리 또는 상기 제1 개구와 상기 제3 개구 사이의 거리는 임계 거리 이상으로 설정되고,상기 임계 거리는, 상기 충진재의 주입 속도 또는 주입 시간 중 적어도 어느 하나를 고려하여 결정되는 회로 기판 모듈.
- 제1 항에 있어서,상기 삽입 영역은,압력이 가해지면 확장되고, 압력이 제거되면 복원되어 상기 제1 개구를 실질적으로 밀봉하는회로 기판 모듈.
- 제8 항에 있어서,상기 삽입 영역은 십자 형상인 회로 기판 모듈.
- 제8 항에 있어서,상기 실링 부재는, 상면에 실링 영역의 변형을 방지하기 위한 변형 방지 영역을 포함하고,상기 변형 방지 영역은 상기 삽입 영역과 중첩되거나 상기 삽입 영역과 인접하게 배치된 회로 기판 모듈.
- 제1 항에 있어서,상기 실링 부재는, 상기 노즐과 조합되어 상기 충진재의 역류를 방지하는 회로 기판 모듈.
- 제1 항에 있어서,제2 기판 상부에 배치된 제3 기판;상기 제2 기판과 상기 제3 기판을 연결하고 상기 제2 기판과 상기 제3 기판 사이의 제2 공간을 제공하기 위한 제2 인터포저;를 더 포함하고,상기 제1 개구는 상기 제3 기판에 형성되고,상기 제2 개구 및 상기 제3 개구는, 상기 제3 기판, 상기 제1 기판, 상기 제1 인터포저 또는 상기 제2 인터포저 중 적어도 하나 이상에 형성된 회로 기판 모듈.
- 제12 항에 있어서,상기 제2 기판은, 상기 제2 공간으로부터 상기 제1 공간으로 상기 충진재가 유입되거나 상기 제2 개구로부터 유입된 공기가 상기 제1 공간으로 유입되기 위한 제4 개구를 포함하는 회로 기판 모듈.
- 제1 항에 있어서,상기 제1 기판 또는 상기 제2 기판에 배치된 발열원;을 포함하고,상기 충진재는 상기 발열원이 배치된 위치와 대응하는 영역에 도포된 회로 기판 모듈.
- 제1 항에 있어서,상기 실링 부재는 고무 재질로 형성되고,상기 고무 재질은 도전성 또는 비도전성을 포함하는 회로 기판 모듈.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22856177.5A EP4376565A4 (en) | 2021-08-10 | 2022-08-09 | Circuit board module and method for manufacturing same |
| CN202280055850.4A CN117796170A (zh) | 2021-08-10 | 2022-08-09 | 电路板模块和制造该电路板模块的方法 |
| US18/438,124 US20240188218A1 (en) | 2021-08-10 | 2024-02-09 | Circuit board module and method for manufacturing same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210105202A KR102882471B1 (ko) | 2021-08-10 | 2021-08-10 | 회로 기판 모듈 및 그 제조 방법 |
| KR10-2021-0105202 | 2021-08-10 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/438,124 Continuation US20240188218A1 (en) | 2021-08-10 | 2024-02-09 | Circuit board module and method for manufacturing same |
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| Publication Number | Publication Date |
|---|---|
| WO2023018180A1 true WO2023018180A1 (ko) | 2023-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2022/011858 Ceased WO2023018180A1 (ko) | 2021-08-10 | 2022-08-09 | 회로 기판 모듈 및 그 제조 방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240188218A1 (ko) |
| EP (1) | EP4376565A4 (ko) |
| KR (1) | KR102882471B1 (ko) |
| CN (1) | CN117796170A (ko) |
| WO (1) | WO2023018180A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4498766A4 (en) * | 2022-09-05 | 2025-07-30 | Samsung Electronics Co Ltd | ELECTRONIC DEVICE WITH PRINTED CIRCUIT BOARD |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024219829A1 (ko) * | 2023-04-19 | 2024-10-24 | 삼성전자주식회사 | 열 전달 물질을 포함하는 인쇄 회로 기판을 포함하는 전자 장치 |
| WO2024232513A1 (ko) * | 2023-05-08 | 2024-11-14 | 삼성전자주식회사 | 열 전달 물질을 포함하는 전자 장치 |
| CN121080131A (zh) | 2023-05-08 | 2025-12-05 | 三星电子株式会社 | 包括热界面材料的电子装置 |
| KR20240174689A (ko) * | 2023-06-09 | 2024-12-17 | 삼성전자주식회사 | 휴대용 전자기기 |
| CN121400074A (zh) * | 2023-06-23 | 2026-01-23 | 三星电子株式会社 | 包括热界面材料的印刷电路板结构和包括其的电子装置 |
| WO2025005423A1 (ko) * | 2023-06-26 | 2025-01-02 | 삼성전자주식회사 | 열 계면 물질을 수용하는 인쇄회로기판 구조체 및 이를 포함하는 전자 장치 |
| WO2025071325A1 (ko) * | 2023-09-27 | 2025-04-03 | 삼성전자 주식회사 | 열 전달 블록을 포함하는 전자 장치 |
| WO2025244400A1 (ko) * | 2024-05-21 | 2025-11-27 | 삼성전자 주식회사 | 쉴드캔을 포함하는 전자 장치 |
| WO2026075377A1 (ko) * | 2024-10-06 | 2026-04-09 | 삼성전자주식회사 | 관통 홀을 정의하는 인쇄 회로 기판 어셈블리 및 이를 포함하는 전자 장치 |
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-
2021
- 2021-08-10 KR KR1020210105202A patent/KR102882471B1/ko active Active
-
2022
- 2022-08-09 CN CN202280055850.4A patent/CN117796170A/zh active Pending
- 2022-08-09 EP EP22856177.5A patent/EP4376565A4/en active Pending
- 2022-08-09 WO PCT/KR2022/011858 patent/WO2023018180A1/ko not_active Ceased
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2024
- 2024-02-09 US US18/438,124 patent/US20240188218A1/en active Pending
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| US12464646B2 (en) | 2022-09-05 | 2025-11-04 | Samsung Electronics Co., Ltd. | Electronic device including printed circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20230023248A (ko) | 2023-02-17 |
| CN117796170A (zh) | 2024-03-29 |
| US20240188218A1 (en) | 2024-06-06 |
| EP4376565A4 (en) | 2025-02-05 |
| KR102882471B1 (ko) | 2025-11-07 |
| EP4376565A1 (en) | 2024-05-29 |
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