WO2021200094A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- WO2021200094A1 WO2021200094A1 PCT/JP2021/010492 JP2021010492W WO2021200094A1 WO 2021200094 A1 WO2021200094 A1 WO 2021200094A1 JP 2021010492 W JP2021010492 W JP 2021010492W WO 2021200094 A1 WO2021200094 A1 WO 2021200094A1
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- Prior art keywords
- semiconductor device
- metal film
- frame
- glass substrate
- metal
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/60—Insulating or insulated package substrates; Interposers; Redistribution layers
- H10W70/67—Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their insulating layers or insulating parts
- H10W70/69—Insulating materials thereof
- H10W70/692—Ceramics or glasses
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2283—Supports; Mounting means by structural association with other equipment or articles mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/804—Containers or encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
- H10W20/41—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their conductive parts
- H10W20/44—Conductive materials thereof
- H10W20/4403—Conductive materials thereof based on metals, e.g. alloys, metal silicides
- H10W20/4421—Conductive materials thereof based on metals, e.g. alloys, metal silicides the principal metal being copper
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/60—Securing means for detachable heating or cooling arrangements, e.g. clamps
- H10W40/611—Bolts or screws
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W42/00—Arrangements for protection of devices
- H10W42/121—Arrangements for protection of devices protecting against mechanical damage
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/60—Insulating or insulated package substrates; Interposers; Redistribution layers
- H10W70/67—Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their insulating layers or insulating parts
- H10W70/68—Shapes or dispositions thereof
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W76/00—Containers; Fillings or auxiliary members therefor; Seals
- H10W76/10—Containers or parts thereof
- H10W76/12—Containers or parts thereof characterised by their shape
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W76/00—Containers; Fillings or auxiliary members therefor; Seals
- H10W76/60—Seals
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/22—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections
- H10W40/226—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections characterised by projecting parts, e.g. fins to increase surface area
- H10W40/228—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections characterised by projecting parts, e.g. fins to increase surface area the projecting parts being wire-shaped or pin-shaped
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W44/00—Electrical arrangements for controlling or matching impedance
- H10W44/20—Electrical arrangements for controlling or matching impedance at high-frequency [HF] or radio frequency [RF]
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/60—Insulating or insulated package substrates; Interposers; Redistribution layers
- H10W70/62—Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their interconnections
- H10W70/63—Vias, e.g. via plugs
- H10W70/635—Through-vias
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/401—Package configurations characterised by multiple insulating or insulated package substrates, interposers or RDLs
Definitions
- This disclosure relates to semiconductor devices.
- the glass substrate can apply semiconductor processing technology and has high surface flatness, it is promising as a substrate for semiconductor devices such as optical parts and high-frequency parts.
- semiconductor devices such as optical parts and high-frequency parts.
- it is necessary to maintain the flatness of the glass substrate and suppress cracking at the end. Therefore, it is important to protect the glass substrate.
- Patent Document 1 There is a technique of covering the side wall of the glass substrate with a resin material when cutting the glass substrate (Patent Document 1).
- the resin material does not have high rigidity enough to protect the glass substrate, which makes it difficult to perform high-precision processing while maintaining the flatness of the glass substrate.
- the glass substrate is held only by the adhesion between the resin material and the glass substrate, there is a concern that the glass substrate may be distorted by an external force or the resin material and the glass substrate may be peeled off.
- CMOS Complementary Metal Oxide Semiconductor
- the optical axis of the CMOS image sensor and the optical lens may shift due to distortion of the glass substrate.
- cracks at the edges of the glass substrate may reduce the reliability of the semiconductor device.
- the present disclosure provides a semiconductor device capable of maintaining the flatness of the glass substrate and sufficiently protecting the end portion of the glass substrate.
- the semiconductor device on one side of the present disclosure includes a first surface, a second surface on the opposite side of the first surface, and a glass substrate including a first surface between the first surface and the second surface. It includes wiring provided on the first and second surfaces, a metal film covering the first side surface, and a frame provided outside the metal film and adhered to the metal film on the first side surface.
- the metal film may be made of the same material as the wiring.
- the metal film may be provided on both the glass substrate and the frame from the glass substrate to the frame on the first and second surface sides.
- the frame includes a third surface on the first surface side, a fourth surface on the second surface side, and a second side surface between the third surface and the fourth surface and facing the first side surface, and is made of metal.
- the film may be provided from the first surface to the third surface and may be provided from the second surface to the fourth surface at the boundary between the glass substrate and the frame.
- the step between the first surface and the third surface and the step between the second surface and the fourth surface may be smaller than the thickness of the metal film, respectively.
- the frame may have a hole penetrating between the third surface and the fourth surface.
- the inner wall of the hole may be coated with a metal material and electrically connected to the wiring or metal film.
- a screw may be provided in the hole, and the screw may fasten the frame and the housing.
- the metal film may be used as an antenna for wireless communication.
- the wiring may be used as an antenna for wireless communication and the metal film may be used as a ground.
- the metal film may be provided on the outer surface of the frame and used as an antenna for wireless communication.
- the metal film provided on the outer surface of the frame may be used as a slot antenna having one or a plurality of slits.
- a semiconductor chip may be mounted on the first surface of the glass substrate.
- the glass substrate has an opening penetrating from the first surface to the second surface, and a metal plate and a semiconductor chip provided on the metal plate may be provided in the opening.
- the metal plate is a heat sink, and the semiconductor chip may be an image sensor chip.
- the frame includes a third surface on the first surface side and a fourth surface on the second surface side, has a hole penetrating between the third surface and the fourth surface, and is a screw provided in the hole. Is fastened to the frame and the housing, and the housing is provided with an optical lens, and the light may be focused on the image sensor chip.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of a semiconductor device according to a third embodiment.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of a semiconductor device according to a fourth embodiment.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of a semiconductor device according to a fifth embodiment.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of a semiconductor device according to a sixth embodiment.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of a semiconductor device according to the seventh embodiment.
- Top cross-sectional view taken along line BB of FIG. The figure which shows the plane layout of the wiring which functions as an antenna.
- Top sectional view taken along line BB of FIG. 12A The schematic plan view which shows the structural example of the semiconductor device by 8th Embodiment.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of a semiconductor device according to a ninth embodiment.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of a semiconductor device according to the tenth embodiment.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of a semiconductor device according to the eleventh embodiment.
- FIG. 5 is a cross-sectional view showing an example of a method for manufacturing a semiconductor device according to a third embodiment.
- FIG. 18 is a cross-sectional view showing an example of a manufacturing method following FIG. FIG.
- FIG. 19 is a cross-sectional view showing an example of a manufacturing method following FIG.
- FIG. 20 is a cross-sectional view showing an example of a manufacturing method following FIG.
- FIG. 21 is a cross-sectional view showing an example of a manufacturing method following FIG.
- the schematic cross-sectional view which shows the modification of the semiconductor device by 4th Embodiment The schematic cross-sectional view which shows the modification of the semiconductor device by 4th Embodiment.
- the schematic cross-sectional view which shows the modification of the semiconductor device by 4th Embodiment The figure which shows the example which used the embodiment which concerns on this technology as a CMOS image sensor.
- FIG. 1 is a schematic plan view showing a configuration example of a semiconductor device (hereinafter, also referred to as a package or a module) according to the first embodiment.
- FIG. 2 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the first embodiment. Note that FIG. 1 shows the positional relationship between the glass substrate 10, the frame 20, the metal film 30, and the semiconductor chip 40, and the detailed configuration of the through electrodes and the like is not shown.
- the semiconductor chip 40 is mounted on the central portion of the glass substrate 10.
- a metal film 30 and a frame 20 are provided around the glass substrate 10 so as to continuously cover the entire side surface of the glass substrate 10.
- the semiconductor chip 40 is not particularly limited, but may be, for example, a CMOS image sensor chip.
- the metal film 30 and the frame 20 may be provided so as to cover a part of the side surface of the glass substrate 10.
- the glass substrate 10 has a side surface (first surface) between the first surface 10A, the second surface 10B on the opposite side of the first surface, and the first surface 10A and the second surface 10B. Side surface) 10C and included.
- a laminated wiring portion 81 is provided on the first surface 10A.
- the laminated wiring portion 81 includes a plurality of layers of wiring 83 provided on the first surface 10A.
- the wiring 83 is covered with the interlayer insulating film 85.
- the laminated wiring portion 82 includes a plurality of layers of wiring 84 provided on the second surface 10B.
- the wiring 84 is covered with an interlayer insulating film 86.
- a low resistance metal material such as copper is used.
- a part of the wiring 83 is electrically connected to the electrode pad 71 on the first surface 10A.
- a part of the wiring 84 is electrically connected to the electrode pad 72 on the second surface 10B.
- the electrode pads 71 and 72 are connected to an electronic component 110 or the like, or are connected to another substrate or component (not shown).
- the other part of the wiring 83 is electrically connected to the bonding pad 51, and is electrically connected to the semiconductor chip 40 via the bonding pad 51 and the bonding wire 50.
- a metal film 30 is provided on the side surface 10C of the glass substrate 10. As shown in FIG. 1, the metal film 30 is provided on the entire outer edge of the glass substrate 10. Further, as shown in FIG. 2, the metal film 30 is provided so as to cover the entire side surface 10C from the first surface 10A to the second surface 10B.
- a low resistance metal material such as copper is used.
- the metal film 30 may be made of the same metal material as the wirings 83 and 84, for example. The metal film 30 may not be provided on a part of the outer edge of the glass substrate 10, or may not cover a part of the side surface 10C.
- the metal film 30 is provided on both the glass substrate 10 and the frame 20 from the glass substrate 10 to the frame 20 on the first and second surfaces 10A and 10B.
- the metal film 30 on the first surface 10A is a metal film (metal film portion) 30A
- the metal film 30 on the second surface 10B is a metal film (metal film portion) 30B.
- the metal film 30A is provided at the boundary between the glass substrate 10 and the frame 20 from the first surface 10A of the glass substrate 10 to the third surface 20A of the frame 20.
- the third surface 20A is a surface of the frame 20 on the first surface 10A side.
- the metal film 30B is provided at the boundary between the glass substrate 10 and the frame 20 from the second surface 10B of the glass substrate 10 to the fourth surface 20B of the frame 20.
- the fourth surface 20B is the surface of the frame 20 on the second surface 10B side.
- the step between the first surface 10A and the third surface 20A is the thickness of the metal film 30A. Is preferably smaller than. More preferably, the first surface 10A and the third surface 20A are substantially flush with each other. As a result, the metal film 30A can be continuously covered from the first surface 10A of the glass substrate 10 to the third surface 20A of the frame 20.
- the step between the second surface 10B and the fourth surface 20B is the thickness of the metal film 30B. Is preferably smaller than. More preferably, the second surface 10B and the fourth surface 20B are substantially flush with each other. As a result, the metal film 30B can be continuously covered from the second surface 10B of the glass substrate 10 to the fourth surface 20B of the frame 20.
- the metal film 30 is provided between the side surface 10C of the glass substrate 10 and the frame 20, and covers the boundary portion between the glass substrate 10 and the frame 20. Thereby, the metal film 30 protects the end portion and the side surface 10C of the glass substrate 10. Unlike the resin material, the metal film 30 can have sufficient rigidity to protect the glass substrate 10. Therefore, the metal film 30 can sufficiently protect the end portion of the glass substrate 10. Further, the metal film 30 may be used as a part of the wirings 83 and 84.
- the frame 20 is provided outside the metal film 30, and is adhered to the metal film 30 by the insulating film 90 on the side surface 10C of the glass substrate 10.
- the frame 20 has a side surface (second side surface) 20C between the third surface 20A, the fourth surface 20B, and the third surface 20A and the fourth surface 20B.
- the side surface 20C is an inner side surface of the frame 20 and is a surface facing the side surface 10C.
- the frame 20 is adhered to the metal film 30 on the side surface 20C.
- the frame 20 is provided so as to surround the entire outer edge of the glass substrate 10, and protects the side surface 10C of the glass substrate 10 together with the metal film 30.
- the metal film 30 is also provided on the third and fourth surfaces 20A and 20B of the frame 20.
- an insulating resin material such as glass epoxy resin is used.
- an insulating resin material such as an epoxy resin is used.
- a through electrode (TGV (Through Glass Via)) 60 is provided on the glass substrate 10.
- the through electrode 60 has a metal film 61 that covers the inner wall of the via hole that penetrates the glass substrate 10, and an insulating film 62 that is filled inside the metal film 61.
- a low resistance metal material such as copper is used.
- the metal film 61 may be made of the same material as the wirings 83 and 84.
- an insulating material such as an epoxy resin is used.
- the metal film 61 is provided to electrically connect a part of the wiring 83 and a part of the wiring 84 through the via hole.
- a semiconductor chip 40 and an electronic component 110 are mounted on the glass substrate 10.
- the bonding pad 41 of the semiconductor chip 40 is connected to the bonding pad 51 via the bonding wire 50.
- the electronic component 110 is connected to the electrode pad 71.
- the semiconductor chip 40 is adhered on the interlayer insulating film 85 by the adhesive 100.
- the metal film 30 is provided between the side surface 10C of the glass substrate 10 and the frame 20, and covers the boundary portion between the glass substrate 10 and the frame 20. Thereby, the metal film 30 can protect the end portion and the side surface 10C of the glass substrate 10. Further, the frame 20 is adhered to the metal film 30 along the outer edge of the glass substrate 10. Thereby, the side surface of the glass can be protected by a member having higher rigidity.
- the metal film 30B may be composed of a plurality of wiring layers.
- a plurality of wiring layers are left over the second surface 10B of the glass substrate 10 and the fourth surface 20B of the frame 20.
- the metal film 30B can be formed in the same wiring layer as the laminated wiring portion 82.
- the metal film 30A may be composed of a plurality of wiring layers that are the same as the laminated wiring portion 81.
- the metal films 30A and 30B in the same layer as the laminated wiring portions 81 and 82, an additional manufacturing process becomes unnecessary and the manufacturing of the semiconductor device becomes easy.
- FIG. 3 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the second embodiment.
- the second embodiment is a form in which the semiconductor chip 40 is flip-chip connected to a substrate for a semiconductor device.
- the semiconductor chip 40 has a metal bump 43 and is connected to the laminated wiring portion 81 by the metal bump 43. That is, in the second embodiment, the semiconductor chip 40 is flip-chip connected above the glass substrate 10.
- Other configurations of the second embodiment may be the same as the corresponding configurations of the first embodiment. Therefore, the second embodiment can obtain the same effect as the first embodiment.
- FIG. 4 is a schematic plan view showing a configuration example of the semiconductor device according to the third embodiment.
- FIG. 5 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the third embodiment.
- FIG. 5 shows a cross section along line 5-5 of FIG.
- the glass substrate 10 has an opening 11 penetrating from the first surface 10A to the second surface 10B at the center thereof.
- the opening 11 is formed in a size capable of receiving the semiconductor chip 40 and the metal plate 120. Therefore, as shown in FIG. 4, the opening 11 has a shape substantially similar to that of the semiconductor chip 40 or the metal plate 120 when viewed from above the first surface 10A of the glass substrate 10, and the semiconductor chip 40 or the metal. It has a size slightly larger than the plate 120.
- both the semiconductor chip 40 and the metal plate 120 are quadrangular, and therefore the opening 11 is also formed in a quadrangle.
- the semiconductor chip 40 is fitted in the upper part of the opening 11.
- a metal plate 120 is fitted in the lower portion of the opening 11.
- the metal plate 120 and the semiconductor chip 40 provided on the metal plate 120 are provided in the opening 11.
- the metal plate 120 is in contact with the back surface of the semiconductor chip 40, absorbs the heat generated in the semiconductor chip 40, and releases the heat from the second surface 10B side of the glass substrate 10. That is, the metal plate 120 functions as a heat sink of the semiconductor chip 40.
- a highly thermally conductive material such as copper is used.
- the semiconductor chip 40 is adhered to the metal plate 120 by the adhesive 100.
- a metal film 65 is provided on the inner wall of the opening 11.
- An insulating film 66 is provided between the metal film 65 and the semiconductor chip 40 and between the metal film 65 and the metal plate 120.
- the insulating film 66 adheres the semiconductor chip 40 and the metal plate 120 to the metal film 65.
- a highly thermally conductive material such as copper is used.
- the metal film 65 is, for example, copper-plated.
- the metal film 65 has a function of covering at least a part of the side surface of the opening 11 and transmitting heat of the semiconductor chip 40 from the side surface to dissipate heat.
- the outer size of the metal plate 120 is larger than the outer size of the semiconductor chip 40, and the entire bottom surface of the semiconductor chip 40 is made of metal. Contact on plate 120. As a result, the metal plate 120 can efficiently release the heat of the semiconductor chip 40.
- the metal plate 120 can protect the semiconductor chip 40 from ambient noise. This facilitates the design of the package of the semiconductor chip 40.
- the Young's modulus or the coefficient of thermal expansion of the frame 20 can be made different from those of the glass substrate 10. Thereby, when the metal plate 120 is fitted, the stress of the entire package can be adjusted.
- the protective resin 42 covers the bonding wire 50 and the bonding pads 41 and 51, and protects the bonding wire 50 and the bonding pads 41 and 51.
- an insulating resin material such as an epoxy resin is used.
- a cover glass 130 is provided above the semiconductor chip 40.
- the cover glass 130 transmits light coming from above the first surface 10A of the glass substrate 10 to the semiconductor chip (for example, CMOS image sensor chip) 40. Further, the cover glass 130 is provided to protect the sensor surface of the semiconductor chip 40.
- the cover glass 130 is supported above the semiconductor chip 40 by ribs 140.
- three holes 150 to 152 are provided at the two corners of the frame 20 and the middle portion of the sides. As shown in FIG. 5, the holes 150 to 152 penetrate between the third surface 20A and the fourth surface 20B of the frame 20. In FIG. 5, only the hole 150 is shown. The holes 150 to 152 penetrate the frame 20 and the interlayer insulating films 85 and 86, and are provided for fastening the frame 20 to other members with screws.
- the holes 150 to 152 are provided in the frame 20 and not in the glass substrate 10. Further, a metal film 30 and an insulating film 90 are provided between the frame 20 and the glass substrate 10. Therefore, the stress applied to the frame 20 when the frame 20 is fastened to another member (for example, the housing 200 shown in FIG. 6) with screws is difficult to be transmitted to the glass substrate 10. As a result, the flatness of the glass substrate 10 can be maintained.
- a metal plate 120 as a heat sink is provided in the opening 11.
- an active component (not shown) having a heat dissipation function may be provided.
- the active component may be, for example, a microchannel device or the like.
- the active component can actively set the heat dissipation temperature and can gradient the internal temperature distribution. Thereby, the stress in the glass substrate 10 can be adjusted and the flatness of the glass substrate 10 can be improved.
- FIG. 6 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the fourth embodiment.
- the fourth embodiment is, for example, an embodiment in which the semiconductor device according to the third embodiment is configured as a CMOS sensor module.
- the housing 200 is fastened to the package according to the third embodiment with screws 220.
- the housing 200 includes an optical lens 210.
- an insulating resin material is used for the housing 200.
- the housing 200 has substantially the same shape as the outer shape of the frame 20 and the glass substrate 10, and has, for example, a quadrangle. Screws 220 are inserted into the holes 150 to 152 of FIG. 4, and the frame 20 is fastened to the housing 200 with the screws 220 and fixed.
- the optical lens 210 is provided corresponding to the light receiving surface of the semiconductor chip 40, and collects the incident light on the semiconductor chip 40.
- the semiconductor chip 40 generates an electric signal (photoelectric conversion) according to the incident light, and transmits it as an electric signal to other components.
- the screw 220 may be inserted into the holes 150 to 152 via the metal plate 250 and the heat radiating layer 260, and may be fastened so as to sandwich the frame 20 between the metal plate 250 and the housing 200.
- a highly thermally conductive material such as copper or graphite is used.
- the heat radiating layer 260 for example, grease, epoxy adhesive or the like is used.
- the metal film 30 may function as an antenna.
- an antenna 240 may be provided on the motherboard 230, and signals may be wirelessly communicated between the metal film 30 and the antenna 240.
- the metal plate 250 is not provided on the portion of the metal film 30 that performs wireless communication.
- the metal film 30 is electrically connected to the semiconductor chip 40 via the wirings 83 and 84, and can receive an electric signal from the semiconductor chip 40.
- FIG. 7 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the fifth embodiment.
- the holes 150 to 152 of the package according to the third embodiment have a metal material on the inner wall thereof and are used as through electrodes.
- a wiring board 300 is provided on the second surface 10B side of the glass substrate 10.
- the wiring board 300 includes a plurality of wiring layers 310 and an interlayer insulating film 320 provided between the wiring layers 310.
- the wiring board 300 is provided so as to face the entire second surface 10B of the glass substrate 10 and the fourth surface 20B of the frame 20. That is, the wiring board 300 is adhered to the entire back surface of the package.
- the holes 150 to 152 are provided so as to penetrate both the frame 20 and the wiring board 300. Further, the inner wall of the holes 150 to 152 is coated with a metal film 155 as a metal material, and is electrically connected to a part of the metal film 30 and the wiring layer 310. With the metal film 155, the holes 150 to 152 can function as through electrodes, and the metal film 30 can function as a wiring or an antenna. For the metal film 155, for example, a low resistance metal material such as copper is used. An insulating film (not shown) may be embedded inside the metal film 155 of the holes 150 to 152, or a screw 220 may be inserted.
- FIG. 8 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the sixth embodiment.
- a plurality of semiconductor chips 40, 45 and a metal plate 120 are built in the opening 11 of the glass substrate 10.
- the inner wall of the opening 11 extends substantially perpendicular to the first or second surfaces 10A and 10B.
- a metal film 65 and an insulating film 66 are provided on the inner wall of the opening 11.
- the semiconductor chip 40 is adhered to one surface 120A of the metal plate 120 via an adhesive 100A.
- a semiconductor chip 45 is adhered to the other surface 120B of the metal plate 120 via an adhesive 100B.
- the semiconductor chip 40 may be, for example, a CMOS image sensor chip, and the semiconductor chip 45 may be, for example, a CMOS circuit that processes a signal from the semiconductor chip 40.
- the package according to the present embodiment may be configured as a multi-chip module.
- the thickness of the insulating film 66 can be reduced so that the semiconductor chips 40 and 45 in the opening 11 of the glass substrate 10 and the metal film 65 can be brought close to each other. As a result, the heat transfer effect from the side surfaces of the semiconductor chips 40 and 45 to the metal film 65 is improved, and heat can be efficiently dissipated. Further, the package according to the present embodiment is made into a multi-chip module, and can be configured thinly and compactly.
- FIG. 9 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the seventh embodiment.
- the wiring 83 functions as an antenna
- the metal film 30 functions as a ground.
- the wiring 83 is insulated from the metal film 30 by an interlayer insulating film 85.
- the metal film 30 is arranged directly below the wiring 83 that functions as an antenna and is grounded. Thereby, the antenna gain of the wiring 83 can be improved.
- Other configurations of the seventh embodiment may be the same as any of the first to sixth embodiments.
- the metal film 30A is provided on the first surface 10A of the glass substrate 10, but is not provided on the third surface 20A of the frame 20.
- FIG. 11A, and FIG. 12A are diagrams showing a planar layout of the wiring 83 that functions as an antenna.
- FIG. 11B is an upper cross-sectional view taken along the line BB of FIG. 11A.
- FIG. 12B is an upper cross-sectional view taken along the line BB of FIG. 12A.
- the wiring 83 may be a dipole antenna composed of two linear conductors.
- the wiring 83A constituting the radiating element of the dipole antenna is provided on the third surface 20A of the frame 20.
- the metal film 30 is grounded and functions as a reflecting element.
- the wiring 83 may be a Yagi-Uda antenna as shown in FIGS. 11A and 11B.
- the wiring 83A of the radiating element is provided on the third surface 20A of the frame 20.
- the metal film 30 is grounded and functions as a reflecting element. As shown in FIGS. 12A and 12B, the metal film 30 may constitute the Yagi-Uda antenna.
- FIG. 13 is a schematic plan view showing a configuration example of the semiconductor device according to the eighth embodiment.
- the metal film 30 and the radiating element 160 form an antenna.
- the radiating element 160 is a conductor provided on the third surface 20A of the frame 20, and is fed from a wiring 83 (not shown).
- the side surface 10C of the glass substrate 10 coated with the metal film 30 has a curved surface centered on the radiating element 160.
- the metal film 30 that covers the side surface 10C functions as a reflective element.
- the curved surface of the side surface 10C allows the directivity and gain of the antenna to be adjusted.
- the insulating film 90 between the metal film 30 and the frame 20 is not shown.
- FIG. 14 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the ninth embodiment.
- the metal film 30 is also provided on the outer surface 20D of the frame 20.
- the metal film 30 on the outer side surface 20D is referred to as a metal film 30C.
- a slit SLT is provided on the metal film 30C on the outer side surface 20D, and the metal film 30C functions as a slot antenna.
- the slit SLT of the metal film 30C may be a single elongated slit. Further, as shown in FIG. 15B, the slit SLT of the metal film 30C may have a plurality of elongated slits arranged substantially in parallel.
- the metal film 30C may be plated on the entire surface of the outer surface 20D, and then the metal film 30C of the slit SLT portion may be patterned by using laser light irradiation or an etching technique.
- a metal film 30C may be formed on the surface region of the outer surface 20D other than the slit SLT by activating the surface region of the outer surface 20D with a laser beam by using an MID (Molded Interconnect Device) or the like.
- the metal film 30C that functions as an antenna may be provided on the outer surface 20D of the frame 20. This facilitates wireless communication with electronic devices (not shown) in the vicinity of the semiconductor device.
- FIG. 16 is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the tenth embodiment.
- the metal films 170 and 171 are provided on the outer surface 20D of the frame 20 and in the frame 20.
- the metal films 170, 171 are electrically connected to the wirings 83, 84 or the metal film 30, and function as an antenna.
- the metal films 170 and 171 may be used as the waveguide element 83C or 30C of the Yagi-Uda antenna shown in FIG. 11A or FIG. 12A.
- the metal film 170 may be provided with a slit SLT and used as a slot antenna.
- FIG. 17A is a schematic cross-sectional view showing a configuration example of the semiconductor device according to the eleventh embodiment.
- the metal film 180 is built in the frame 20 and exposed from the outer surface 20D of the frame 20.
- the metal film 180 may be flush with the outer surface 20D.
- the metal film 180 is connected to the metal film 30.
- the metal film 180 may be made of the same material as the metal film 30.
- FIG. 17B is a side view seen from the outer surface 20D of the frame 20 of the semiconductor device according to the eleventh embodiment.
- the metal film 180 constitutes a radiating element of a dipole antenna.
- the plane layout of the metal film 180 may be the same as the plane layout of the wiring 83A shown in FIG. 10A.
- the above antenna configuration may be a feeding type antenna or a non-feeding type antenna. Further, the above antenna may be combined with any of the first to sixth embodiments. As a result, in the first to sixth embodiments, the effect of the antenna can also be obtained.
- FIG. 18 to 22 are cross-sectional views showing an example of a method for manufacturing a semiconductor device according to the third embodiment.
- the frame 20, the glass substrate 10, and the metal plate 120 are placed on the support substrate 400. If necessary, the glass substrate 10 is formed with an opening 11, and the metal films 30, 61, and 65 are formed by plating or the like.
- the dummy member 410 is temporarily arranged at a position on the metal plate 120 where the semiconductor chip 40 is provided.
- the insulating films 62, 66, and 90 are formed inside the metal film 61 of the glass substrate 10, the gap between the glass substrate 10 and the metal plate 120, and the glass substrate 10 and the frame 20. It is embedded in a gap or the like.
- the insulating films 62, 66, 90 are, for example, epoxy resin or the like, and the glass substrate 10, the metal plate 120, and the frame 20 are adhered to each other.
- the metal films 30A and 30B are formed on the glass substrate 10 and the frame 20 by plating or the like.
- patterning of the metal films 30, 61, and 65 is performed using a lithography technique and an etching technique.
- the plating treatment of the metal films 30A and 30B may be a partial plating treatment using a mask or the like.
- the support substrate 400 is removed from the glass substrate 10 before or after patterning of the metal films 30, 61, 65.
- laminated wiring portions 81 and 82 are formed on the first surface 10A side and the second surface 10B side of the glass substrate 10.
- the wirings 83 and 84 may be configured as multilayer wirings insulated by the interlayer insulating films 85 and 86.
- holes 150 are formed, the dummy member 410 is removed, and the semiconductor chip 40 is adhered onto the metal plate 120. As a result, the dummy member 410 is replaced with the semiconductor chip 40.
- a cover glass 130 is pre-attached to the semiconductor chip 40 by ribs 140.
- the bonding wire 50 is connected between the bonding pad 41 of the semiconductor chip 40 and the bonding pad 51 of the laminated wiring portion 81. Further, the protective resin 42 is formed so as to cover the bonding wire 50. As a result, the structure shown in FIG. 5 is obtained.
- the CMOS image sensor module as shown in FIG. 6 can be formed by going through the assembly process.
- CMOS image sensor module 23 to 30 are schematic cross-sectional views showing a modification of the semiconductor device according to the fourth embodiment.
- 23 to 30 may be CMOS image sensor modules, respectively.
- the semiconductor device 1 shown by the broken line frame may be any of the semiconductor devices of the above embodiment.
- the motherboard 231 has an opening 270 in a region corresponding to the metal plate 120 and the semiconductor chip 40.
- a metal plate 121 is provided on the back surface of the motherboard 231 and inside the opening 270.
- the metal plate 121 is adhered to the semiconductor device 1 with an adhesive layer 122 via the opening 270.
- the metal plate 121 uses, for example, a highly thermally conductive material such as copper.
- the adhesive layer 122 for example, heat-dissipating grease, epoxy resin, or the like is used.
- the motherboard 231 is connected to the electrode pad 72 of the semiconductor device 1 by the land grid array 123. Although not shown, the motherboard 231 may wirelessly communicate with the antenna of the semiconductor device 1.
- the screw 220 penetrates the metal plate 121, the motherboard 231 and the frame 20 of the semiconductor device 1 and reaches the housing 200.
- the metal plate 121, the motherboard 231 and the semiconductor device 1 and the housing 200 are relatively fixed as an integrated CMOS image sensor module.
- CMOS image sensor module can be incorporated into a camera, for example.
- the metal plate 121 is physically connected to the camera housing (not shown), and the heat dissipation performance can be improved.
- Modification 2 In the module shown in FIG. 24, the screw 220 penetrates the metal plate 121 and the motherboard 231 to reach the housing 200 without penetrating the semiconductor device 1. As a result, the metal plate 121, the motherboard 231 and the housing 200 are relatively fixed.
- the semiconductor device 1 is not fixed by the screws 220, but is fixed to the metal plate 121 and the motherboard 231 by the adhesive layer 122 or the land grid array 123.
- the metal plate 121, the motherboard 231 and the semiconductor device 1 and the housing 200 are relatively fixed as an integrated CMOS image sensor module.
- Other configurations of the modified example 2 may be the same as the corresponding configurations of the modified example 1. Therefore, the modification 2 can obtain the same effect as the modification 1.
- Modification example 3 In the module shown in FIG. 25, the screw 220 penetrates the semiconductor device 1 and reaches the housing 200 without penetrating the metal plate 121 and the motherboard 231. As a result, the semiconductor device 1 and the housing 200 are relatively fixed.
- the metal plate 121 and the motherboard 231 are not fixed by the screws 220, but are fixed to the semiconductor device 1 by the adhesive layer 122 or the land grid array 123.
- the metal plate 121, the motherboard 231 and the semiconductor device 1 and the housing 200 are relatively fixed as an integrated CMOS image sensor module.
- Other configurations of the modified example 3 may be the same as the corresponding configurations of the modified example 1. Therefore, the modification 3 can obtain the same effect as the modification 1.
- the motherboard 231 is provided under the metal plate 121 and includes a pin socket 232.
- the semiconductor device 1 includes a pin grid array 124 that is electrically connected to the laminated wiring portion 82. By inserting the pin grid array 124 of the semiconductor device 1 into the pin socket 232 of the motherboard 231 the semiconductor device 1 is electrically connected to the motherboard 231 and fixed to the motherboard 231.
- the metal plate 121, the motherboard 231 and the semiconductor device 1 and the housing 200 are relatively fixed as an integrated CMOS image sensor module.
- Other configurations of the modified example 4 may be the same as the corresponding configurations of the modified example 1. Therefore, the modified example 4 can obtain the same effect as the modified example 1.
- the motherboard 231 is provided under the metal plate 121 and includes a flexible connector 234.
- the semiconductor device 1 includes a flexible structure 125 integrally configured with the laminated wiring portion 82.
- a low resistance metal material such as copper is used for the flexible connector 234 and the flexible structure 125.
- the flexible connector 234 and the flexible structure 125 can be used as wiring between the motherboard 231 and the semiconductor device 1.
- the semiconductor device 1 is elastically connected to the motherboard 231 by the flexible connector 234 and the flexible structure 125.
- the metal plate 121, the motherboard 231 and the semiconductor device 1 and the housing 200 are configured as an integrated CMOS image sensor module, but the semiconductor device 1 can move to some extent relative to the motherboard 231. can.
- Other configurations of the modified example 5 may be the same as the corresponding configurations of the modified example 1. Therefore, the modified example 5 can obtain the same effect as the modified example 1.
- the semiconductor device 1 shown in FIG. 28 includes a metal layer 88 provided between the metal plate 121 and the wiring 84.
- the metal layer 88 is connected to the wiring 84.
- the metal layer 88 is fixed at a predetermined potential (for example, a ground potential).
- a predetermined potential for example, a ground potential.
- a conductive material having high thermal conductivity such as nickel and copper is used.
- the metal layer 88 can improve the thermal conductivity between the metal plate 120 and the metal plate 121.
- the metal layer 88 is electrically connected to the metal plate 120 via the wiring 84, and the metal plate 120 can be fixed at a predetermined potential (for example, a ground potential). Further, the metal layer 88 also has an electromagnetic shielding effect of improving the mechanical strength of the laminated wiring portion 82 and protecting the semiconductor device 1 from external noise.
- the metal layer 88 may be applied to any of the modified examples 1 to 5. Therefore, the modified example 6 can obtain the same effect as any of the modified examples 1 to 5.
- FIG. 29 is a schematic cross-sectional view showing a configuration example of a multi-chip module in which a plurality of semiconductor chips 40 and 44 are mounted on the same metal plate 120.
- the metal plate 120 functions as a common heat sink of the plurality of semiconductor chips 40 and 44. Therefore, the plurality of semiconductor chips 40 and 44 are provided in the same opening 11.
- the semiconductor chips 40 and 44 are not particularly limited, but the semiconductor chip 40 is, for example, a Time-of-Flight light receiving / receiving device (that is, a photodiode sensor).
- the semiconductor chip 44 may be, for example, a VCSEL (Vertical Cavity Surface Emitting Laser).
- a dummy member 410 may be left between the semiconductor chip 40 and the semiconductor chip 44.
- Other configurations of the modification 6 may be the same as the corresponding configurations of the third embodiment shown in FIG.
- FIG. 30 is a schematic cross-sectional view showing a configuration example of a multi-chip module in which a semiconductor chip 40 and a semiconductor chip 44 are mounted on separate metal plates 120 and 126, respectively.
- the metal plate 120 functions as a heat sink of the semiconductor chip 40
- the metal plate 126 functions as a heat sink of the semiconductor chip 44. Therefore, the plurality of semiconductor chips 40 and 44 are provided in separate openings 11 and 12, respectively.
- Other configurations of the modification 6 may be the same as the corresponding configurations of the third embodiment shown in FIG.
- FIG. 31 is a diagram showing an example in which the embodiment according to the present technology is used as a CMOS image sensor.
- the imaging device of the above embodiment can be used in various cases of sensing light such as visible light, infrared light, ultraviolet light, and X-ray, as shown below. That is, as shown in FIG. 31, for example, the field of appreciation for taking an image used for appreciation, the field of transportation, the field of home appliances, the field of medical / healthcare, the field of security, the field of beauty, and sports.
- the above-described embodiment can be used for an apparatus used in the field of agriculture, the field of agriculture, and the like.
- the above embodiment is used for a device for capturing an image to be used for appreciation, such as a digital camera, a smartphone, or a mobile phone having a camera function. Can be done.
- in-vehicle sensors that photograph the front, rear, surroundings, inside of a vehicle, etc., and monitor traveling vehicles and roads for safe driving such as automatic stop and recognition of the driver's condition.
- a device used for traffic such as a monitoring camera for driving, a distance measuring sensor for measuring distance between vehicles, and the like.
- a device used for home appliances such as a television receiver, a refrigerator, and an air conditioner in order to photograph a user's gesture and operate the device according to the gesture.
- a device used for home appliances such as a television receiver, a refrigerator, and an air conditioner in order to photograph a user's gesture and operate the device according to the gesture.
- the above embodiment is used for devices used for medical / healthcare, such as an endoscope and a device for performing angiography by receiving infrared light. Can be done.
- the above-described embodiment can be used for devices used for security, such as surveillance cameras for crime prevention and cameras for personal authentication.
- the above-described embodiment can be used for devices used for cosmetology, such as a skin measuring device for photographing the skin and a microscope for photographing the scalp.
- the above embodiment can be used for a device used for sports such as an action camera or a wearable camera for sports applications.
- the above embodiment can be used for devices used for agriculture, such as a camera for monitoring the condition of fields and crops.
- This technology can be applied to various other products.
- the embodiment of the present technology is not limited to the above embodiment, and various changes can be made without departing from the gist of the present technology.
- the present technology can have the following configurations.
- a glass substrate including a first surface, a second surface opposite the first surface, and a first surface between the first surface and the second surface. Wiring provided on the first and second surfaces and The metal film covering the first side surface and A semiconductor device provided outside the metal film and provided with a frame adhered to the metal film on the first side surface.
- the frame has a third surface on the first surface side, a fourth surface on the second surface side, and a second surface between the third surface and the fourth surface and facing the first side surface. Including 2 sides
- the metal film is provided at the boundary between the glass substrate and the frame from the first surface to the third surface, and is provided from the second surface to the fourth surface.
- the semiconductor device according to any one of (1) to (3).
- (6) The semiconductor device according to (4) or (5), wherein the frame has a hole penetrating between the third surface and the fourth surface.
- a semiconductor chip is mounted on the first surface of the glass substrate.
- the glass substrate has an opening that penetrates from the first surface to the second surface.
- the metal plate is a heat sink and The semiconductor device according to (14), wherein the semiconductor chip is an image sensor chip.
- the frame includes a third surface on the first surface side and a fourth surface on the second surface side, and has a hole penetrating between the third surface and the fourth surface.
- a screw provided in the hole fastens the frame and the housing.
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Abstract
Description
図1は、第1実施形態による半導体装置(以下、パッケージまたはモジュールとも呼ぶ)の構成例を示す概略平面図である。図2は、第1実施形態による半導体装置の構成例を示す概略断面図である。尚、図1では、ガラス基板10、フレーム20、金属膜30、半導体チップ40の位置関係を示し、貫通電極等の詳細な構成の図示については省略している。
図3は、第2実施形態による半導体装置の構成例を示す概略断面図である。第2実施形態は、半導体チップ40を半導体装置用基板にフリップチップ接続した形態である。半導体チップ40は、金属バンプ43を有し、金属バンプ43によって積層配線部81に接続されている。即ち、第2実施形態では、半導体チップ40は、ガラス基板10上方においてフリップチップ接続されている。第2実施形態のその他の構成は、第1実施形態の対応する構成と同様でよい。従って、第2実施形態は、第1実施形態と同様の効果を得ることができる。
図4は、第3実施形態による半導体装置の構成例を示す概略平面図である。図5は、第3実施形態による半導体装置の構成例を示す概略断面図である。図5は、図4の5-5線に沿った断面を示している。
図6は、第4実施形態による半導体装置の構成例を示す概略断面図である。第4実施形態は、例えば、第3実施形態による半導体装置をCMOSセンサモジュールとして構成した実施形態である。第4実施形態では、第3実施形態によるパッケージに筐体200をネジ220で締結している。筐体200は、光学レンズ210を備えている。筐体200には、例えば、絶縁性樹脂材料が用いられる。筐体200は、フレーム20およびガラス基板10の外形とほぼ同じ形状を有し、例えば、四角形を有する。図4の孔150~152には、それぞれネジ220が挿入されており、フレーム20は、筐体200にネジ220で締結され、固定される。これにより、半導体チップ40と光学レンズ210との相対位置関係が決まる。光学レンズ210は、半導体チップ40の受光面に対応して設けられ、入射光を半導体チップ40へ集光させる。半導体チップ40は、この入射光に従った電気信号を生成し(光電変換し)、電気信号として他の部品へ送信する。
図7は、第5実施形態による半導体装置の構成例を示す概略断面図である。第5実施形態は、第3実施形態によるパッケージの孔150~152は、その内壁に金属材料を有し、貫通電極として用いられる。ガラス基板10の第2面10B側には、配線基板300が設けられている。配線基板300は、複数の配線層310と、配線層310間に設けられた層間絶縁膜320とを備える。配線基板300は、ガラス基板10の第2面10Bおよびフレーム20の第4面20Bの全体に対向するように設けられている。即ち、配線基板300は、パッケージの裏面全体に接着されている。
図8は、第6実施形態による半導体装置の構成例を示す概略断面図である。第6実施形態は、ガラス基板10の開口部11内に、複数の半導体チップ40、45および金属板120が内蔵されている。開口部11の内壁は、第1または第2面10A、10Bに対して略垂直方向に延伸している。開口部11の内壁には、金属膜65および絶縁膜66が設けられている。
図9は、第7実施形態による半導体装置の構成例を示す概略断面図である。尚、図9以降では、適宜、半導体装置の端部のみ図示している。以下の図においては、適宜、端部のみ図示する。第7実施形態では、配線83がアンテナとして機能しており、金属膜30がグランドとして機能する。配線83は、金属膜30に対して層間絶縁膜85によって絶縁されている。金属膜30は、アンテナとして機能する配線83の直下に配置され、接地されている。これにより、配線83のアンテナ利得を向上させることができる。第7実施形態のその他の構成は、第1~第6実施形態のいずれかと同じでよい。尚、金属膜30Aは、ガラス基板10の第1面10Aには設けられているが、フレーム20の第3面20Aには設けられていない。
図12Aおよび図12Bに示すように、金属膜30が、八木宇田アンテナを構成していてもよい。
図13は、第8実施形態による半導体装置の構成例を示す概略平面図である。第8実施形態では、金属膜30および放射素子160がアンテナを構成している。放射素子160は、フレーム20の第3面20A上に設けられた導体であり、図示しない配線83から給電される。金属膜30が被覆されているガラス基板10の側面10Cは、放射素子160を中心に曲面を有する。側面10Cを被覆する金属膜30は反射素子として機能する。側面10Cの曲面によって、アンテナの指向性および利得を調整することができる。尚、図13では、金属膜30とフレーム20との間の絶縁膜90の図示を省略している。
図14は、第9実施形態による半導体装置の構成例を示す概略断面図である。第9実施形態では、金属膜30がフレーム20の外側面20Dにも設けられている。外側面20D上の金属膜30を金属膜30Cとする。外側面20D上の金属膜30Cには、スリットSLTが設けられており、金属膜30Cは、スロットアンテナとして機能する。
このように、アンテナとして機能する金属膜30Cをフレーム20の外側面20Dに設けてもよい。これにより、半導体装置の近傍にある電子機器(図示せず)と無線通信が容易になる。
図16は、第10実施形態による半導体装置の構成例を示す概略断面図である。第10実施形態では、金属膜170、171がフレーム20の外側面20Dおよびフレーム20内に設けられている。金属膜170、171は、配線83、84または金属膜30に電気的に接続され、アンテナとして機能する。あるいは、金属膜170、171は、図11Aまたは図12Aに示す八木宇田アンテナの導波素子83Cまたは30Cとして用いてもよい。さらに、金属膜170にスリットSLTを設けて、スロットアンテナとして用いてもよい。
図17Aは、第11実施形態による半導体装置の構成例を示す概略断面図である。第11実施形態では、金属膜180がフレーム20内に内蔵され、フレーム20の外側面20Dから露出されている。金属膜180は、外側面20Dと面一でよい。金属膜180は、金属膜30と接続されている。金属膜180は、金属膜30と同一材料でよい。
次に、第3実施形態による半導体装置の製造方法について説明する。
図23~図30は、第4実施形態による半導体装置の変形例を示す該略断面図である。図23~図30は、それぞれCMOSイメージセンサモジュールでよい。破線枠で示す半導体装置1は、上記実施形態のいずれかの半導体装置でよい。
図23に示すモジュールでは、マザーボード231が金属板120および半導体チップ40に対応する領域に開口部270を有する。マザーボード231の裏面および開口部270の内部には、金属板121が設けられている。金属板121は、開口部270を介して半導体装置1に接着層122で接着されている。金属板121には、金属板120と同様に、例えば、銅等の高熱伝導性材料が用いられる。接着層122には、例えば、放熱グリース、エポキシ樹脂等が用いられる。
図24に示すモジュールでは、ネジ220が、半導体装置1を貫通することなく、金属板121、マザーボード231を貫通して筐体200に達している。これにより、金属板121、マザーボード231および筐体200が相対的に固定される。半導体装置1は、ネジ220によっては固定されていないが、接着層122あるいはランドグリッドアレイ123によって、金属板121およびマザーボード231に固定されている。これにより、金属板121、マザーボード231、半導体装置1および筐体200が一体のCMOSイメージセンサモジュールとして相対的に固定される。変形例2のその他の構成は、変形例1の対応する構成と同様でよい。従って、変形例2は、変形例1と同様の効果を得ることができる。
図25に示すモジュールでは、ネジ220が、金属板121、マザーボード231を貫通することなく、半導体装置1を貫通して筐体200に達している。これにより、半導体装置1および筐体200が相対的に固定される。金属板121およびマザーボード231は、ネジ220によっては固定されていないが、接着層122あるいはランドグリッドアレイ123によって、半導体装置1に固定されている。これにより、金属板121、マザーボード231、半導体装置1および筐体200が一体のCMOSイメージセンサモジュールとして相対的に固定される。変形例3のその他の構成は、変形例1の対応する構成と同様でよい。従って、変形例3は、変形例1と同様の効果を得ることができる。
図26に示すモジュールでは、金属板121が半導体装置1に接着層122で接着されるとともに、ネジ220で直接締結されている。これにより、金属板121、半導体装置1および筐体200が相対的に固定される。
図27に示すモジュールでは、金属板121が半導体装置1に接着層122で接着されるとともに、ネジ220で直接締結されている。これにより、金属板121、半導体装置1および筐体200が相対的に固定される。
図28に示す半導体装置1は、金属板121と配線84との間に設けられた金属層88を備えている。金属層88は、配線84に接続されている。金属層88は、所定の電位(例えば、接地電位)に固定されている。金属層88には、例えば、ニッケル、銅等の高熱伝導性の導電性材料が用いられる。金属層88は、金属板120と金属板121との間の熱伝導性を向上させることができる。金属層88は、配線84を介して金属板120と電気的に接続され、金属板120を所定の電位(例えば、接地電位)に固定させることができる。また、金属層88は、積層配線部82の機械的強度を向上させ、かつ、外部からのノイズから半導体装置1を保護する電磁シールド効果も有する。
図29は、同一の金属板120上に複数の半導体チップ40、44を搭載したマルチチップモジュールの構成例を示す概略断面図である。変形例6では、金属板120は、複数の半導体チップ40、44の共通の放熱板として機能する。従って、複数の半導体チップ40、44は、同一の開口部11内に設けられている。半導体チップ40、44は特に限定しないが、半導体チップ40は、例えば、Time-of-Flight受発光デバイス(即ち、フォトダイオードセンサ)である。半導体チップ44は、例えば、VCSEL(Vertical Cavity Surface Emitting Laser)でよい。半導体チップ40と半導体チップ44との間には、ダミー部材410が残置されていてもよい。変形例6のその他の構成は、図5に示す第3実施形態の対応する構成と同様でよい。
図30は、別々の金属板120、126上に半導体チップ40および半導体チップ44をそれぞれ搭載したマルチチップモジュールの構成例を示す概略断面図である。変形例7では、金属板120は、半導体チップ40の放熱板として機能し、金属板126は、半導体チップ44の放熱板として機能する。従って、複数の半導体チップ40、44は、別々の開口部11、12内にそれぞれ設けられている。変形例6のその他の構成は、図5に示す第3実施形態の対応する構成と同様でよい。
図31は、本技術に係る実施形態をCMOSイメージセンサとして使用した例を示す図である。
(1)
第1面、該第1面の反対側にある第2面、および、前記第1面と前記第2面との間にある第1側面を含むガラス基板と、
前記第1および第2面上に設けられた配線と、
前記第1側面を被覆する金属膜と、
前記金属膜よりも外側に設けられ、前記第1側面において前記金属膜に接着されたフレームとを備えた、半導体装置。
(2)
前記金属膜は、前記配線と同一材料で構成されている、(1)に記載の半導体装置。
(3)
前記金属膜は、前記第1および第2面側において、前記ガラス基板から前記フレームに亘って前記ガラス基板と前記フレームの両方に設けられている、(1)または(2)に記載の半導体装置。
(4)
前記フレームは、前記第1面側にある第3面、前記第2面側にある第4面、並びに、前記第3面と前記第4面との間にあり前記第1側面と対向する第2側面を含み、
前記金属膜は、前記ガラス基板と前記フレームとの境界部において、前記第1面から前記第3面に亘って設けられ、かつ、前記第2面から前記第4面に亘って設けられている、(1)から(3)のいずれか一項に記載の半導体装置。
(5)
前記第1面と前記第3面との段差および前記第2面と前記第4面との段差は、それぞれ前記金属膜の厚みより小さい、(4)に記載の半導体装置。
(6)
前記フレームは、前記第3面と前記第4面との間を貫通する孔を有する、(4)または(5)に記載の半導体装置。
(7)
前記孔の内壁に金属材料が被覆され、前記配線または前記金属膜と電気的に接続される、(6)に記載の半導体装置。
(8)
前記孔内にはネジが設けられ、該ネジが前記フレームと筐体とを締結している、(6)に記載の半導体装置。
(9)
前記金属膜は、無線通信のためのアンテナとして用いられる、(1)から(8)のいずれか一項に記載の半導体装置。
(10)
前記配線は、無線通信のためのアンテナとして用いられ、
前記金属膜は、グランドとして用いられる、(1)から(8)のいずれか一項に記載の半導体装置。
(11)
前記金属膜は、前記フレームの外側面に設けられ、無線通信のためのアンテナとして用いられる、(1)から(10)のいずれか一項に記載の半導体装置。
(12)
前記フレームの外側面に設けられた前記金属膜は、1本または複数本のスリットを有するスロットアンテナとして用いられる、(1)1に記載の半導体装置。
(13)
前記ガラス基板の前記第1面上には半導体チップが搭載されている、(1)から(12)のいずれか一項に記載の半導体装置。
(14)
前記ガラス基板は、前記第1面から前記第2面まで貫通する開口部を有し、
前記開口部内には金属板と前記金属板上に設けられた半導体チップとが設けられる、(1)から(13)のいずれか一項に記載の半導体装置。
(15)
前記金属板は放熱板であり、
前記半導体チップは、イメージセンサチップである、(14)に記載の半導体装置。
(16)
前記フレームは、前記第1面側にある第3面、前記第2面側にある第4面を含み、前記第3面と前記第4面との間を貫通する孔を有し、
前記孔内に設けられたネジが前記フレームと筐体とを締結し、
前記筐体には光学レンズが設けられており、前記イメージセンサチップへ光を集光させる、(15)に記載の半導体装置。
尚、本開示は、上述した実施形態に限定されるものではなく、本開示の要旨を逸脱しない範囲において種々の変更が可能である。また、本明細書に記載された効果はあくまで例示であって限定されるものでは無く、他の効果があってもよい。
Claims (16)
- 第1面、該第1面の反対側にある第2面、および、前記第1面と前記第2面との間にある第1側面を含むガラス基板と、
前記第1および第2面上に設けられた配線と、
前記第1側面を被覆する金属膜と、
前記金属膜よりも外側に設けられ、前記第1側面において前記金属膜に接着されたフレームとを備えた、半導体装置。 - 前記金属膜は、前記配線と同一材料で構成されている、請求項1に記載の半導体装置。
- 前記金属膜は、前記第1および第2面側において、前記ガラス基板から前記フレームに亘って前記ガラス基板と前記フレームの両方に設けられている、請求項1に記載の半導体装置。
- 前記フレームは、前記第1面側にある第3面、前記第2面側にある第4面、並びに、前記第3面と前記第4面との間にあり前記第1側面と対向する第2側面を含み、
前記金属膜は、前記ガラス基板と前記フレームとの境界部において、前記第1面から前記第3面に亘って設けられ、かつ、前記第2面から前記第4面に亘って設けられている、請求項1に記載の半導体装置。 - 前記第1面と前記第3面との段差および前記第2面と前記第4面との段差は、それぞれ前記金属膜の厚みより小さい、請求項4に記載の半導体装置。
- 前記フレームは、前記第3面と前記第4面との間を貫通する孔を有する、請求項4に記載の半導体装置。
- 前記孔の内壁に金属材料が被覆され、前記配線または前記金属膜と電気的に接続される、請求項6に記載の半導体装置。
- 前記孔内にはネジが設けられ、該ネジが前記フレームと筐体とを締結している、請求項6に記載の半導体装置。
- 前記金属膜は、無線通信のためのアンテナとして用いられる、請求項1に記載の半導体装置。
- 前記配線は、無線通信のためのアンテナとして用いられ、
前記金属膜は、グランドとして用いられる、請求項1に記載の半導体装置。 - 前記金属膜は、前記フレームの外側面に設けられ、無線通信のためのアンテナとして用いられる、請求項1に記載の半導体装置。
- 前記フレームの外側面に設けられた前記金属膜は、1本または複数本のスリットを有するスロットアンテナとして用いられる、請求項11に記載の半導体装置。
- 前記ガラス基板の前記第1面上には半導体チップが搭載されている、請求項1に記載の半導体装置。
- 前記ガラス基板は、前記第1面から前記第2面まで貫通する開口部を有し、
前記開口部内には金属板と前記金属板上に設けられた半導体チップとが設けられる、請求項1に記載の半導体装置。 - 前記金属板は放熱板であり、
前記半導体チップは、イメージセンサチップである、請求項14に記載の半導体装置。 - 前記フレームは、前記第1面側にある第3面、前記第2面側にある第4面を含み、前記第3面と前記第4面との間を貫通する孔を有し、
前記孔内に設けられたネジが前記フレームと筐体とを締結し、
前記筐体には光学レンズが設けられており、前記イメージセンサチップへ光を集光させる、請求項15に記載の半導体装置。
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| WO2023243271A1 (ja) * | 2022-06-16 | 2023-12-21 | ソニーセミコンダクタソリューションズ株式会社 | 半導体装置 |
| TWI830528B (zh) * | 2022-01-31 | 2024-01-21 | 台灣積體電路製造股份有限公司 | 封裝及其形成方法 |
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| WO2025105035A1 (ja) * | 2023-11-13 | 2025-05-22 | ソニーセミコンダクタソリューションズ株式会社 | 半導体パッケージ、半導体装置、および、半導体パッケージの製造方法 |
| US12616031B2 (en) | 2022-12-19 | 2026-04-28 | Avago Technologies International Sales Pte. Limited | Electromagnetic shielding structure |
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| TWI830528B (zh) * | 2022-01-31 | 2024-01-21 | 台灣積體電路製造股份有限公司 | 封裝及其形成方法 |
| US12228776B2 (en) | 2022-01-31 | 2025-02-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Package with integrated optical die and method forming same |
| WO2023243271A1 (ja) * | 2022-06-16 | 2023-12-21 | ソニーセミコンダクタソリューションズ株式会社 | 半導体装置 |
| EP4418315A1 (en) * | 2022-12-19 | 2024-08-21 | Avago Technologies International Sales Pte. Limited | Electromagnetic shielding structure |
| US12616031B2 (en) | 2022-12-19 | 2026-04-28 | Avago Technologies International Sales Pte. Limited | Electromagnetic shielding structure |
| WO2025105035A1 (ja) * | 2023-11-13 | 2025-05-22 | ソニーセミコンダクタソリューションズ株式会社 | 半導体パッケージ、半導体装置、および、半導体パッケージの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4131355A4 (en) | 2023-11-08 |
| US12354923B2 (en) | 2025-07-08 |
| EP4131355A1 (en) | 2023-02-08 |
| JP7585306B2 (ja) | 2024-11-18 |
| US20230135956A1 (en) | 2023-05-04 |
| JPWO2021200094A1 (ja) | 2021-10-07 |
| EP4131355B1 (en) | 2024-10-23 |
| CN115315803A (zh) | 2022-11-08 |
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