WO2021014731A1 - 半導体パッケージ - Google Patents
半導体パッケージ Download PDFInfo
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- WO2021014731A1 WO2021014731A1 PCT/JP2020/020224 JP2020020224W WO2021014731A1 WO 2021014731 A1 WO2021014731 A1 WO 2021014731A1 JP 2020020224 W JP2020020224 W JP 2020020224W WO 2021014731 A1 WO2021014731 A1 WO 2021014731A1
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- semiconductor package
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- image sensor
- state image
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/802—Geometry or disposition of elements in pixels, e.g. address-lines or gate electrodes
- H10F39/8023—Disposition of the elements in pixels, e.g. smaller elements in the centre of the imager compared to larger elements at the periphery
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/011—Manufacture or treatment of image sensors covered by group H10F39/12
- H10F39/024—Manufacture or treatment of image sensors covered by group H10F39/12 of coatings or optical elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/011—Manufacture or treatment of image sensors covered by group H10F39/12
- H10F39/026—Wafer-level processing
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- 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
- H10F39/805—Coatings
- H10F39/8053—Colour filters
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/807—Pixel isolation structures
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/809—Constructional details of image sensors of hybrid image sensors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/811—Interconnections
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/813—Electronic components shared by multiple pixels, e.g. one amplifier shared by two pixels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/011—Manufacture or treatment of image sensors covered by group H10F39/12
- H10F39/018—Manufacture or treatment of image sensors covered by group H10F39/12 of hybrid image sensors
Definitions
- This technology is related to semiconductor packages. More specifically, the present invention relates to a semiconductor package provided with a solid-state image sensor.
- a semiconductor package in which the semiconductor integrated circuit is mounted on a substrate and sealed has been used for the purpose of facilitating the handling of the semiconductor integrated circuit.
- a semiconductor package in which a solid-state image sensor is mounted as a semiconductor integrated circuit and the solid-state image sensor, the wiring layer, the logic circuit, and the support substrate are laminated in this order from the light receiving side has been proposed (for example, Patent Document 1). reference.).
- a logic circuit and a solid-state image sensor are connected via wiring in the wiring layer, and data is output from the wiring layer to an external terminal via via vias penetrating the support substrate and the logic circuit.
- the function of the semiconductor package is improved by arranging a logic circuit in addition to the solid-state image sensor.
- the via penetrates the support substrate and the logic circuit, and the process of forming the via is complicated as compared with the case where only the support substrate is penetrated. Therefore, when mass-producing semiconductor packages, the yield may decrease.
- This technology was created in view of this situation, and aims to suppress a decrease in yield in semiconductor packages that form vias.
- the present technology has been made to solve the above-mentioned problems, and the first aspect thereof is a solid-state image sensor that generates image data and signal processing that performs predetermined signal processing on the image data.
- a circuit layer in which a circuit is arranged, a support board through which an output side via having one end connected to an external terminal penetrates, and a signal processing circuit and an output side via arranged between the support board and the circuit layer.
- It is a semiconductor package including a wiring layer in which a signal line connecting to the other end of the is wired. This has the effect of improving the yield of the semiconductor package.
- a glass and a resin dam formed between the periphery of the pixel array portion and the glass in the light receiving surface of the solid-state image sensor may be further provided. This has the effect of forming a cavity.
- the glass and the transparent resin embedded between the solid-state image sensor and the glass may be further provided. This has the effect of eliminating the cavity.
- the output side via may be arranged in a region corresponding to the signal processing circuit and a region not corresponding to the signal processing circuit on the surface of the support substrate. This has the effect of preventing a shortage of external terminals.
- a ceramic substrate may be further provided, and the output side via may penetrate the support substrate and the ceramic substrate. This has the effect of improving the yield of the ceramic package.
- an embedded element is further arranged in the circuit layer, and the solid-state image sensor and the circuit layer have an opening penetrating from the light receiving surface of the solid-state image sensor to the embedded element. It may be formed. This has the effect of improving the function of the semiconductor package.
- the second aspect of the present technology is a solid-state image sensor that generates image data and inputs it to one end of the input side via, a signal processing circuit that performs predetermined signal processing on the image data, and the input side via.
- a ceramic substrate may be further provided through which an output side via having one end connected to an external terminal penetrates. This has the effect of improving the yield of the ceramic package.
- the ceramic substrate and the wiring layer may be connected by a wire. This has the effect of improving the yield of the wire-bonded semiconductor package.
- the ceramic substrate and the wiring layer may be connected by bumps. This has the effect of improving the yield of the semiconductor package to which the flip chip connection is made.
- a spacer resin formed between the glass, the periphery of the pixel array portion of the solid-state image sensor, and the glass, and an interposer are further provided, and the interposer and the wiring layer are provided with each other. It may be connected by a wire. This has the effect of improving the yield of the wire-bonded semiconductor package.
- a rewiring layer in which a signal line connecting the bonding bump and the external terminal is wired may be further provided, and the wiring layer may be connected to the rewiring layer by the bump. .. This has the effect of improving the yield of the semiconductor package to which the flip chip connection is made.
- the frame and the interposer adhered to the frame may be further provided, and the interposer and the wiring layer may be connected by a wire. This has the effect of improving the yield of the wire-bonded semiconductor package.
- an embedded element is further arranged in the circuit layer, and the solid-state image sensor and the circuit layer have an opening penetrating from the light receiving surface of the solid-state image sensor to the embedded element. It may be formed. This has the effect of improving the function of the semiconductor package.
- a substrate with a frame having a frame formed on the outer periphery thereof may be further provided, and the wiring layer and the substrate with a frame may be connected by wires. This has the effect of improving the yield of the wire-bonded semiconductor package.
- a ceramic substrate may be further provided, and the ceramic substrate and the wiring layer may be connected by a wire. This has the effect of improving the yield of the wire-bonded ceramic package.
- an additional circuit provided on the surface of the wiring layer on the light receiving side may be further provided. This has the effect of improving the function of the semiconductor package.
- the additional circuit may be embedded in the sealing resin. This has the effect of improving the reliability of the semiconductor package.
- a transparent resin that protects the light receiving surface of the solid-state image sensor may be further provided. This has the effect of reducing the thickness of the semiconductor package.
- a glass connected to the sealing resin via a rib may be further provided. This has the effect of protecting the light receiving surface of the solid-state image sensor.
- FIG. 1 is a block diagram showing a configuration example of an electronic device according to a first embodiment of the present technology.
- the electronic device 100 is a device for capturing image data, and includes an optical unit 110, a solid-state image sensor 220, and a DSP (Digital Signal Processing) circuit 120. Further, the electronic device 100 includes a display unit 130, an operation unit 140, a bus 150, a frame memory 160, a storage unit 170, and a power supply unit 180.
- a digital camera such as a digital still camera, a smartphone, a personal computer, an in-vehicle camera, or the like is assumed.
- the optical unit 110 collects the light from the subject and guides it to the solid-state image sensor 220.
- the solid-state image sensor 220 generates image data by photoelectrically converting incident light in synchronization with a vertical synchronization signal.
- the vertical synchronization signal is a periodic signal having a predetermined frequency indicating the timing of imaging.
- the solid-state image sensor 220 supplies the generated image data to the DSP circuit 120.
- the DSP circuit 120 executes predetermined signal processing on the image data from the solid-state image sensor 220.
- the DSP circuit 120 outputs the processed image data to the frame memory 160 or the like via the bus 150.
- the display unit 130 displays image data.
- a liquid crystal panel or an organic EL (Electro Luminescence) panel is assumed.
- the operation unit 140 generates an operation signal according to the operation of the user.
- the bus 150 is a common route for the optical unit 110, the solid-state image sensor 220, the DSP circuit 120, the display unit 130, the operation unit 140, the frame memory 160, the storage unit 170, and the power supply unit 180 to exchange data with each other.
- the frame memory 160 holds image data.
- the storage unit 170 stores various data such as image data.
- the power supply unit 180 supplies power to the solid-state image sensor 220, the DSP circuit 120, the display unit 130, and the like.
- the solid-state image sensor 220 and the DSP circuit 120 are mounted in a semiconductor package.
- FIG. 2 is a cross-sectional view showing a configuration example of the semiconductor package 200 according to the first embodiment of the present technology.
- the semiconductor package 200 is provided with a glass 210, a solid-state image sensor 220, a circuit layer 230, a wiring layer 240, and a support substrate 250 in this order from the top when the light receiving side is on the upper side.
- the glass 210 protects the solid-state image sensor 220.
- the incident light from the optical unit 110 is incident on the light receiving surface of the glass 210.
- the arrows in the figure indicate the incident direction of the incident light.
- the optical axis of the incident light is referred to as "Z axis”.
- a predetermined direction perpendicular to the Z axis is referred to as an "X axis”
- a direction perpendicular to the X axis and the Z axis is referred to as a "Y axis”.
- the figure is a cross-sectional view seen from the Y-axis direction.
- the solid-state image sensor 220 generates image data by photoelectric conversion.
- a resin dam 261 is formed of a photosensitive resin or the like between the periphery of the pixel array portion in which the pixels are arranged and the glass 210 on the light receiving surface of the solid-state image sensor 220.
- the resin dam 261 forms a cavity 262, which is a space surrounded by the resin dam 261, the light receiving surface of the solid-state image sensor 220, and the glass 210.
- the circuit layer 230 is arranged between the solid-state image sensor 220 and the wiring layer 240, and a plurality of input side vias such as input side vias 231 and 234, a logic circuit 232, and a memory 233 are embedded in an insulating film. It is a layer.
- the input side vias 231 and 234 are TSVs (Through Silicon Vias) extending along the Z axis and penetrating the circuit layer 230 through which circuits such as logic circuits 232 and memory 233 are not arranged. Further, one end of the input side vias 231 and 234 is connected to the solid-state image sensor 220.
- the logic circuit 232 performs predetermined processing on the image data.
- the DSP circuit 120 is arranged as the logic circuit 232.
- the memory 233 temporarily holds the image data.
- the logic circuit 232 is an example of the signal processing circuit described in the claims.
- the wiring layer 240 is arranged between the support substrate 250 and the circuit layer 230.
- a predetermined number of signal lines 242 are wired in the wiring layer 240.
- pads 241 and 243 are arranged on the wiring layer 240.
- These signal lines 242 include a signal line that connects the other end of the input side via 231 and the like to the logic circuit 232, and a signal line that connects the logic circuit 232 and the memory 233. Further, these signal lines 242 include signal lines connecting the logic circuit 232 and the pads 241 and 243.
- the support substrate 250 is a substrate through which a plurality of output side vias such as output side vias 251 and 254 penetrate.
- the output-side vias 251 and 254 extend in the Z direction on the support substrate 250 and penetrate the portions corresponding to the pads 241 and 243 (that is, the portions corresponding to the periphery of the logic circuit 232 and the like).
- a predetermined number of external terminals 253 are provided on the lower surface of the support substrate 250 with the light receiving side on the upper side. For example, a solder ball is used as the external terminal 253.
- the rewiring 252 is wired to the support board 250, and one end of the output side vias 251 and 254 is connected to the external terminal 253 via the rewiring 252.
- the other ends of the output-side vias 251 and 253 are connected to the signal line 242 in the wiring layer 240 via the pads 241 and 243.
- FIG. 3 is a cross-sectional view schematically showing the configuration of the semiconductor package 200 according to the first embodiment of the present technology.
- the resin dam 261 and the signal line 242 and the rewiring 252 are omitted.
- the glass 210, the solid-state image sensor 220, the circuit layer 230, the wiring layer 240, and the support substrate 250 are provided in this order from the top.
- the solid-state image sensor 220 generates image data by photoelectric conversion and inputs it to one end of the input side vias 231 and 234.
- the logic circuit 232 receives the image data via the input side via 231 and the signal line in the wiring layer 240, and performs signal processing on the image data. In this signal processing, the logic circuit 232 accesses the memory 233 via the wiring layer 240 to write or read image data. Further, the logic circuit 232 outputs the processed data to the external terminal 253 via the wiring layer 240, the output side via 251 and the like.
- a semiconductor package in which a glass 210, a solid-state image sensor 220, a wiring layer 240, a circuit layer 230, and a support substrate 250 are arranged in order from the top is assumed.
- FIG. 4 is a cross-sectional view showing a configuration example of a semiconductor package in a comparative example.
- FIG. 5 is a cross-sectional view schematically showing the configuration of the semiconductor package in the comparative example.
- the wiring layer 240 is arranged between the solid-state image sensor 220 and the circuit layer 230.
- the wiring layer 240 is manufactured by using the wiring in the solid-state image sensor 220. Further, a signal line or the like connecting the logic circuit 232 and the memory 233 is wired in the wiring layer 240. Therefore, it is necessary to design the wiring in the solid-state image sensor 220 according to the logic circuit 232 and the memory 233 to be mounted, which may reduce the degree of freedom in the wiring design of the solid-state image sensor 220.
- the circuit layer 230 is arranged between the solid-state image sensor 220 and the wiring layer 240. This eliminates the need to change the wiring of the solid-state image sensor 220 according to the logic circuit 232 and the memory 233 to be mounted, and can improve the degree of freedom in wiring design.
- a via is formed that penetrates the support board 250 and the logic circuit 232 and the memory 233.
- pads for penetrating vias in the logic circuit 232 and the memory 233 and the area of the logic circuit 232 and the like must be increased accordingly.
- the logic circuit 232 or the like is a product procured from the outside, there is a possibility that the pad cannot be provided.
- the process of forming the via becomes complicated, and the yield may decrease when the semiconductor package 200 is mass-produced.
- the via penetrates the logic circuit 232 or the like, the characteristics of the logic circuit 232 or the like fluctuate, and the yield may decrease due to the characteristic fluctuation.
- an output side via 251 or the like that penetrates only the support substrate 250 is formed.
- a pad for penetrating the via in the logic circuit 232 or the memory 233 it is not necessary to arrange a pad for penetrating the via in the logic circuit 232 or the memory 233, and the area of the logic circuit 232 or the like can be reduced accordingly.
- the process of forming the output side via 251 and the like is simplified, so that the yield can be improved.
- the output side via 251 and the like do not penetrate the logic circuit 232 and the like, the characteristics of the logic circuit 232 and the like do not fluctuate, and a decrease in yield due to the characteristic fluctuation can be suppressed.
- FIG. 6 is a diagram for explaining up to a step of thinning the logic circuit 232 and the like in the first embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of forming the wiring layer 240.
- Reference numeral b in the figure is a diagram for explaining a process of connecting the logic circuit 232 and the like.
- FIG. C in the figure is a diagram for explaining the process of thinning the logic circuit 232 and the like.
- the manufacturing system of the semiconductor package 200 first forms a wiring layer 240 for each chip region on a wafer-shaped support substrate 250 divided into a plurality of chip regions. Then, as illustrated in b in the figure, the manufacturing system connects the logic circuit 232 and the memory 233 to the wiring layer 240 by Cu-Cu bonding or the like. This process is called C2W (Chip to Wafer) connection. Subsequently, as illustrated in c in the figure, the manufacturing system thins the logic circuit 232 and the memory 233 as necessary.
- FIG. 7 is a diagram for explaining up to the process of forming the input side via 231 and the like in the first embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of embedding the logic circuit 232 and the like in the insulating film.
- FIG. B in the figure is a diagram for explaining a process of flattening the circuit layer.
- FIG. C in the figure is a diagram illustrating a process of forming the input side via 231 and the like.
- the manufacturing system forms the circuit layer 230 by embedding a logic circuit 232 or the like with an insulating film. Then, the manufacturing system flattens the circuit layer 230 as illustrated in b in the figure. Subsequently, the manufacturing system forms input-side vias 231 and 234 that penetrate the region of the circuit layer 230 in which the logic circuit 232 and the like are not arranged, as illustrated in c in the figure.
- FIG. 8 is a diagram for explaining the steps of forming the output side via 251, the rewiring 252, and the external terminal 253 in the first embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of connecting the solid-state image sensor 220.
- FIG. B in the figure is a diagram for explaining a process of forming a color filter and an on-chip lens.
- FIG. C in the figure is a diagram for explaining up to the process of forming the output side via 251 and the rewiring 252 and the external terminal 253.
- a wafer provided with a plurality of solid-state image pickup elements 220 is prepared and connected to the input side via 231 or the like of the wafer-shaped support substrate 250 by Cu-Cu bonding or the like. .. This process is called WoW (Wafer on Wafer) connection.
- the manufacturing system forms a plurality of pixels 221 on the solid-state image sensor 220, and forms a color filter (not shown) and an on-chip lens 222 for each pixel 221. ..
- the manufacturing system forms the output side vias 251 and 254, the rewiring 252, and the external terminal 253 on the support substrate 250, as illustrated in c in the figure.
- the manufacturing system forms a resin dam 261 and seals the solid-state image sensor 220 with glass 210. Then, the manufacturing system is individualized in units of chip regions by dicing.
- the semiconductor package 200 manufactured at the wafer level is called a WLCSP (Wafer Level Chip Size Package).
- WLCSP Wafer Level Chip Size Package
- FIG. 9 is a flowchart showing an example of a manufacturing method of the semiconductor package 200 according to the first embodiment of the present technology.
- a wiring layer 240 is formed on the support substrate 250 (step S901), and a logic circuit 232 and a memory 233 are connected to the wiring layer 240 by Cu-Cu bonding or the like (step S902). Then, the manufacturing system thins the logic circuit 232 and the memory 233 (step S903), embeds the logic circuit 232 and the like with an insulating film, and forms the circuit layer 230 (step S904). Subsequently, the manufacturing system flattens the circuit layer 230 (step S905) to form input-side vias 231 and 234 (step S906).
- the manufacturing system connects the solid-state image sensor 220 by Cu-Cu bonding or the like (step S907).
- the manufacturing system forms a plurality of pixels 221 on the solid-state image sensor 220, and forms a color filter and an on-chip lens 222 for each pixel 221 (step S908).
- the manufacturing system forms the output side vias 251 and 254, the rewiring 252, and the external terminal 253 on the support substrate 250, and seals the solid-state image sensor 220 with the glass 210 (step S909).
- the manufacturing system performs dicing, inspection, and the like to end the production of the semiconductor package 200.
- the output side via 251 and the like penetrate only the support substrate 250, it is simpler than the case where the support substrate 250 and the logic circuit 232 are penetrated. Vias can be formed by various processes. As a result, the yield of the semiconductor package 200 can be improved as compared with the case where the support substrate 250 and the logic circuit 232 are passed through.
- the cavity 262 is provided in the semiconductor package 200 by the resin dam 261.
- a part of the wall surface of the resin dam 261 may be peeled off and fall onto the image plane of the solid-state image sensor 220.
- the semiconductor package 200 of the first modification of the first embodiment is different from the first embodiment in that the cavity 262 is eliminated by filling with a transparent resin.
- FIG. 10 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the first modification of the first embodiment of the present technology.
- the semiconductor package 200 of the first modification of the first embodiment is different from the first embodiment in that a transparent resin 263 is formed instead of the resin dam 261.
- the transparent resin 263 is embedded between the glass 210 and the solid-state image sensor 220. As a result, the cavity 262 can be eliminated and the wall surface of the resin dam 261 can be prevented from peeling off.
- the transparent resin 263 is embedded between the glass 210 and the solid-state image sensor 220, the cavity 262 is eliminated and the resin dam 261 is eliminated. It is possible to prevent peeling of the wall surface.
- the output side vias 251 and the like are arranged in the portions corresponding to the periphery of the logic circuit 232 and the like, but in this configuration, the number of external terminals 253 may be insufficient.
- the semiconductor package 200 of the second modification of the first embodiment is different from the first embodiment in that the output side via is also arranged directly under the logic circuit 232 and the like.
- FIG. 11 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the second modification of the first embodiment of the present technology.
- the semiconductor package 200 of the second modification of the first embodiment in the support substrate 250, in addition to the area not corresponding to the logic circuit 232 and the memory 233, a predetermined number of output side vias 255 are provided in the corresponding area. It differs from the first embodiment in that it is arranged. In other words, the output side via 255 is also arranged directly below the logic circuit 232 and the like on the support board 250. As a result, the number of vias on the output side can be increased, and a shortage of the external terminals 253 can be prevented.
- the output side via 255 is also formed in the area corresponding to the logic circuit 232 and the memory 233, so that the number of output side vias is increased. However, it is possible to prevent a shortage of the external terminals 253.
- the cavity 262 is provided in the semiconductor package 200 by the resin dam 261.
- a part of the wall surface of the resin dam 261 is peeled off, and the solid-state image sensor 220 It may fall on the image surface.
- the semiconductor package 200 of the third modification of the first embodiment is different from the second modification of the first embodiment in that the cavity 262 is eliminated by filling the semiconductor package 200 with a transparent resin.
- FIG. 12 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the third modification of the first embodiment of the present technology.
- the semiconductor package 200 of the third modification of the first embodiment is different from the second modification of the first embodiment in that a transparent resin 263 is formed instead of the resin dam 261.
- a transparent resin 263 is formed instead of the resin dam 261.
- the transparent resin 263 is embedded between the glass 210 and the solid-state image sensor 220, the cavity 262 is eliminated and the resin dam 261 is eliminated. It is possible to prevent peeling of the wall surface.
- Second Embodiment> In the above-described first embodiment, the yield of the semiconductor package 200 manufactured at the wafer level has been improved, but the yield of the ceramic package mounted on the ceramic substrate can also be improved.
- the semiconductor package 200 of the second embodiment is different from the first embodiment in that it is a ceramic package.
- FIG. 13 is a cross-sectional view showing a configuration example of the semiconductor package 200 according to the second embodiment of the present technology.
- the semiconductor package 200 of the second embodiment is provided with a glass 210, a sensor chip 310, and a ceramic substrate 320.
- the sensor chip 310 is a chip in which a solid-state image sensor 220, a circuit layer 230, a wiring layer 240, and a support substrate 250 are laminated in this order from the top when the light receiving side is on the upper side.
- the structure of each layer is the same as that of the first embodiment.
- the output side via 255 of the second embodiment is different from the first embodiment in that it penetrates both the support substrate 250 and the ceramic substrate 320.
- a space is provided in the ceramic substrate 320, and the sensor chip 310 is provided in the space. Further, the space is sealed by the glass 210.
- FIG. 14 is a cross-sectional view schematically showing the configuration of the sensor chip 310 according to the second embodiment of the present technology. As illustrated in the figure, the logic circuit 232 outputs data to the outside via the output side via 255 penetrating the support substrate 250 and the ceramic substrate 320.
- the yield of the ceramic package can be improved.
- the sensor chip 310 is connected to the ceramic substrate 320 by the output side via 255, but it can also be connected by a wire.
- the semiconductor package 200 of the first modification of the second embodiment is different from the second embodiment in that the sensor chip 310 is connected to the ceramic substrate 320 by a wire.
- FIG. 15 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the first modification of the second embodiment of the present technology.
- the semiconductor package 200 of the first modification of the second embodiment is different from the second embodiment in that it is connected to the ceramic substrate 320 by the wire 331.
- the ceramic substrate 320 is provided with an output side via 321, a rewiring 322, and an external terminal 253.
- the output side via 321 penetrates the ceramic substrate 320, and one end of the output side via 321 is connected to the wire 331.
- the external terminal 253 is connected to the output side via 321 and the rewiring 322.
- FIG. 16 is a cross-sectional view schematically showing the configuration of the sensor chip 310 in the second embodiment of the present technology.
- the output side via 255 is not formed on the support substrate 250. Therefore, the via does not penetrate the logic circuit 232 or the like, and the characteristics of the logic circuit 232 or the like do not fluctuate due to the penetration of the via. Therefore, it is possible to suppress a decrease in yield due to the fluctuation of the characteristics.
- the areas of the wiring layer 240 and the support substrate 250 when viewed from the Z-axis direction are smaller than those of the solid-state image sensor 220 and the circuit layer 230. Therefore, a space is generated around the region corresponding to the solid-state image sensor 220 on the upper surface of the wiring layer 240 with the light receiving side as the upper side. A predetermined number of pads such as pads 244 and 245 are provided in this space. These pads are connected to the wire 331.
- the logic circuit 232 outputs data to the ceramic substrate 320 via the wire 331.
- FIG. 17 is a cross-sectional view of the semiconductor package 200 and the optical unit 110 in the first modification of the second embodiment of the present technology.
- the glass 210 of the semiconductor package 200 is attached to the optical unit 110 including the lens and the lens holder.
- the semiconductor package 200 other than the first modification of the second embodiment is also attached as illustrated in the figure.
- a via is provided in the logic circuit 232 or the like. There is no need to penetrate. As a result, the characteristics of the logic circuit 232 and the like do not fluctuate due to the penetration of the via, and the decrease in yield due to the characteristic fluctuation can be suppressed.
- the sensor chip 310 is arranged in the ceramic substrate 320 and sealed with the glass 210, but the glass 210 is directly attached to the sensor chip 310 via the resin without providing the ceramic substrate. It can also be installed.
- a semiconductor package is called a GoC (Glass on Chip) package.
- the semiconductor package 200 of the second modification of the second embodiment is different from the second embodiment in that it is a GoC package.
- FIG. 18 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the second modification of the second embodiment of the present technology.
- the semiconductor package 200 of the second modification of the second embodiment is different from the second embodiment in that an interposer 345 is provided instead of the ceramic substrate 320.
- the configuration of the sensor chip 310 of the second modification of the second embodiment is the same as that of the second embodiment and the first modification.
- the lower surface of the sensor chip 310 is adhered to the interposer 345 by the adhesive 344 with the light receiving side on the upper side. Further, the sensor chip 310 is connected to the interposer 345 by a wire 331.
- an external terminal 253 is formed on the lower surface of the interposer 345. Vias and rewiring are formed in the interposer 345 to connect the wire 331 and the external terminal 253.
- an organic substrate is used as the interposer 345.
- the potting resin 342 is embedded around the sensor chip 310 when viewed from the Z direction.
- a mold resin 341 having a flat upper portion is formed on the upper portion of the potting resin 342.
- a spacer resin 343 is formed between the periphery of the pixel array portion and the glass 210 on the upper surface of the sensor chip 310.
- a semiconductor package having a structure in which a glass 210 is placed on a chip (sensor chip 310) is called a GoC package.
- FIG. 19 is a diagram for explaining up to the process of mounting the glass in the second modification of the second embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a configuration in which the sensor chip 310 is placed.
- Reference numeral b in the figure is a diagram for explaining a wire bonding process.
- FIG. C in the figure is a diagram for explaining a process of forming the spacer-resin 343.
- Reference numeral d in the figure is a diagram for explaining a process of placing the glass 210.
- the sensor chip 310 is placed on the upper surface of the wafer-shaped interposer 345 and adhered. Then, as illustrated in b in the figure, the manufacturing system connects the sensor chip 310 to the interposer 345 by the wire 331. Subsequently, as illustrated in c in the figure, the manufacturing system forms a spacer-resin 343 around the pixel array portion, and as illustrated in d in the figure, the glass 210 is placed on the spacer-resin 343. Place and fix.
- FIG. 20 is a diagram for explaining up to the step of forming the external terminal 253 in the second modification of the second embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of forming the potting resin 342.
- FIG. B in the figure is a diagram for explaining a process of forming the mold resin 341.
- FIG. C in the figure is a diagram for explaining a process of forming the external terminal 253.
- the manufacturing system forms a potting resin 342 around the sensor chip 310 and embeds the wire 331. Then, as illustrated in b in the figure, the manufacturing system forms a mold resin 341 on the upper portion of the potting resin 342 and prepares it flat. Subsequently, as illustrated in c in the figure, the manufacturing system provides a predetermined number of external terminals 253 (solder balls, etc.) on the lower surface of the interposer 345. Next, the manufacturing system is individualized into a plurality of packages by dicing.
- the sensor chip 310 is connected to the interposer 345 by the wire 331, it is not necessary to penetrate the via through the logic circuit 232 or the like. As a result, the characteristics of the logic circuit 232 and the like do not fluctuate due to the penetration of the via, and the decrease in yield due to the characteristic fluctuation can be suppressed.
- the sensor chip 310 is connected to the ceramic substrate 320 by the output side via 255, but a flip chip can also be connected.
- the semiconductor package 200 of the third modification of the second embodiment is different from the second embodiment in that the sensor chip 310 is connected to the rewiring layer by bumps.
- FIG. 21 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the third modification of the second embodiment of the present technology.
- the semiconductor package 200 of the third modification of the second embodiment is different from the second embodiment in that a rewiring layer 354 is provided instead of the ceramic substrate 320.
- the configuration of the sensor chip 310 of the third modification of the second embodiment is the same as that of the first modification of the second embodiment.
- the sensor chip 310 is provided with bumps 353 instead of pads 244 and the like.
- the rewiring layer 354 is formed in the lower surface of the glass 210 other than the region corresponding to the pixel array portion.
- the rewiring layer 354 is provided with a rewiring 351 and a seal ring 352 and an external terminal 253 (solder ball or the like).
- the sensor chip 310 is connected to the rewiring layer 354 by the bump 353 (that is, a flip chip connection).
- the connection point of the bump 353 is sealed by the seal ring 352.
- FIG. 22 is a top view and a bottom view of the semiconductor package 200 in the third modification of the second embodiment of the present technology.
- a is a top view of the semiconductor package 200.
- b is a bottom view of the semiconductor package 200.
- the rewiring 351 can be visually recognized through the glass 210.
- external terminals 253 are arranged along the outer circumference on the lower surface of the semiconductor package 200.
- the packages having the configurations illustrated in FIGS. 21 and 22 are called FOCSP (Fan-Out Chip Size / Scale Package).
- the sensor chip 310 is flip-chip connected to the rewiring layer 354, it is not necessary to penetrate the via through the logic circuit 232 or the like. As a result, the characteristics of the logic circuit 232 and the like do not fluctuate due to the penetration of the via, and the decrease in yield due to the characteristic fluctuation can be suppressed.
- the sensor chip 310 is connected to the ceramic substrate 320, but it can also be bonded to an interposer with a frame.
- the semiconductor package 200 of the fourth modification of the second embodiment is different from the second embodiment in that the sensor chip 310 is adhered to the interposer with a frame.
- FIG. 23 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the fourth modification of the second embodiment of the present technology.
- the semiconductor package 200 of the fourth modification of the second embodiment is different from the second embodiment in that a frame 362 and a ceramic interposer 364 are provided instead of the ceramic substrate 320. Further, the configuration of the sensor chip 310 of the fourth modification of the second embodiment is the same as that of the first modification of the second embodiment.
- the lower surface of the sensor chip 310 is adhered to the ceramic interposer 364 with an adhesive 344 with the light receiving side on the upper side. Further, the sensor chip 310 is connected to the ceramic interposer 364 by a wire 331.
- an external terminal 365 such as a land is formed on the lower surface of the ceramic interposer 364. Vias and rewiring are formed in the ceramic interposer 364 to connect the wire 331 and the external terminal 365.
- the periphery of the sensor chip 310 is connected to the frame 362 by the sealant 363.
- the frame 362 is a member having a mortar-shaped inner wall and having a reference plane perpendicular to the Z axis formed on the outer wall. The thick wavy line in the figure indicates the reference plane. This reference plane is attached to a camera module or the like. Further, the upper surface of the frame 362 is connected to the glass 210 by the sealing agent 361.
- the sensor chip 310 is connected to the ceramic interposer 364 by the wire 331, it is not necessary to penetrate the via through the logic circuit 232 or the like. As a result, the characteristics of the logic circuit 232 and the like do not fluctuate due to the penetration of the via, and the decrease in yield due to the characteristic fluctuation can be suppressed.
- solder ball is provided as the external terminal 253, but a pad may be provided instead of the solder ball.
- the semiconductor package 200 of the fifth modification of the second embodiment is different from the second embodiment in that the pad is provided as an external terminal.
- FIG. 24 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the fifth modification of the second embodiment of the present technology.
- the semiconductor package 200 of the fifth modification of the second embodiment is different from the second embodiment in that a pad is provided as an external terminal 371 instead of the external terminal 253 (solder ball).
- the sensor chip 310 is connected to the ceramic substrate 320 by the output side via 255, but a flip chip can also be connected.
- the semiconductor package 200 of the sixth modification of the second embodiment is different from the second embodiment in that the sensor chip 310 is flip-chip connected to the ceramic substrate 320.
- FIG. 25 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the sixth modification of the second embodiment of the present technology.
- the semiconductor package 200 of the sixth modification of the second embodiment is different from the second embodiment in that the sensor chip 310 is connected to the ceramic substrate 320 by the bump 381. Further, the configuration of the sensor chip 310 of the sixth modification of the second embodiment is the same as that of the first modification of the second embodiment.
- the ceramic substrate 320 covers the periphery of the pixel array portion and the side surface of the sensor chip 310 on the upper surface of the sensor chip 310.
- the lower wiring layer 240 of the logic circuit 232 or the like is connected to the ceramic substrate 320 by the bump 381, so that the logic circuit 232 or the like is connected. There is no need to penetrate the via. As a result, the characteristics of the logic circuit 232 and the like do not fluctuate due to the penetration of the via, and the decrease in yield due to the characteristic fluctuation can be suppressed.
- the logic circuit 232 and the memory 233 are provided in the lower part of the solid-state image sensor 220, but in order to realize the function of measuring the distance by the ToF (Time of Flight) method, the light emitting element Is required.
- the semiconductor package 200 of the third embodiment is different from the first embodiment in that a light emitting element is provided.
- FIG. 26 is a cross-sectional view showing a configuration example of the semiconductor package 200 according to the third embodiment of the present technology.
- the semiconductor package 200 of the third embodiment is different from the first embodiment in that a light emitting element 411 is further provided.
- the light emitting element 411 emits light such as infrared light.
- the light emitting element 411 for example, an LED (Light Emitting Diode) or a laser diode is used.
- the light emitting element 411 is provided in the circuit layer 230.
- an opening 410 is formed in the solid-state image sensor 220 and the circuit layer 230 so as to penetrate from the upper surface (that is, the light-receiving surface) of the solid-state image sensor 220 to the light-emitting element 411 along the Z direction with the light-receiving side as the upper side. ..
- the light emitting element 411 can irradiate light through the opening 410.
- the arrows in the figure indicate the irradiation direction of the light from the light emitting element 411.
- the number of extraction terminals from the sensor chip can be reduced by embedding the light emitting element 411 in the circuit layer 230. This contributes to the reduction of the size of the ToF module using the semiconductor package 200 and the cost reduction when the interposer is provided. Further, by embedding the light emitting element 411 in the circuit layer 230, the distance between the light receiving element (solid-state imaging element 220) and the light emitting element 411 can be shortened in the X-axis direction and the Y-axis direction. Thereby, the distance measurement accuracy can be improved.
- the light emitting element 411 is embedded, an element other than the light emitting element 411 can also be embedded.
- temperature sensors, humidity sensors and barometric pressure sensors can be embedded.
- a circuit inside the semiconductor package (logic circuit 232 or the like) or an external circuit can detect the presence or absence of an abnormality in the semiconductor package 200 and feed it back to drive the sensor.
- the light emitting element 411 is an example of the embedded element described in the claims.
- FIG. 27 is a cross-sectional view schematically showing the configuration of the semiconductor package 200 according to the third embodiment of the present technology.
- the logic circuit 232 controls the light emitting element 411 to irradiate the object with the irradiation light. Then, the solid-state image sensor 220 receives the reflected light with respect to the irradiation light, and the logic circuit 232 measures the distance to the object by the ToF method. The logic circuit 232 outputs the measurement data to the outside via the external terminal 253. Instead of the logic circuit 232, a control circuit outside the semiconductor package 200 can control the light emitting operation of the light emitting element 411.
- FIG. 28 is a diagram for explaining up to a step of thinning the logic circuit 232 and the like in the third embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of forming the solid-state image sensor 220.
- Reference numeral b in the figure is a diagram for explaining a process of connecting the logic circuit 232 and the like.
- FIG. C in the figure is a diagram for explaining the process of thinning the logic circuit 232 and the like.
- the manufacturing system forms a solid-state image sensor 220 for each chip region on a wafer divided into a plurality of chip regions. Then, as illustrated in b in the figure, the manufacturing system connects the logic circuit 232, the memory 233, and the light emitting element 411 to the solid-state image sensor 220 by Cu-Cu bonding or the like. Subsequently, as illustrated in c in the figure, the manufacturing system makes the logic circuit 232 and the like thinner as necessary.
- FIG. 29 is a diagram for explaining up to the process of connecting the support substrate 250 in the third embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of embedding the logic circuit 232 and the like in the insulating film.
- FIG. B in the figure is a diagram for explaining a process of flattening the circuit layer 230.
- FIG. C in the figure is a diagram for explaining a process of connecting the support substrate 250.
- the manufacturing system forms the circuit layer 230 by embedding a logic circuit 232 or the like with an insulating film. Then, the manufacturing system flattens the circuit layer 230 as illustrated in b in the figure. Subsequently, as illustrated in c in the figure, the manufacturing system connects the circuit layer 230 to the wafer-shaped support substrate 250 by Cu-Cu bonding or the like with the circuit layer 230 on the lower side.
- FIG. 30 is a diagram for explaining a process of forming the opening 410 in the third embodiment of the present technology.
- the manufacturing system forms an opening 410 that penetrates to the light emitting element 411.
- the manufacturing system forms a plurality of pixels 221 on the solid-state image sensor 220, and forms a color filter (not shown) and an on-chip lens 222 for each pixel 221.
- the manufacturing system forms the output side vias 251 and 254, the rewiring 252, and the external terminal 253 on the support substrate 250. Further, the manufacturing system forms a resin dam 261, seals the solid-state image sensor 220 with glass 210, and performs dicing.
- the light emitting element 411 is embedded in the circuit layer 230 in the semiconductor module 200, it is compared with the case where the light emitting element 411 is arranged outside the semiconductor module 200.
- the size of the ToF module can be reduced.
- the sensor chip 310 is connected to the support substrate 250 by the output side via 255, but it can also be connected to the substrate with a frame by a wire.
- the semiconductor package 200 of the first modification of the third embodiment is different from the third embodiment in that the sensor chip 310 is connected to the framed substrate by a wire.
- FIG. 31 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the first modification of the third embodiment of the present technology.
- the semiconductor package 200 of the first modification of the third embodiment is different from the third embodiment in that a substrate with a frame 421 is further provided.
- the framed substrate 421 is a substrate having a frame formed on the outer circumference.
- a sensor chip 310 is provided on the bottom surface of the framed substrate 421. Further, the glass 210 is connected to the frame portion of the framed substrate 421.
- the sensor chip 310 is a chip in which a solid-state image sensor 220, a circuit layer 230, a wiring layer 240, and a support substrate 250 are laminated in this order from the top when the light receiving side is on the upper side.
- the structure of each layer is the same as that of the first embodiment. However, the sensor chip 310 is connected to the framed substrate 421 by the wire 331.
- FIG. 32 is a cross-sectional view schematically showing the configuration of the sensor chip 310 in the first modification of the third embodiment of the present technology.
- the output side via 255 is not formed on the support substrate 250. Therefore, the via does not penetrate the logic circuit 232 or the like, and the characteristics of the logic circuit 232 or the like do not fluctuate due to the penetration of the via. Therefore, it is possible to suppress a decrease in yield due to the fluctuation of the characteristics.
- the sensor chip 310 is wire-bonded to the framed substrate 421, it is not necessary to penetrate the via through the logic circuit 232 or the like. As a result, the characteristics of the logic circuit 232 and the like do not fluctuate due to the penetration of the via, and the decrease in yield due to the characteristic fluctuation can be suppressed.
- the light emitting element 411 is provided in the semiconductor package 200 manufactured at the wafer level, but the light emitting element 411 can also be provided in the ceramic package mounted on the ceramic substrate.
- the semiconductor package 200 of the second modification of the third embodiment is different from the third embodiment in that it is a ceramic package.
- FIG. 33 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the second modification of the third embodiment of the present technology.
- the semiconductor package 200 of the second modification of the third embodiment is different from the third embodiment in that a ceramic substrate 431 is further provided.
- a space is provided in the ceramic substrate 431, and the sensor chip 310 is provided in the space. Further, the space is sealed by the glass 210.
- the configuration of the sensor chip 310 of the second modification of the third embodiment is the same as that of the first modification of the third embodiment.
- the wiring layer 240 in the sensor chip 310 is connected to the ceramic substrate 431 by the wire 331, as in the first modification of the third embodiment.
- the light emitting element 411 is provided in the sensor chip 310 in the ceramic substrate 431, the size of the ToF module using the ceramic package is reduced. can do.
- the circuit layer 230 is arranged between the solid-state image sensor 220 and the wiring layer 240, but the wiring layer 240 is arranged between the solid-state image sensor 220 and the circuit layer 230. You can also do it.
- the semiconductor package 200 of the third modification of the third embodiment is different from the third embodiment in that the wiring layer 240 is arranged between the solid-state image sensor 220 and the circuit layer 230.
- FIG. 34 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the third modification of the third embodiment of the present technology.
- the semiconductor package 200 of the third modification of the third embodiment is different from the third embodiment in that the wiring layer 240 is arranged between the solid-state image sensor 220 and the circuit layer 230. Further, in this configuration, the output side via 251 is formed so as to penetrate the support substrate 250 and the circuit layer 230.
- FIG. 35 is a cross-sectional view schematically showing the configuration of the semiconductor package in the third modification of the third embodiment of the present technology. As illustrated in the figure, the opening 410 is formed so as to penetrate the solid-state image sensor 220 and the wiring layer 240 to the light emitting element 411.
- the wiring layer 240 is arranged between the solid-state image sensor 220 and the circuit layer 230, the solid-state image sensor 220 and the wiring layer 240 are arranged.
- the irradiation light can be irradiated through the opening 410 penetrating the.
- the logic circuit 232 and the memory 233 are provided in the lower part of the solid-state image sensor 220, but in order to realize the function of measuring the distance by the ToF (Time of Flight) method, the light emitting element Is required.
- the semiconductor package 200 of the fourth embodiment is different from the first embodiment in that a light emitting element is provided.
- FIG. 36 is a cross-sectional view showing a configuration example of the semiconductor package 200 according to the fourth embodiment of the present technology.
- the semiconductor package 200 of the fourth embodiment is further provided with a frame 510, LEDs 521 and 522, and a package substrate 550. Further, a support board 540 with a wiring layer is provided instead of the wiring layer 240 and the support board 250.
- a frame 510 is provided on the outer periphery of the upper surface of the package substrate 550 with the light receiving side on the upper side. Glass 210 is adhered to the upper part of the frame 510. Further, a solid-state image sensor 220, a circuit layer 230, and a support substrate 540 with a wiring layer are laminated on the upper surface of the package substrate 550 in this order from the top.
- the package substrate 550 for example, a ceramic substrate, an organic substrate, or a flexible substrate is used.
- the support board 540 with a wiring layer has a wiring layer formed on the upper part of the support board.
- the area of the support substrate 540 with a wiring layer is larger than that of the solid-state image sensor 220 and the circuit layer 230. Therefore, a space is created around the support substrate 540 with the wiring layer. Elements and components such as LEDs 521 and 522 are arranged in this space.
- the LEDs 521 and 522 are connected to the support substrate 540 with a wiring layer by a wire 531 and the support substrate 540 with a wiring layer is connected to the package substrate 550 by a wire 532.
- LEDs 521 and 522 are light emitting elements that emit light such as infrared light.
- the arrows in the figure indicate the irradiation direction of light from the LED 521 and the like.
- the LEDs 521 and 522 are arranged in the wiring layer 240, elements and components other than the LED 521 and the like can also be arranged.
- the size of the ToF module using the semiconductor package 200 can be reduced by providing the LED 521 or the like in the semiconductor package 200. Further, in the X-axis direction and the Y-axis direction, the distance between the light receiving element (solid-state image sensor 220) and the light emitting element 411 can be shortened. Thereby, the distance measurement accuracy can be improved.
- FIG. 37 is a cross-sectional view schematically showing the configuration of the semiconductor package according to the fourth embodiment of the present technology.
- the logic circuit 232 controls the LED 521 and the like to irradiate the object with the irradiation light. Then, the solid-state image sensor 220 receives the reflected light with respect to the irradiation light, and the logic circuit 232 measures the distance to the object by the ToF method. The logic circuit 232 outputs the measurement data to the outside via the wire 532. Instead of the logic circuit 232, a control circuit outside the semiconductor package 200 can control the light emitting operation of the LED 521 and the like.
- FIG. 38 is a diagram for explaining up to a step of thinning the logic circuit 232 and the like in the fourth embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of forming the solid-state image sensor 220.
- Reference numeral b in the figure is a diagram for explaining a process of connecting the logic circuit 232 and the like.
- FIG. C in the figure is a diagram for explaining the process of thinning the logic circuit 232 and the like.
- the manufacturing system forms a solid-state image sensor 220 for each chip region on a wafer divided into a plurality of chip regions. Then, as illustrated in b in the figure, the manufacturing system connects the logic circuit 232 and the memory 233 to the solid-state image sensor 220 by Cu-Cu bonding or the like. Subsequently, as illustrated in c in the figure, the manufacturing system makes the logic circuit 232 and the like thinner as necessary.
- FIG. 39 is a diagram for explaining up to the process of forming the wiring layer 240 in the fourth embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of embedding the logic circuit 232 and the like in the insulating film.
- FIG. B in the figure is a diagram for explaining a process of flattening the circuit layer.
- FIG. C in the figure is a diagram for explaining a process of forming the wiring layer.
- the manufacturing system forms the circuit layer 230 by embedding a logic circuit 232 or the like with an insulating film. Then, the manufacturing system flattens the circuit layer 230 as illustrated in b in the figure. Subsequently, in the manufacturing system, as illustrated in c in the figure, a wiring layer is formed on the upper part of the support substrate to form a support substrate 540 with a wiring layer.
- FIG. 40 is a diagram for explaining up to the process of forming the color filter and the on-chip lens in the fourth embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of connecting the support substrate 540 with a wiring layer.
- FIG. B in the figure is a diagram for explaining a process of opening up to the support substrate 540 with a wiring layer.
- FIG. C in the figure is a diagram for explaining up to the process of forming the color filter and the on-chip lens.
- the manufacturing system connects the solid-state image sensor 220 and the circuit layer 230 to the support substrate 540 with a wiring layer by Cu-Cu bonding. Then, as illustrated in b in the figure, of the solid-state image sensor 220 and the circuit layer 230, the periphery of the central portion where the circuit is formed is opened to the support substrate 540 with a wiring layer. Subsequently, as illustrated in c in the figure, the manufacturing system forms a plurality of pixels 221 on the solid-state image sensor 220, and forms a color filter (not shown) and an on-chip lens 222 for each pixel 221. ..
- FIG. 41 is a diagram for explaining up to the wire bonding process in the fourth embodiment of the present technology.
- a in the figure is a figure for demonstrating the process of forming LEDs 521 and 522.
- Reference numeral b in the figure is a diagram for explaining a wire bonding process.
- the manufacturing system forms LEDs 521 and 522 around the solid-state image sensor 220 and the circuit layer 230 on the upper surface of the support substrate 540 with a wiring layer. Then, as illustrated in b in the figure, in the manufacturing system, the LED 521 and the like are connected to the support substrate 540 with the wiring layer by the wire 531 and the support substrate 540 with the wiring layer is connected to the package substrate 550 by the wire 532.
- a frame 510 is formed on the outer periphery of the upper surface of the package substrate 550, and glass 210 is adhered to the upper portion of the frame 510 for dicing.
- the LED 521 and the like are provided on the support substrate 540 with the wiring layer in the semiconductor package 200, the size of the ToF module is reduced and the distance measurement accuracy is improved. Can be done.
- the LED 521 or the like is provided on the support substrate 540 with the wiring layer, but a laser diode or the like may be provided instead of the LED 521 or the like.
- the semiconductor package 200 of the first modification of the fourth embodiment is different from the fourth embodiment in that the laser diode is provided on the support substrate 540 with the wiring layer.
- FIG. 42 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the first modification of the fourth embodiment of the present technology.
- the semiconductor package 200 of the first modification of the fourth embodiment is different from the fourth embodiment in that laser diodes 523 and 524 are provided instead of the LEDs 521 and 522.
- the laser diode 523 and the like are provided on the support substrate 540 with the wiring layer in the semiconductor package 200, the size of the ToF module is reduced and the distance measurement accuracy is improved. Can be made to.
- the LED 521 and the like are provided on the support substrate 540 with a wiring layer, but circuits and components other than the LED can be added.
- the semiconductor package 200 of the first modification of the fourth embodiment is different from the fourth embodiment in that additional circuits and components are provided on the support substrate 540 with a wiring layer.
- FIG. 43 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the second modification of the fourth embodiment of the present technology.
- the semiconductor package 200 of the second modification of the fourth embodiment is different from the fourth embodiment in that a logic circuit 525 and an active component 526 are provided instead of the LEDs 521 and 522.
- the logic circuit 525 and the active component 526 those that cannot withstand the high temperature process of the wafer can be mounted.
- the function of the semiconductor package 200 can be improved by adding a logic circuit 525 or the like.
- HMC Hybrid Memory Cube
- LED 521, LED 522, laser diode 523, laser diode 524, logic circuit 525, and active component 526 are examples of additional circuits described in the claims.
- additional circuits can be connected by solder connection, conductive wire connection, or connection with a conductive material.
- FIG. 44 is a diagram for explaining up to the wire bonding step in the second modification of the fourth embodiment of the present technology.
- FIG. A in the figure is a diagram for explaining a process of forming the logic circuit 525 and the active component 526.
- Reference numeral b in the figure is a diagram for explaining a wire bonding process.
- the steps of FIGS. 38 to 40 are performed in the same manner as in the fourth embodiment.
- the manufacturing system forms a logic circuit 525 and an active component 526 around the solid-state image sensor 220 and the circuit layer 230 on the upper surface of the support substrate 540 with a wiring layer.
- the manufacturing system connects the support substrate 540 with the wiring layer to the package substrate 550 by the wire 532.
- the additional logic circuit 525 and the active component 526 are provided on the support substrate 540 with the wiring layer, the function of the semiconductor package 200 is improved. Can be made to.
- the logic circuit 525 and the active component 526 are formed, and the support substrate 540 with the wiring layer is connected by the wire 532, but from the viewpoint of reliability and handling, , It is desirable to seal these with a resin.
- the semiconductor package 200 of the third modification of the fourth embodiment is different from the second modification of the fourth embodiment in that the logic circuit 525 and the like and the wire 532 are embedded in the sealing resin. different.
- FIG. 45 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the third modification of the fourth embodiment of the present technology.
- the semiconductor package 200 of the third modification of the fourth embodiment is the first of the fourth embodiment in that the logic circuit 525, the active component 526, and the wire 532 are embedded in the sealing resin 560. It is different from the modification of 2. As a result, the reliability of the semiconductor package 200 can be improved and the handling can be facilitated.
- the reliability of the semiconductor package 200 is improved and the handling is performed. Can be facilitated.
- the glass 210 is arranged above the light receiving surface of the solid-state image sensor 220, but a transparent resin may be provided instead of the glass 210.
- the semiconductor package 200 of the fourth modification of the fourth embodiment is different from the second modification of the fourth embodiment in that the light receiving surface of the solid-state image sensor 220 is protected by the transparent resin.
- FIG. 46 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the fourth modification of the fourth embodiment of the present technology.
- the semiconductor package 200 of the fourth modification of the fourth embodiment is different from the second modification of the fourth embodiment in that the transparent resin 570 is formed instead of the frame 510 and the glass 210. ..
- the transparent resin 570 is a transparent resin that protects the light receiving surface of the solid-state image sensor 220. By protecting the light receiving surface with the transparent resin 570, the size (that is, the thickness) of the semiconductor package 200 in the Z-axis direction can be reduced as compared with the case where the glass 210 is provided.
- the thickness of the semiconductor package 200 can be made smaller in order to protect the light receiving surface of the solid-state image sensor 220 with the transparent resin 570. it can.
- the glass 210 is arranged on the solid-state image sensor 220 via the frame 510, but the glass can also be arranged via the ribs.
- the semiconductor package 200 of the fifth modification of the fourth embodiment is different from the second modification of the fourth embodiment in that ribs and glass are provided.
- FIG. 47 is a cross-sectional view showing a configuration example of the semiconductor package 200 in the fifth modification of the fourth embodiment of the present technology.
- the semiconductor package 200 of the fifth modification of the fourth embodiment is provided with ribs 581 and AR (Anti Reflection) coated seal glass 580 instead of the frame 510 and the glass 210. It is different from the second modification of.
- the rib 581 is attached to the sealing resin 560. Further, the AR coated seal glass 580 is connected to the sealing resin 560 via the rib 581. The AR-coated seal glass 580 protects the light-receiving surface of the solid-state image sensor 220.
- the AR coated seal glass 580 is an example of the glass described in the claims.
- the AR coated seal glass 580 is connected to the sealing resin 560 via the rib 581, the light receiving surface of the solid-state image sensor 220 is formed. Can be protected.
- the technology according to the present disclosure can be applied to various products.
- the technology according to the present disclosure is realized as a device mounted on a moving body of any kind such as an automobile, an electric vehicle, a hybrid electric vehicle, a motorcycle, a bicycle, a personal mobility, an airplane, a drone, a ship, and a robot. You may.
- FIG. 48 is a block diagram showing a schematic configuration example of a vehicle control system, which is an example of a mobile control system to which the technique according to the present disclosure can be applied.
- the vehicle control system 12000 includes a plurality of electronic control units connected via the communication network 12001.
- the vehicle control system 12000 includes a drive system control unit 12010, a body system control unit 12020, an outside information detection unit 12030, an in-vehicle information detection unit 12040, and an integrated control unit 12050.
- a microcomputer 12051, an audio image output unit 12052, and an in-vehicle network I / F (interface) 12053 are shown as a functional configuration of the integrated control unit 12050.
- the drive system control unit 12010 controls the operation of the device related to the drive system of the vehicle according to various programs.
- the drive system control unit 12010 provides a driving force generator for generating the driving force of the vehicle such as an internal combustion engine or a driving motor, a driving force transmission mechanism for transmitting the driving force to the wheels, and a steering angle of the vehicle. It functions as a control device such as a steering mechanism for adjusting and a braking device for generating a braking force of a vehicle.
- the body system control unit 12020 controls the operation of various devices mounted on the vehicle body according to various programs.
- the body system control unit 12020 functions as a keyless entry system, a smart key system, a power window device, or a control device for various lamps such as headlamps, back lamps, brake lamps, blinkers or fog lamps.
- the body system control unit 12020 may be input with radio waves transmitted from a portable device that substitutes for the key or signals of various switches.
- the body system control unit 12020 receives inputs of these radio waves or signals and controls a vehicle door lock device, a power window device, a lamp, and the like.
- the vehicle outside information detection unit 12030 detects information outside the vehicle equipped with the vehicle control system 12000.
- the image pickup unit 12031 is connected to the vehicle exterior information detection unit 12030.
- the vehicle outside information detection unit 12030 causes the image pickup unit 12031 to capture an image of the outside of the vehicle and receives the captured image.
- the vehicle exterior information detection unit 12030 may perform object detection processing or distance detection processing such as a person, a vehicle, an obstacle, a sign, or a character on the road surface based on the received image.
- the image pickup unit 12031 is an optical sensor that receives light and outputs an electric signal according to the amount of the light received.
- the imaging unit 12031 can output an electric signal as an image or can output it as distance measurement information. Further, the light received by the imaging unit 12031 may be visible light or invisible light such as infrared light.
- the in-vehicle information detection unit 12040 detects the in-vehicle information.
- a driver state detection unit 12041 that detects the driver's state is connected to the in-vehicle information detection unit 12040.
- the driver state detection unit 12041 includes, for example, a camera that images the driver, and the in-vehicle information detection unit 12040 determines the degree of fatigue or concentration of the driver based on the detection information input from the driver state detection unit 12041. It may be calculated, or it may be determined whether the driver is dozing.
- the microcomputer 12051 calculates the control target value of the driving force generator, the steering mechanism, or the braking device based on the information inside and outside the vehicle acquired by the vehicle exterior information detection unit 12030 or the vehicle interior information detection unit 12040, and the drive system control unit.
- a control command can be output to 12010.
- the microcomputer 12051 realizes ADAS (Advanced Driver Assistance System) functions including vehicle collision avoidance or impact mitigation, follow-up driving based on inter-vehicle distance, vehicle speed maintenance driving, vehicle collision warning, vehicle lane deviation warning, and the like. It is possible to perform cooperative control for the purpose of.
- ADAS Advanced Driver Assistance System
- the microcomputer 12051 controls the driving force generating device, the steering mechanism, the braking device, and the like based on the information around the vehicle acquired by the outside information detection unit 12030 or the inside information detection unit 12040, so that the driver can control the driver. It is possible to perform coordinated control for the purpose of automatic driving that runs autonomously without depending on the operation.
- the microcomputer 12051 can output a control command to the body system control unit 12020 based on the information outside the vehicle acquired by the vehicle exterior information detection unit 12030.
- the microcomputer 12051 controls the headlamps according to the position of the preceding vehicle or the oncoming vehicle detected by the external information detection unit 12030, and performs cooperative control for the purpose of antiglare such as switching the high beam to the low beam. It can be carried out.
- the audio image output unit 12052 transmits the output signal of at least one of the audio and the image to the output device capable of visually or audibly notifying the passenger or the outside of the vehicle of the information.
- an audio speaker 12061, a display unit 12062, and an instrument panel 12063 are exemplified as output devices.
- the display unit 12062 may include, for example, at least one of an onboard display and a heads-up display.
- FIG. 49 is a diagram showing an example of the installation position of the imaging unit 12031.
- the imaging unit 12031 includes imaging units 12101, 12102, 12103, 12104, and 12105.
- the imaging units 12101, 12102, 12103, 12104, 12105 are provided at positions such as the front nose, side mirrors, rear bumpers, back doors, and the upper part of the windshield in the vehicle interior of the vehicle 12100, for example.
- the imaging unit 12101 provided on the front nose and the imaging unit 12105 provided on the upper part of the windshield in the vehicle interior mainly acquire an image in front of the vehicle 12100.
- the imaging units 12102 and 12103 provided in the side mirrors mainly acquire images of the side of the vehicle 12100.
- the imaging unit 12104 provided on the rear bumper or the back door mainly acquires an image of the rear of the vehicle 12100.
- the imaging unit 12105 provided on the upper part of the windshield in the vehicle interior is mainly used for detecting a preceding vehicle, a pedestrian, an obstacle, a traffic light, a traffic sign, a lane, or the like.
- FIG. 49 shows an example of the photographing range of the imaging units 12101 to 12104.
- the imaging range 12111 indicates the imaging range of the imaging unit 12101 provided on the front nose
- the imaging ranges 12112 and 12113 indicate the imaging ranges of the imaging units 12102 and 12103 provided on the side mirrors, respectively
- the imaging range 12114 indicates the imaging range of the imaging units 12102 and 12103.
- the imaging range of the imaging unit 12104 provided on the rear bumper or the back door is shown. For example, by superimposing the image data captured by the imaging units 12101 to 12104, a bird's-eye view image of the vehicle 12100 as viewed from above can be obtained.
- At least one of the imaging units 12101 to 12104 may have a function of acquiring distance information.
- at least one of the image pickup units 12101 to 12104 may be a stereo camera composed of a plurality of image pickup elements, or may be an image pickup element having pixels for phase difference detection.
- the microcomputer 12051 has a distance to each three-dimensional object within the imaging range 12111 to 12114 based on the distance information obtained from the imaging units 12101 to 12104, and a temporal change of this distance (relative velocity with respect to the vehicle 12100).
- a predetermined speed for example, 0 km / h or more.
- the microcomputer 12051 can set an inter-vehicle distance to be secured in front of the preceding vehicle in advance, and can perform automatic braking control (including follow-up stop control), automatic acceleration control (including follow-up start control), and the like. In this way, it is possible to perform coordinated control for the purpose of automatic driving or the like in which the vehicle travels autonomously without depending on the operation of the driver.
- the microcomputer 12051 converts three-dimensional object data related to a three-dimensional object into two-wheeled vehicles, ordinary vehicles, large vehicles, pedestrians, electric poles, and other three-dimensional objects based on the distance information obtained from the imaging units 12101 to 12104. It can be classified and extracted and used for automatic avoidance of obstacles. For example, the microcomputer 12051 distinguishes obstacles around the vehicle 12100 into obstacles that can be seen by the driver of the vehicle 12100 and obstacles that are difficult to see. Then, the microcomputer 12051 determines the collision risk indicating the risk of collision with each obstacle, and when the collision risk is equal to or higher than the set value and there is a possibility of collision, the microcomputer 12051 via the audio speaker 12061 or the display unit 12062. By outputting an alarm to the driver and performing forced deceleration and avoidance steering via the drive system control unit 12010, driving support for collision avoidance can be provided.
- At least one of the imaging units 12101 to 12104 may be an infrared camera that detects infrared rays.
- the microcomputer 12051 can recognize a pedestrian by determining whether or not a pedestrian is present in the captured image of the imaging units 12101 to 12104.
- pedestrian recognition includes, for example, a procedure for extracting feature points in an image captured by an imaging unit 12101 to 12104 as an infrared camera, and pattern matching processing for a series of feature points indicating the outline of an object to determine whether or not the pedestrian is a pedestrian. It is done by the procedure to determine.
- the audio image output unit 12052 When the microcomputer 12051 determines that a pedestrian is present in the captured images of the imaging units 12101 to 12104 and recognizes the pedestrian, the audio image output unit 12052 outputs a square contour line for emphasizing the recognized pedestrian.
- the display unit 12062 is controlled so as to superimpose and display. Further, the audio image output unit 12052 may control the display unit 12062 so as to display an icon or the like indicating a pedestrian at a desired position.
- the above is an example of a vehicle control system to which the technology according to the present disclosure can be applied.
- the technique according to the present disclosure can be applied to, for example, the imaging unit 12031 among the configurations described above.
- the semiconductor package 200 of FIG. 2 can be applied to the imaging unit 12031.
- the yield can be improved, so that the cost of the system can be reduced.
- the processing procedure described in the above-described embodiment may be regarded as a method having these series of procedures, and as a program for causing a computer to execute these series of procedures or as a recording medium for storing the program. You may catch it.
- a recording medium for example, a CD (Compact Disc), MD (MiniDisc), DVD (Digital Versatile Disc), memory card, Blu-ray disc (Blu-ray (registered trademark) Disc) or the like can be used.
- the present technology can have the following configurations.
- a solid-state image sensor that generates image data, A circuit layer in which a signal processing circuit that performs predetermined signal processing on the image data is arranged, and A support board through which the output side via, one end of which is connected to the external terminal, penetrates, A semiconductor package including a wiring layer arranged between the support substrate and the circuit layer and to which a signal line connecting the signal processing circuit and the other end of the output side via is wired.
- (2) With glass The semiconductor package according to (1) above, further comprising a resin dam formed between the periphery of the pixel array portion and the glass of the light receiving surface of the solid-state image sensor.
- a solid-state image sensor that generates image data and inputs it to one end of the input side via.
- a wiring layer in which a signal line connecting a signal processing circuit that performs predetermined signal processing on the image data and the other end of the input side via is wired.
- a semiconductor package including a circuit layer arranged between the solid-state image sensor and the wiring layer and provided with the input side via and the signal processing circuit.
- a rewiring layer in which a signal line connecting the bonding bump and the external terminal is wired is further provided.
- An embedded element is further arranged on the circuit layer.
- the semiconductor package according to (7) wherein an opening is formed in the solid-state image sensor and the circuit layer so as to penetrate from the light receiving surface of the solid-state image sensor to the embedded element.
- a substrate with a frame having a frame formed on the outer periphery thereof is further provided.
- the semiconductor package according to (14), wherein the wiring layer and the framed substrate are connected by wires.
- (16) Further provided with a ceramic substrate The semiconductor package according to (14), wherein the ceramic substrate and the wiring layer are connected by wires.
- the additional circuit is embedded in a sealing resin.
Landscapes
- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
1.第1の実施の形態(ビアが支持基板のみを貫通する例)
2.第2の実施の形態(ビアに支持基板を貫通させ、セラミックパッケージなどに実装した例)
3.第3の実施の形態(発光素子を埋め込んだ例)
4.第4の実施の形態(回路や部品を追加した例)
5.移動体への応用例
[電子装置の構成例]
図1は、本技術の第1の実施の形態における電子装置の一構成例を示すブロック図である。この電子装置100は、画像データを撮像するための装置であり、光学部110、固体撮像素子220およびDSP(Digital Signal Processing)回路120を備える。さらに電子装置100は、表示部130、操作部140、バス150、フレームメモリ160、記憶部170および電源部180を備える。電子装置100としては、例えば、デジタルスチルカメラなどのデジタルカメラの他、スマートフォンやパーソナルコンピュータ、車載カメラ等が想定される。
図2は、本技術の第1の実施の形態における半導体パッケージ200の一構成例を示す断面図である。この半導体パッケージ200には、受光側を上側とすると上から順に、ガラス210、固体撮像素子220、回路層230、配線層240および支持基板250が設けられる。
図6は、本技術の第1の実施の形態におけるロジック回路232等を薄くする工程までを説明するための図である。同図におけるaは、配線層240を形成する工程を説明するための図である。同図におけるbは、ロジック回路232等を接続する工程を説明するための図である。同図におけるcは、ロジック回路232等を薄くする工程までを説明するための図である。
上述の第1の実施の形態では、樹脂ダム261により半導体パッケージ200内にキャビティ262を設けていたが、樹脂ダム261の壁面の一部が剥がれて、固体撮像素子220の像面に落下するおそれがある。この第1の実施の形態の第1の変形例の半導体パッケージ200は、透明樹脂で埋めることによりキャビティ262を無くした点において第1の実施の形態と異なる。
上述の第1の実施の形態では、ロジック回路232等の周囲に対応する部分に出力側ビア251等を配置していたが、この構成では、外部端子253の個数が不足するおそれがある。この第1の実施の形態の第2の変形例の半導体パッケージ200は、ロジック回路232等の直下にも出力側ビアを配置した点において第1の実施の形態と異なる。
上述の第1の実施の形態の第2の変形例では、樹脂ダム261により半導体パッケージ200内にキャビティ262を設けていたが、樹脂ダム261の壁面の一部が剥がれて、固体撮像素子220の像面に落下するおそれがある。この第1の実施の形態の第3の変形例の半導体パッケージ200は、透明樹脂で埋めることによりキャビティ262を無くした点において第1の実施の形態の第2の変形例と異なる。
上述の第1の実施の形態では、ウェハーレベルで製造した半導体パッケージ200の歩留まりを向上させていたが、セラミック基板に実装したセラミックパッケージの歩留まりを向上させることもできる。この第2の実施の形態の半導体パッケージ200は、セラミックパッケージである点において第1の実施の形態と異なる。
上述の第2の実施の形態では、出力側ビア255により、センサーチップ310をセラミック基板320に接続していたが、ワイヤにより接続することもできる。この第2の実施の形態の第1の変形例の半導体パッケージ200は、ワイヤによりセンサーチップ310をセラミック基板320に接続する点において第2の実施の形態と異なる。
上述の第2の実施の形態では、セラミック基板320内にセンサーチップ310を配置してガラス210で密閉していたが、セラミック基板を設けず、センサーチップ310に、樹脂を介してガラス210を直接搭載することもできる。このような半導体パッケージは、GoC(Glass on Chip)パッケージと呼ばれる。この第2の実施の形態の第2の変形例の半導体パッケージ200は、GoCパッケージである点において第2の実施の形態と異なる。
上述の第2の実施の形態では、出力側ビア255により、センサーチップ310をセラミック基板320に接続していたが、フリップチップ接続することもできる。この第2の実施の形態の第3の変形例の半導体パッケージ200は、バンプによりセンサーチップ310を再配線層に接続する点において第2の実施の形態と異なる。
上述の第2の実施の形態では、センサーチップ310をセラミック基板320に接続していたが、フレーム付のインターポーザに接着することもできる。この第2の実施の形態の第4の変形例の半導体パッケージ200は、センサーチップ310をフレーム付のインターポーザに接着した点において第2の実施の形態と異なる。
上述の第2の実施の形態では、半田ボールを外部端子253として設けていたが、半田ボールの代わりにパッドを設けることもできる。第2の実施の形態の第5の変形例の半導体パッケージ200は、パッドを外部端子として設けた点において第2の実施の形態と異なる。
上述の第2の実施の形態では、出力側ビア255により、センサーチップ310をセラミック基板320に接続していたが、フリップチップ接続することもできる。第2の実施の形態の第6の変形例の半導体パッケージ200は、センサーチップ310をセラミック基板320にフリップチップ接続する点において第2の実施の形態と異なる。
上述の第1の実施の形態では、固体撮像素子220の下部に、ロジック回路232およびメモリ233を設けていたが、ToF(Time of Flight)方式で測距する機能を実現するには、発光素子が必要になる。この第3の実施の形態の半導体パッケージ200は、発光素子を設けた点において第1の実施の形態と異なる。
上述したように第3の実施の形態では、出力側ビア255により、センサーチップ310を支持基板250に接続していたが、ワイヤによりフレーム付き基板に接続することもできる。この第3の実施の形態の第1の変形例の半導体パッケージ200は、センサーチップ310をワイヤによりフレーム付き基板に接続する点において第3の実施の形態と異なる。
上述の第3の実施の形態では、ウェハーレベルで製造した半導体パッケージ200に発光素子411を設けていたが、セラミック基板に実装したセラミックパッケージに発光素子411を設けることもできる。この第3の実施の形態の第2の変形例の半導体パッケージ200は、セラミックパッケージである点において第3の実施の形態と異なる。
上述の第3の実施の形態では、固体撮像素子220と配線層240との間に回路層230を配置していたが、固体撮像素子220と回路層230との間に配線層240を配置することもできる。この第3の実施の形態の第3の変形例の半導体パッケージ200は、固体撮像素子220と回路層230との間に配線層240を配置した点において第3の実施の形態と異なる。
上述の第1の実施の形態では、固体撮像素子220の下部に、ロジック回路232およびメモリ233を設けていたが、ToF(Time of Flight)方式で測距する機能を実現するには、発光素子が必要になる。この第4の実施の形態の半導体パッケージ200は、発光素子を設けた点において第1の実施の形態と異なる。
上述の第4の実施の形態では、LED521等を配線層付き支持基板540に設けたが、LED521等の代わりに、レーザーダイオードを設けることもできる。この第4の実施の形態の第1の変形例の半導体パッケージ200は、レーザーダイオードを配線層付き支持基板540に設けた点において第4の実施の形態と異なる。
上述の第4の実施の形態では、LED521等を配線層付き支持基板540に設けたが、LED以外の回路や部品を追加することもできる。この第4の実施の形態の第1の変形例の半導体パッケージ200は、追加の回路や部品を配線層付き支持基板540に設けた点において第4の実施の形態と異なる。
上述の第4の実施の形態の第2の変形例では、ロジック回路525および能動部品526を形成し、配線層付き支持基板540をワイヤ532により接続していたが、信頼性や取扱いの観点から、これらを樹脂により封止することが望ましい。この第4の実施の形態の第3の変形例の半導体パッケージ200は、ロジック回路525等とワイヤ532とを封止樹脂内に埋め込んだ点において第4の実施の形態の第2の変形例と異なる。
上述の第4の実施の形態の第2の変形例では、固体撮像素子220の受光面の上部にガラス210を配置していたが、ガラス210の代わりに透明樹脂を設けることもできる。この第4の実施の形態の第4の変形例の半導体パッケージ200は、固体撮像素子220の受光面を透明樹脂により保護する点において第4の実施の形態の第2の変形例と異なる。
上述の第4の実施の形態の第2の変形例では、固体撮像素子220の上部にフレーム510を介してガラス210を配置していたが、リブを介してガラスを配置することもできる。この第4の実施の形態の第5の変形例の半導体パッケージ200は、リブおよびガラスを設けた点において第4の実施の形態の第2の変形例と異なる。
本開示に係る技術(本技術)は、様々な製品へ応用することができる。例えば、本開示に係る技術は、自動車、電気自動車、ハイブリッド電気自動車、自動二輪車、自転車、パーソナルモビリティ、飛行機、ドローン、船舶、ロボット等のいずれかの種類の移動体に搭載される装置として実現されてもよい。
(1)画像データを生成する固体撮像素子と、
前記画像データに対して所定の信号処理を行う信号処理回路が配置された回路層と、
外部端子に一端が接続された出力側ビアが貫通する支持基板と、
前記支持基板と前記回路層との間に配置されて前記信号処理回路と前記出力側ビアの他端とを接続する信号線が配線された配線層と
を具備する半導体パッケージ。
(2)ガラスと、
前記固体撮像素子の受光面のうち画素アレイ部の周囲と前記ガラスとの間に形成された樹脂ダムと
をさらに具備する前記(1)記載の半導体パッケージ。
(3)ガラスと、
前記固体撮像素子と前記ガラスとの間に埋め込まれた透明樹脂と
をさらに具備する前記(1)記載の半導体パッケージ。
(4)前記出力側ビアは、前記支持基板の表面のうち前記信号処理回路に対応する領域と前記信号処理回路に対応しない領域とに配置される
前記(1)から(3)のいずれかに記載の半導体パッケージ。
(5)セラミック基板をさらに具備し、
前記出力側ビアは、前記支持基板およびセラミック基板を貫通する
前記(1)記載の半導体パッケージ。
(6)前記回路層には、埋め込み素子がさらに配置され、
前記固体撮像素子および前記回路層には、前記固体撮像素子の受光面から前記埋め込み素子まで貫通した開口部が形成される
前記(1)記載の半導体パッケージ。
(7)画像データを生成して入力側ビアの一端に入力する固体撮像素子と、
前記画像データに対して所定の信号処理を行う信号処理回路と前記入力側ビアの他端とを接続する信号線が配線された配線層と、
前記固体撮像素子と前記配線層との間に配置されて前記入力側ビアおよび前記信号処理回路が設けられた回路層と
を具備する半導体パッケージ。
(8)一端が外部端子に接続された出力側ビアが貫通するセラミック基板をさらに具備する
前記(7)記載の半導体パッケージ。
(9)前記セラミック基板と前記配線層とはワイヤにより接続される
前記(8)記載の半導体パッケージ。
(10)前記セラミック基板と前記配線層とはバンプにより接続される
前記(8)記載の半導体パッケージ。
(11)ガラスと
前記固体撮像素子の画素アレイ部の周囲と前記ガラスとの間に形成されたスペーサ樹脂と、
インターポーザとをさらに具備し、
前記インターポーザと前記配線層とはワイヤにより接続される
前記(7)記載の半導体パッケージ。
(12)接合バンプと外部端子とを接続する信号線が配線された再配線層をさらに具備し、
前記配線層は、前記バンプにより前記再配線層と接続される
前記(7)記載の半導体パッケージ。
(13)フレームと、
前記フレームに接着されたインターポーザとをさらに具備し、
前記インターポーザと前記配線層とはワイヤにより接続される
前記(7)記載の半導体パッケージ。
(14)前記回路層には、埋め込み素子がさらに配置され、
前記固体撮像素子および前記回路層には、前記固体撮像素子の受光面から前記埋め込み素子まで貫通した開口部が形成される
前記(7)記載の半導体パッケージ。
(15)フレームが外周に形成されたフレーム付き基板をさらに具備し、
前記配線層と前記フレーム付き基板とは、ワイヤにより接続される
前記(14)記載の半導体パッケージ。
(16)セラミック基板をさらに具備し、
前記セラミック基板と前記配線層とは、ワイヤにより接続される
前記(14)記載の半導体パッケージ。
(17)前記配線層の受光側の面に設けられた追加回路をさらに具備する
前記(7)記載の半導体パッケージ。
(18)前記追加回路は封止樹脂内に埋め込まれる
前記(17)記載の半導体パッケージ。
(19)前記固体撮像素子の受光面を保護する透明樹脂をさらに具備する
前記(18)記載の半導体パッケージ。
(20)前記封止樹脂にリブを介して接続されたガラスをさらに具備する
前記(18)記載の半導体パッケージ。
110 光学部
120 DSP(Digital Signal Processing)回路
130 表示部
140 操作部
150 バス
160 フレームメモリ
170 記憶部
180 電源部
200 半導体パッケージ
210 ガラス
220 固体撮像素子
221 画素
222 オンチップレンズ
230 回路層
231、234 入力側ビア
232、525 ロジック回路
233 メモリ
240 配線層
241、243、244、245 パッド
242 信号線
250 支持基板
251、254、255、321 出力側ビア
252、322、351 再配線
253、365、371 外部端子
261 樹脂ダム
262 キャビティ
263、570 透明樹脂
310 センサーチップ
320、431 セラミック基板
331、531、532 ワイヤ
341 モールド樹脂
342 ポティング樹脂
343 スペーサー樹脂
344 接着剤
345 インターポーザ
352 シールリング
353、381 バンプ
354 再配線層
361、363 シール剤
362、510 フレーム
364 セラミックインターポーザ
410 開口部
411 発光素子
421 フレーム付き基板
521、522 LED
523、524 レーザーダイオード
526 能動部品
540 配線層付き支持基板
550 パッケージ基板
560 封止樹脂
580 ARコートシールガラス
581 リブ
12031 撮像部
Claims (20)
- 画像データを生成する固体撮像素子と、
前記画像データに対して所定の信号処理を行う信号処理回路が配置された回路層と、
外部端子に一端が接続された出力側ビアが貫通する支持基板と、
前記支持基板と前記回路層との間に配置されて前記信号処理回路と前記出力側ビアの他端とを接続する信号線が配線された配線層と
を具備する半導体パッケージ。 - ガラスと、
前記固体撮像素子の受光面のうち画素アレイ部の周囲と前記ガラスとの間に形成された樹脂ダムと
をさらに具備する請求項1記載の半導体パッケージ。 - ガラスと、
前記固体撮像素子と前記ガラスとの間に埋め込まれた透明樹脂と
をさらに具備する請求項1記載の半導体パッケージ。 - 前記出力側ビアは、前記支持基板の表面のうち前記信号処理回路に対応する領域と前記信号処理回路に対応しない領域とに配置される
請求項1記載の半導体パッケージ。 - セラミック基板をさらに具備し、
前記出力側ビアは、前記支持基板およびセラミック基板を貫通する
請求項1記載の半導体パッケージ。 - 前記回路層には、埋め込み素子がさらに配置され、
前記固体撮像素子および前記回路層には、前記固体撮像素子の受光面から前記埋め込み素子まで貫通した開口部が形成される
請求項1記載の半導体パッケージ。 - 画像データを生成して入力側ビアの一端に入力する固体撮像素子と、
前記画像データに対して所定の信号処理を行う信号処理回路と前記入力側ビアの他端とを接続する信号線が配線された配線層と、
前記固体撮像素子と前記配線層との間に配置されて前記入力側ビアおよび前記信号処理回路が設けられた回路層と
を具備する半導体パッケージ。 - 一端が外部端子に接続された出力側ビアが貫通するセラミック基板をさらに具備する
請求項7記載の半導体パッケージ。 - 前記セラミック基板と前記配線層とはワイヤにより接続される
請求項8記載の半導体パッケージ。 - 前記セラミック基板と前記配線層とはバンプにより接続される
請求項8記載の半導体パッケージ。 - ガラスと
前記固体撮像素子の画素アレイ部の周囲と前記ガラスとの間に形成されたスペーサ樹脂と、
インターポーザとをさらに具備し、
前記インターポーザと前記配線層とはワイヤにより接続される
請求項7記載の半導体パッケージ。 - 接合バンプと外部端子とを接続する信号線が配線された再配線層をさらに具備し、
前記配線層は、前記バンプにより前記再配線層と接続される
請求項7記載の半導体パッケージ。 - フレームと、
前記フレームに接着されたインターポーザとをさらに具備し、
前記インターポーザと前記配線層とはワイヤにより接続される
請求項7記載の半導体パッケージ。 - 前記回路層には、埋め込み素子がさらに配置され、
前記固体撮像素子および前記回路層には、前記固体撮像素子の受光面から前記埋め込み素子まで貫通した開口部が形成される
請求項7記載の半導体パッケージ。 - フレームが外周に形成されたフレーム付き基板をさらに具備し、
前記配線層と前記フレーム付き基板とは、ワイヤにより接続される
請求項14記載の半導体パッケージ。 - セラミック基板をさらに具備し、
前記セラミック基板と前記配線層とは、ワイヤにより接続される
請求項14記載の半導体パッケージ。 - 前記配線層の受光側の面に設けられた追加回路をさらに具備する
請求項7記載の半導体パッケージ。 - 前記追加回路は封止樹脂内に埋め込まれる
請求項17記載の半導体パッケージ。 - 前記固体撮像素子の受光面を保護する透明樹脂をさらに具備する
請求項18記載の半導体パッケージ。 - 前記封止樹脂にリブを介して接続されたガラスをさらに具備する
請求項18記載の半導体パッケージ。
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| JP2021534558A JP7630428B2 (ja) | 2019-07-23 | 2020-05-22 | 半導体パッケージ |
| EP20844561.9A EP4006975A4 (en) | 2019-07-23 | 2020-05-22 | SEMICONDUCTOR HOUSING |
| CN202080051550.XA CN114127940A (zh) | 2019-07-23 | 2020-05-22 | 半导体封装 |
| US17/626,444 US12593524B2 (en) | 2019-07-23 | 2020-05-22 | Semiconductor package |
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|---|---|---|---|
| JP2019135043 | 2019-07-23 | ||
| JP2019-135043 | 2019-07-23 |
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| Country | Link |
|---|---|
| US (1) | US12593524B2 (ja) |
| EP (1) | EP4006975A4 (ja) |
| JP (1) | JP7630428B2 (ja) |
| CN (1) | CN114127940A (ja) |
| WO (1) | WO2021014731A1 (ja) |
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| WO2023058336A1 (ja) * | 2021-10-08 | 2023-04-13 | ソニーセミコンダクタソリューションズ株式会社 | 半導体装置およびその製造方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP4006975A1 (en) | 2022-06-01 |
| CN114127940A (zh) | 2022-03-01 |
| JPWO2021014731A1 (ja) | 2021-01-28 |
| US20220246665A1 (en) | 2022-08-04 |
| JP7630428B2 (ja) | 2025-02-17 |
| US12593524B2 (en) | 2026-03-31 |
| EP4006975A4 (en) | 2022-11-16 |
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