WO2024014134A1 - 固体撮像装置 - Google Patents
固体撮像装置 Download PDFInfo
- Publication number
- WO2024014134A1 WO2024014134A1 PCT/JP2023/018943 JP2023018943W WO2024014134A1 WO 2024014134 A1 WO2024014134 A1 WO 2024014134A1 JP 2023018943 W JP2023018943 W JP 2023018943W WO 2024014134 A1 WO2024014134 A1 WO 2024014134A1
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- WIPO (PCT)
- Prior art keywords
- photoelectric conversion
- cover glass
- conversion element
- solid
- imaging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
- H10F39/182—Colour image sensors
-
- 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
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
-
- 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
-
- 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
Definitions
- the present disclosure relates to a solid-state imaging device.
- Solid-state imaging devices such as CIS (CMOS (Complementary Metal Oxide Semiconductor) Image Sensor) may have a cover glass on the light-receiving surface side of the sensor chip. This cover glass is arranged at a distance from the light-receiving surface of the sensor chip, and resin is provided on the side surface of the cover glass.
- CIS Complementary Metal Oxide Semiconductor
- Resin has a higher coefficient of thermal expansion (CTE) than glass. Therefore, thermal stress is generated at the interface between the cover glass and the resin. Furthermore, the internal pressure in the space between the sensor chip and the cover glass changes, which may cause the cover glass to warp. Such thermal stress or warping of the cover glass causes cracks or peeling of the cover glass.
- CTE coefficient of thermal expansion
- a solid-state imaging device includes a photoelectric conversion element having a light-receiving surface, a glass member provided above the light-receiving surface, and a first resin member covering the side surface of the photoelectric conversion element and the side surface of the glass member.
- the area of the photoelectric conversion element is 59 mm 2 or more when viewed from a first direction substantially perpendicular to the light-receiving surface, and the glass member extends in a second direction substantially parallel to the light-receiving surface.
- the side surface of the glass member is covered with a first resin member.
- the thickness of the glass member is less than or equal to the thickness of the first resin member.
- the solid-state imaging device further includes a second resin member that is provided between the glass member and the photoelectric conversion element at the outer edge of the photoelectric conversion element and forms a space between the glass member and the photoelectric conversion element.
- the first and second resin members are provided on the entire outer edge of the photoelectric conversion element to seal the space.
- the glass member protrudes beyond the photoelectric conversion element by the first width in the second direction over the entire outer edge of the photoelectric conversion element.
- the thickness of the glass member is 40% or more of the thickness of the first resin member in the first direction over the entire outer edge of the photoelectric conversion element.
- the solid-state imaging device further includes a metal bump provided on the second surface of the wiring board opposite to the first surface.
- the solid-state imaging device further includes a metal wire that electrically connects the wiring of the wiring board and the photoelectric conversion element, and the metal wire is covered with the first resin member.
- FIG. 1 is a cross-sectional view showing a configuration example of a solid-state imaging device according to a first embodiment.
- FIG. 2 is a block diagram showing an example of a circuit configuration of a semiconductor chip.
- FIG. 3 is an equivalent circuit diagram showing an example of the configuration of a pixel.
- FIG. 1 is a cross-sectional view showing a configuration example of an end portion of the solid-state imaging device according to the first embodiment.
- FIG. 3 is a plan view showing an example of the arrangement of a semiconductor chip, a mold resin, and a cover glass. 7 is a graph showing the occurrence of cracks in the cover glass or peeling of the mold resin 17 with respect to the chip size of the semiconductor chip.
- FIG. 1 is a schematic diagram showing an example of a method for manufacturing a solid-state imaging device according to the present embodiment.
- 12 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device following FIG. 11.
- FIG. 13 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device, following FIG. 12.
- FIG. 14 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device following FIG. 13.
- FIG. 1 is a schematic diagram showing an example of a method for manufacturing a solid-state imaging device according to the present embodiment.
- 12 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device following FIG. 11.
- FIG. 13 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device, following FIG. 12.
- FIG. 14 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device following FIG. 13.
- FIG. 15 is a schematic diagram showing an example of a method for manufacturing a solid-state imaging device, following FIG. 14.
- FIG. 16 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device following FIG. 15.
- FIG. 17 is a schematic diagram showing an example of a method for manufacturing a solid-state imaging device, following FIG. 16.
- FIG. 18 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device following FIG. 17.
- FIG. FIG. 7 is a schematic diagram illustrating an example of a method for manufacturing a solid-state imaging device according to a second embodiment.
- FIG. 3 is a cross-sectional view showing a configuration example of a solid-state imaging device according to a second embodiment.
- FIG. 1 is a block diagram showing a schematic configuration example of a vehicle control system. The figure which shows the example of the installation position of an imaging part.
- FIG. 1 is a cross-sectional view showing a configuration example of a solid-state imaging device 1 according to the first embodiment.
- the solid-state imaging device 1 includes a wiring board 11, a semiconductor chip 12, metal bumps 14, a color filter 15, an on-chip lens 16, a mold resin 17, a cover glass 18, and a seal member 19. .
- the solid-state imaging device 1 is, for example, a CIS semiconductor package that converts incident light from a direction indicated by an arrow in the figure into an electrical signal.
- the wiring board 11 has a multilayer wiring structure (see FIG. 5) in which an insulating layer and a wiring layer are laminated.
- a semiconductor chip 12 is mounted on the first surface F1 of the wiring board 11.
- a plurality of metal bumps 14 are provided on a second surface F2 opposite to the first surface F1 of the wiring board 11 for electrical connection to an external substrate (not shown).
- the metal bumps 14 are connected to a wiring layer and electrically connected to the semiconductor chip 12 via the wiring layer or metal wire.
- a conductive material such as solder is used for the metal bump 14.
- the semiconductor chip 12 as a photoelectric conversion element has a light receiving surface that receives incident light.
- an R (red), G (green), or B (blue) color filter 15 and an on-chip lens 16 are provided.
- the cover glass 18 is provided above the semiconductor chip 12 and protects the light-receiving surface of the semiconductor chip 12.
- the cover glass 18 is made of a transparent material such as glass, silicon nitride, sapphire, or resin. The cover glass 18 allows incident light to pass through to the light receiving surface of the semiconductor chip 12.
- a sealing member 19 as a second resin member is provided between the cover glass 18 and the semiconductor chip 12 along the outer edge of the semiconductor chip 12.
- the sealing member 19 forms a space 20 between the cover glass 18 and the light receiving surface of the semiconductor chip 12.
- a resin material such as acrylic resin, styrene resin, or epoxy resin is used for the seal member 19.
- the mold resin 17 as the first resin member is provided on the side of the solid-state imaging device, and covers the side surface FS12 of the semiconductor chip 12, the side surface FS18 of the glass member 18, and the side surface FS19 of the seal member 19. Further, the mold resin 17 is provided on the first surface F1 over the outer edge of the wiring board 11. For example, resin is used for the mold resin 17.
- the space 20 is sealed by the semiconductor chip 12, the cover glass 18, and the seal member 19.
- FIG. 2 is a schematic diagram showing an example of the configuration of the semiconductor chip 12.
- the semiconductor chip 12 is, for example, a stacked chip including an upper substrate 12a and a lower substrate 12b.
- the upper substrate 12a is provided with a pixel area 21 in which pixels that perform photoelectric conversion are arranged two-dimensionally, and a control circuit 22 that controls the pixels
- the lower substrate 12b is provided with A logic circuit 23 such as a signal processing circuit that processes pixel signals output from pixels is provided.
- FIG. 2B only the pixel region 21 may be provided on the upper substrate 12a, and the control circuit 22 and the logic circuit 23 may be provided on the lower substrate 12b.
- the logic circuit 23 or one or both of the control circuit 22 and the logic circuit 23 may be provided on the lower substrate 12b that is separate from the upper substrate 12a of the pixel region 21.
- the size of the solid-state imaging device 1 can be reduced compared to the case where the pixel region 21, the control circuit 22, and the logic circuit 23 are arranged in a planar direction on one substrate.
- FIG. 3 is a block diagram showing an example of the circuit configuration of the semiconductor chip 12.
- the semiconductor chip 12 includes a pixel area 21 in which pixels 32 are arranged in a two-dimensional array, a vertical drive circuit 34, a column signal processing circuit 35, a horizontal drive circuit 36, an output circuit 37, a control circuit 38, It includes an input/output terminal 39 and the like.
- the pixel 32 includes a photodiode as a photoelectric conversion element and a plurality of pixel transistors. An example of the circuit configuration of the pixel 32 will be described later with reference to FIG. 4.
- the control circuit 38 receives an input clock and data instructing an operation mode, etc., and also outputs data such as internal information of the semiconductor chip 12. That is, the control circuit 38 generates clock signals and control signals that serve as operating standards for the vertical drive circuit 34, column signal processing circuit 35, horizontal drive circuit 36, etc., based on the vertical synchronization signal, horizontal synchronization signal, and master clock. do. The control circuit 38 outputs the generated clock signal and control signal to the vertical drive circuit 34, column signal processing circuit 35, horizontal drive circuit 36, and the like.
- the vertical drive circuit 34 is configured by, for example, a shift register, selects a predetermined pixel drive wiring 40, supplies pulses for driving the pixels 32 to the selected pixel drive wiring 40, and drives the pixels 32 in units of rows. do. That is, the vertical drive circuit 34 sequentially selectively scans each pixel 32 in the pixel region 21 in the vertical direction row by row, and generates a pixel signal based on the signal charge generated in the photoelectric conversion section of each pixel 32 according to the amount of light received. , are supplied to the column signal processing circuit 35 through the vertical signal line 41.
- the column signal processing circuit 35 is arranged for each column of pixels 32, and performs signal processing such as noise removal on the signals output from one row of pixels 32 for each pixel column.
- the column signal processing circuit 35 performs signal processing such as CDS (Correlated Double Sampling) and AD (Analogue-to-Digital) conversion to remove pixel-specific fixed pattern noise.
- the horizontal drive circuit 36 is configured by, for example, a shift register, and sequentially outputs horizontal scanning pulses to select each of the column signal processing circuits 35 in turn, and transfers pixel signals from each of the column signal processing circuits 35 to the horizontal signal line. 42.
- the output circuit 37 performs signal processing on the signals sequentially supplied from each of the column signal processing circuits 35 through the horizontal signal line 42 and outputs the processed signals.
- the output circuit 37 may perform only buffering, or may perform black level adjustment, column variation correction, various digital signal processing, etc.
- the input/output terminal 39 exchanges signals with the outside.
- the semiconductor chip 12 configured as described above is a CIS called a column AD system in which a column signal processing circuit 35 that performs CDS processing and AD conversion processing is arranged for each pixel column.
- FIG. 4 is an equivalent circuit diagram showing a configuration example of the pixel 32.
- the pixel 32 shows a configuration that realizes an electronic global shutter function.
- the pixel 32 includes a photodiode 51 as a photoelectric conversion element, a first transfer transistor 52, a memory section (MEM) 53, a second transfer transistor 54, an FD (floating diffusion region) 55, a reset transistor 56, an amplification transistor 57, and a selection transistor. 58 and a discharge transistor 59.
- the photodiode 51 is a photoelectric conversion unit that generates and accumulates charges (signal charges) according to the amount of received light.
- the anode terminal of the photodiode 51 is grounded, and the cathode terminal is connected to the memory section 53 via the first transfer transistor 52. Further, the cathode terminal of the photodiode 51 is also connected to a discharge transistor 59 for discharging unnecessary charges.
- the first transfer transistor 52 When turned on by the transfer signal TRX, the first transfer transistor 52 reads out the charge generated by the photodiode 51 and transfers it to the memory section 53.
- the memory section 53 is a charge holding section that temporarily holds charges until the charges are transferred to the FD 55.
- the second transfer transistor 54 When the second transfer transistor 54 is turned on by the transfer signal TRG, the second transfer transistor 54 reads out the charge held in the memory section 53 and transfers it to the FD 55.
- the FD 55 is a charge holding section that holds charges read out from the memory section 53 in order to read them out as signals.
- the reset transistor 56 is turned on by the reset signal RST, the electric charge accumulated in the FD 55 is discharged to the constant voltage source VDD, thereby resetting the potential of the FD 55.
- the amplification transistor 57 outputs a pixel signal according to the potential of the FD 55. That is, the amplification transistor 57 constitutes a source follower circuit with the load MOS 60 as a constant current source, and a pixel signal indicating a level corresponding to the charge accumulated in the FD 55 is transmitted from the amplification transistor 57 to a column signal via the selection transistor 58. It is output to the processing circuit 35 (FIG. 3).
- the load MOS 60 is arranged within the column signal processing circuit 35, for example.
- the selection transistor 58 is turned on when the pixel 32 is selected by the selection signal SEL, and outputs the pixel signal of the pixel 32 to the column signal processing circuit 35 via the vertical signal line 41.
- the discharge transistor 59 When turned on by the discharge signal OFG, the discharge transistor 59 discharges unnecessary charges accumulated in the photodiode 51 to the constant voltage source VDD.
- the transfer signals TRX and TRG, the reset signal RST, the discharge signal OFG, and the selection signal SEL are supplied from the vertical drive circuit 34 via the pixel drive wiring 40.
- a high-level discharge signal OFG is supplied to the discharge transistor 59, so that the discharge transistor 59 is turned on, and the charge accumulated in the photodiode 51 is discharged to the constant voltage source VDD, and all pixels are photodiode 51 is reset.
- the first transfer transistor 52 When a predetermined exposure time has elapsed, the first transfer transistor 52 is turned on by the transfer signal TRX in all pixels of the pixel region 21, and the charge accumulated in the photodiode 51 is transferred to the memory section 53. Ru.
- the charges held in the memory section 53 of each pixel 32 are sequentially read out to the column signal processing circuit 35 row by row.
- the second transfer transistor 54 of the pixel 32 in the read row is turned on by the transfer signal TRG, and the charges held in the memory section 53 are transferred to the FD 55.
- the selection transistor 58 is turned on by the selection signal SEL, a signal indicating a level corresponding to the charge accumulated in the FD 55 is output from the amplification transistor 57 to the column signal processing circuit 35 via the selection transistor 58. Ru.
- the exposure time is set to be the same for all pixels in the pixel area 21, and after the exposure is completed, the charge is temporarily held in the memory section 53, and the charge is transferred from the memory section 53 to each row.
- Global shutter type operation imaging in which charges are sequentially read out is possible.
- circuit configuration of the pixel 32 is not limited to the configuration shown in FIG. 4; for example, a circuit configuration that does not include the memory section 53 and operates using a so-called rolling shutter method may be adopted.
- the pixel 32 can also have a shared pixel structure in which a plurality of pixels share some pixel transistors.
- the first transfer transistor 52, the memory section 53, and the second transfer transistor 54 are provided in units of 32 pixels, and the FD 55, the reset transistor 56, the amplification transistor 57, and the selection transistor 58 are shared by multiple pixels such as four pixels. It can take configuration, etc.
- FIG. 5 is a cross-sectional view showing a configuration example of the end portion of the solid-state imaging device 1 according to the first embodiment.
- the wiring board 11 has a multilayer wiring structure in which an insulating layer 111 and a wiring layer 112 are laminated.
- a solder resist 114 is provided on the first surface F1 and the second surface F2 of the wiring board 11.
- the semiconductor chip 12 is bonded onto the solder resist 114 with an adhesive layer 115.
- a pad 120 is provided in an area where the solder resist 114 is not provided.
- Pad 120 is connected to wiring layer 112.
- a conductive material such as copper is used for the pad 120.
- metal bumps 14 are provided in areas where solder resist 114 is not provided. Metal bump 14 is connected to wiring layer 112.
- the wiring board 11 is provided with through vias 113.
- the through via 113 penetrates the insulating layer 111 of the wiring board 11 between the first surface F1 and the second surface F2.
- a wiring layer 112 is provided on the inner wall surface of the through via 113, and an insulating layer 111 is embedded inside the wiring layer 112.
- the wiring layer 112 on the first surface F1 side is electrically connected to the wiring layer 112 on the second surface F2 side via the through via 113.
- a conductive material such as copper is used for the wiring layer 112.
- a color filter 15 and an on-chip lens 16 are provided on the light receiving surface F12a of the semiconductor chip 12. Further, a pad 140 is provided on the light receiving surface F12a of the semiconductor chip 12, and a metal wire 130 is connected to the pad 140. Metal wire 130 electrically connects pad 140 and pad 120.
- the metal wire 130 is made of, for example, a conductive material such as a gold wire. For example, a conductive material such as copper is used for the pad 140.
- the sealing member 19 is provided between the semiconductor chip 12 and the cover glass 18 along the outer edge of the semiconductor chip 12.
- the seal member 19 covers the bonding location of the pad 140 and the metal wire 130, and protects the bonding location. Further, the sealing member 19 is provided over the entire outer edge of the semiconductor chip 12 and seals the space between the semiconductor chip 12 and the cover glass 18.
- the cover glass 18 is supported by a sealing member 19 and fixed above the light receiving surface F12a of the semiconductor chip 12.
- the mold resin 17 is provided along the outer edges of the semiconductor chip 12, the cover glass 18, and the wiring layer 112 so as to cover the side surface FS12 of the semiconductor chip 12, the side surface FS17 of the cover glass 18, and the side surface FS19 of the sealing member 19. There is. Thereby, the mold resin 17 protects the cover glass 18 and the ends of the semiconductor chip 12. Furthermore, the mold resin 17 covers the bonding locations of the pads 120 and metal wires 130, and protects the bonding locations. The mold resin 17 is provided over the entire outer edge of the semiconductor chip 12 and seals the space between the semiconductor chip 12 and the cover glass 18 .
- the end portion of the cover glass 18 protrudes in the X direction and/or the Y direction, which is substantially parallel to the light receiving surface F12a of the semiconductor chip 12.
- the protrusion width W18 of the cover glass 18 is 15% to 93% of the width W17 of the molded resin 17 in the X or Y direction.
- the protruding width W18 of the cover glass 18 is the distance from the side surface FS12 of the semiconductor chip 12 (the interface between the side surface FS12 of the semiconductor chip 12 and the molding resin 17) to the side surface FS18 of the cover glass 18 in the X or Y direction.
- the width W17 of the mold resin 17 is the distance from the side surface FS12 of the semiconductor chip 12 (the interface between the side surface FS12 of the semiconductor chip 12 and the mold resin 17) to the side surface FS17 of the mold resin 17 in the X or Y direction.
- the thickness T18 of the cover glass 18 is 40% or more of the thickness T17 of the mold resin 17 in the Z direction. Further, the thickness T18 of the cover glass 18 is equal to or less than the thickness T17 of the mold resin 17 in the Z direction.
- the thickness T18 of the cover glass 18 is the distance in the Z direction from the bottom surface of the cover glass 18 (the interface between the bottom surface of the cover glass 18 and the space 20, the sealing member 19, or the mold resin 17) to the top surface of the cover glass 18.
- the thickness T17 of the mold resin 17 is the distance in the Z direction from the bottom surface of the mold resin 17 (the interface between the bottom surface of the mold resin 17 and the first surface F1 of the wiring board 11) to the top surface of the mold resin 17. Note that the protrusion width W18 and thickness T18 of the cover glass 18 will be explained later with reference to FIG. 7.
- FIG. 6 is a plan view showing an example of the arrangement of the semiconductor chip 12, mold resin 17, and cover glass 18.
- the cover glass 18 protrudes over the entire outer edge of the light receiving surface F12a of the semiconductor chip 12 in the X and Y directions substantially parallel to the light receiving surface F12a.
- the protrusion width W18 is 15% to 93% of the width W17 of the molded resin 17 in the X or Y direction. Therefore, the mold resin 17 is provided so as to surround the semiconductor chip 12 over the cover glass 18 and the entire outer edge of the semiconductor chip 12 .
- the sealing member 19 is also provided over the entire outer edge of the cover glass 18 and the semiconductor chip 12. Therefore, the sealing member 19 and the molded resin 17 are provided over the entire outer edge of the space 20 and seal the space 20.
- FIG. 7 is a graph showing the occurrence of cracks in the cover glass 18 or peeling of the mold resin 17 with respect to the chip size of the semiconductor chip 12.
- the vertical axis indicates the length of the semiconductor chip 12 in the Y direction when viewed from the Z direction.
- the horizontal axis indicates the length of the semiconductor chip 12 in the X direction when viewed in plan from the Z direction.
- Region R2 is a region where cracks in the cover glass 18 or peeling of the mold resin 17 have not occurred.
- Region R3 is a region where cracks in the cover glass 18 or peeling of the mold resin 17 occur.
- the chip size of the semiconductor chip 12 (area of the light-receiving surface F12a) is related to cracks in the cover glass 18 in a plan view from the Z direction. When the chip size of the semiconductor chip 12 (area of the light-receiving surface F12a) is approximately 59 mm 2 or more, cracks in the cover glass 18 or peeling of the mold resin 17 are likely to occur.
- FIG. 8 is a graph showing the occurrence of cracks at the end of the cover glass 18 when the protrusion width W18 and the thickness T18 of the cover glass 18 are changed.
- the vertical axis indicates the ratio (%) of the thickness T18 of the cover glass 18 to the thickness T17 of the mold resin 17.
- the horizontal axis indicates the ratio (%) of the protrusion width W18 of the cover glass 18 to the width W17 of the mold resin 17.
- samples S1 and S2 include both a BGA (Ball Grid Array) using mold resin 17 and a BGA using potting resin.
- the protrusion width W18 of the cover glass 18 was less than 15% of W17, so there were cracks in the cover glass 18. Alternatively, peeling of the mold resin 17 has occurred.
- the protrusion width W18 of the cover glass 18 exceeds 93% of W17, so the outer periphery of the cover glass 18 is covered with the mold resin 17 due to design considerations such as glass mounting accuracy, glass size tolerance, package external size tolerance, etc. Can not. Alternatively, there is a risk that the mold resin 17 may crack or peel off when dividing the package into individual pieces. In some of the samples S1 and sample S2, the thickness T18 of the cover glass 18 exceeds 40% of T17, so cracks in the cover glass 18 or peeling of the mold resin 17 occur.
- the protrusion width W18 of the cover glass 18 is 15% to 93% of W17 and the thickness T18 of the cover glass 18 is 40% to 100% of T17, cracks in the cover glass 18 or mold resin Peeling of No. 17 is less likely to occur. That is, under the conditions within the range R1 in FIG. 8, the side stress of the cover glass 18 can be reduced, and cracks in the cover glass 18 or peeling of the mold resin 17 are less likely to occur.
- the reason why cracks in the cover glass 18 or peeling of the mold resin 17 are suppressed in this way is as follows. That is, by increasing the thickness of the cover glass 18, warpage of the cover glass 18 is suppressed against changes in the internal pressure of the space 20. When the warpage of the cover glass 18 is suppressed, concentration of stress between the end of the cover glass 18 and the mold resin 17 can be suppressed. In addition, by making the end of the cover glass 18 protrude toward the mold resin 17 side, thermal stress due to the difference in thermal expansion coefficient between the cover glass 18 and the mold resin 17 is reduced between the side surface FS18 of the cover glass 18 and the mold resin 17. concentration at the interface can be suppressed. Thereby, cracks in the cover glass 18 or peeling of the mold resin 17 can be suppressed.
- the chip size of the semiconductor chip 12 is approximately 59 mm 2 or more, it falls within the region R3 in FIG. 7, and cracks in the cover glass 18 and peeling of the mold resin 17 are likely to occur. Therefore, it is preferable that the protrusion width W18 and thickness T18 of the cover glass 18 are within the range of the region R1 in FIG. 8. Thereby, cracks in the cover glass 18 and peeling of the mold resin 17 can be suppressed.
- 9 and 10 are graphs showing the interfacial stress between the mold resin 17 and the cover glass 18.
- the vertical axis of the graph in FIG. 9 indicates the stress at the interface between the mold resin 17 and the cover glass 18.
- the horizontal axis of the graph in FIG. 9 indicates the ratio of the protrusion width W18 of the cover glass 18 to the width W17 of the mold resin 17.
- the interfacial stress between mold resin 17 and cover glass 18 increases when the difference between the coefficient of thermal expansion of mold resin 17 and the coefficient of thermal expansion of cover glass 18 is large. If the interfacial stress between the mold resin 17 and the cover glass 18 is large, it will cause the cover glass 18 to crack.
- the interfacial stress between the mold resin 17 and the cover glass 18 increases due to a reflow process (e.g., 260°C) or a thermal cycle test (e.g., -55°C) after forming the mold resin 17, and the cover glass 18 may crack or the mold resin 17 may peel off from the cover glass 18.
- a reflow process e.g., 260°C
- a thermal cycle test e.g., -55°C
- the vertical axis of the graph in FIG. 10 is the same as the vertical axis in FIG.
- the horizontal axis of the graph in FIG. 10 indicates the ratio of the thickness T18 of the cover glass 18 to the thickness T17 of the mold resin 17.
- the conditions under which cracks in the cover glass 18 or peeling of the mold resin 17 do not occur are when the chip size of the semiconductor chip 12 is approximately 59 mm 2 or more (in the area R3 in FIG. 7). ), the protrusion width W18 of the cover glass 18 is preferably 15% to 93% of W17, and the thickness T18 of the cover glass 18 is preferably 40% to 100% of T17 (within region R1 in FIG. 8). It has been found that under such conditions, cracks in the cover glass 18 or peeling of the mold resin 17 can be effectively suppressed.
- the mold resin 17 covers the side surface FS18 of the cover glass 18, as shown in FIG. Thereby, it is possible to suppress light from entering from the side surface FS18 of the cover glass 18, and to suppress flare due to diffuse reflection of light.
- FIG. 1 Method for manufacturing solid-state imaging device 1
- 11 to 18 are schematic diagrams showing an example of a method for manufacturing the solid-state imaging device 1 according to this embodiment. 11 to 18 show an end portion of the solid-state imaging device 1.
- FIG. 1 Method for manufacturing solid-state imaging device 1
- the semiconductor chip 12 is formed by dividing a semiconductor wafer processed in a pre-process of a semiconductor control process into individual pieces in a dicing process.
- the semiconductor chip 12 is bonded onto the first surface F1 of the wiring board 11 using an adhesive layer 115.
- the adhesive layer 115 for example, DAF (Die Attach Film) or the like is used.
- the adhesive layer 115 is pasted on the back surface F12b side of the semiconductor chip 12 in advance.
- the adhesive layer 115 is a liquid adhesive, and the semiconductor chip 12 may be fixed onto the wiring board 11 through a curing process using an external wire or the like.
- the semiconductor chip 12 and the wiring board 11 As shown in FIG.
- the metal wire 130 is connected to the pad 140 using the wire bonding technique.
- the semiconductor chip 12 is electrically connected to any of the wiring layers 112 of the wiring board 11.
- a seal member 19 is supplied to the outer edge of the semiconductor chip 12, and a cover glass 18 is placed on the seal member 19.
- the sealing member 19 is made of, for example, a thermoplastic resin, and covers the pad 140 and the connecting portion between the metal wire 130 and the pad 140 by heat treatment, and fixes the cover glass 18 above the light-receiving surface F12a of the semiconductor chip 12. do.
- the sealing member 19 is a liquid resin and is supplied to the pad 140 and the connection portion between the metal wire 130 and the pad 140. After placing the cover glass 18 on the sealing member 19, the sealing member 19 is solidified by curing with ultraviolet rays or the like. Thereby, the sealing member 19 covers the pad 140 and the connection portion between the metal wire 130 and the pad 140, and fixes the cover glass 18 above the light-receiving surface F12a of the semiconductor chip 12.
- the sealing member 19 fixes the cover glass 18 above the light-receiving surface F12a of the semiconductor chip 12 with a space 20 left in between. Thereby, the cover glass 18 can transmit incident light to the light receiving surface F12a without contacting the on-chip lens 16 on the light receiving surface F12a of the semiconductor chip 12.
- a mold resin 17 is supplied. Thereby, the mold resin 17 seals the pad 120, the metal wire 130, and the connection portion thereof.
- FIG. 15 shows a wiring board 11 on which a plurality of semiconductor chips 12 are mounted before resin sealing.
- FIG. 16 shows the wiring board 11 after resin sealing.
- the molding resin 17 is not supplied to the surface of the cover glass 18 but embeds between adjacent semiconductor chips 12 or between adjacent cover glasses 18 .
- the metal wire 130 and the like are protected by the mold resin 17 without adhering the mold resin 17 to the surface of the cover glass 18.
- the mold resin 17 is cured in a curing process.
- metal bumps 14 are formed on the second surface F2 side of the wiring board 11.
- the wiring board 11 is cut from the second surface F2 side of the wiring board 11 using the dicing blade 80. As a result, each semiconductor chip 12 is separated into individual pieces, and the package of the solid-state imaging device 1 shown in FIG. 1 or 5 is completed.
- FIG. 19 is a schematic diagram showing an example of a method for manufacturing the solid-state imaging device 1 according to the second embodiment.
- the semiconductor chip 12 and the like are sealed with the mold resin 17 using a molding technique.
- the resin 17 is formed by a potting method in the steps shown in FIGS. 15 and 16. That is, a liquid resin is supplied (potted) between adjacent semiconductor chips 12 or between adjacent cover glasses 18 on the wiring board 11, and is cured by ultraviolet rays or the like. As a result, the resin 17 is embedded between adjacent semiconductor chips 12 or between adjacent cover glasses 18. That is, a structure equivalent to the structure shown in FIGS. 14 and 16 is obtained.
- the surface of the liquid resin does not become flat due to surface tension and is not flush with the surface of the cover glass 18.
- the resin 17 has an inclined surface TP that is inclined diagonally downward from the surface of the cover glass 18.
- Other steps in the second embodiment may be the same as those in the first embodiment.
- FIG. 20 is a cross-sectional view showing a configuration example of the solid-state imaging device 1 according to the second embodiment.
- the resin 17 formed by the potting method effects similar to those described with reference to FIGS. 7 to 10 can be obtained. Note that since the resin 17 covers the side surface FS18 of the cover glass 18, it has the effect of suppressing flare.
- the technology according to the present disclosure (this technology) can be applied to various products.
- the technology according to the present disclosure may be realized as a device mounted on any type of moving body such as a car, electric vehicle, hybrid electric vehicle, motorcycle, bicycle, personal mobility, airplane, drone, ship, robot, etc. You can.
- FIG. 21 is a block diagram showing a schematic configuration example of a vehicle control system, which is an example of a mobile object control system to which the technology according to the present disclosure can be applied.
- the vehicle control system 12000 includes a plurality of electronic control units connected via a communication network 12001.
- the vehicle control system 12000 includes a drive system control unit 12010, a body system control unit 12020, an outside vehicle information detection unit 12030, an inside vehicle information detection unit 12040, and an integrated control unit 12050.
- a microcomputer 12051, an audio/image output section 12052, and an in-vehicle network I/F (Interface) 12053 are illustrated as the functional configuration of the integrated control unit 12050.
- the drive system control unit 12010 controls the operation of devices related to the drive system of the vehicle according to various programs.
- the drive system control unit 12010 includes a drive force generation device such as an internal combustion engine or a drive motor that generates drive force for the vehicle, a drive force transmission mechanism that transmits the drive force to wheels, and a drive force transmission mechanism that controls the steering angle of the vehicle. It functions as a control device for a steering mechanism to adjust and a braking device to generate braking force for the vehicle.
- the body system control unit 12020 controls the operations of various devices installed in 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 a headlamp, a back lamp, a brake lamp, a turn signal, or a fog lamp.
- radio waves transmitted from a portable device that replaces a key or signals from various switches may be input to the body control unit 12020.
- the body system control unit 12020 receives input of these radio waves or signals, and controls the door lock device, power window device, lamp, etc. of the vehicle.
- the external information detection unit 12030 detects information external to the vehicle in which the vehicle control system 12000 is mounted.
- an imaging section 12031 is connected to the outside-vehicle information detection unit 12030.
- the vehicle exterior information detection unit 12030 causes the imaging unit 12031 to capture an image of the exterior of the vehicle, and receives the captured image.
- the external information detection unit 12030 may perform object detection processing such as a person, car, obstacle, sign, or text on the road surface or distance detection processing based on the received image.
- the imaging unit 12031 is an optical sensor that receives light and outputs an electrical signal according to the amount of received light.
- the imaging unit 12031 can output the electrical signal as an image or as distance measurement information.
- the light received by the imaging unit 12031 may be visible light or non-visible light such as infrared rays.
- the in-vehicle information detection unit 12040 detects in-vehicle information.
- a driver condition detection section 12041 that detects the condition of the driver is connected to the in-vehicle information detection unit 12040.
- the driver condition detection unit 12041 includes, for example, a camera that images the driver, and the in-vehicle information detection unit 12040 detects the degree of fatigue or concentration of the driver based on the detection information input from the driver condition detection unit 12041. It may be calculated, or it may be determined whether the driver is falling asleep.
- the microcomputer 12051 calculates control target values for the driving force generation device, steering mechanism, or braking device based on information inside and outside the vehicle acquired by the vehicle exterior information detection unit 12030 or the vehicle interior information detection unit 12040, and calculates control target values for the drive force generation device, steering mechanism, or braking device. Control commands can be output to 12010.
- the microcomputer 12051 implements ADAS (Advanced Driver Assistance System) functions, including vehicle collision avoidance or shock mitigation, following distance based on vehicle distance, vehicle speed maintenance, vehicle collision warning, vehicle lane departure warning, etc. It is possible to perform cooperative control for the purpose of ADAS (Advanced Driver Assistance System) functions, including vehicle collision avoidance or shock mitigation, following distance based on vehicle distance, vehicle speed maintenance, vehicle collision warning, vehicle lane departure warning, etc. 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, steering mechanism, braking device, etc. based on information about the surroundings of the vehicle acquired by the vehicle exterior information detection unit 12030 or the vehicle interior information detection unit 12040. It is possible to perform cooperative control for the purpose of autonomous driving, etc., which does not rely on operation.
- the microcomputer 12051 can output a control command to the body system control unit 12030 based on the information outside the vehicle acquired by the outside information detection unit 12030.
- the microcomputer 12051 controls the headlamps according to the position of the preceding vehicle or oncoming vehicle detected by the vehicle exterior information detection unit 12030, and performs cooperative control for the purpose of preventing glare, such as switching from high beam to low beam. It can be carried out.
- the audio and image output unit 12052 transmits an output signal of at least one of audio and images to an output device that can visually or audibly notify information to the occupants of the vehicle or to the outside of the vehicle.
- an audio speaker 12061, a display section 12062, and an instrument panel 12063 are illustrated as output devices.
- the display unit 12062 may include, for example, at least one of an on-board display and a head-up display.
- FIG. 22 is a diagram showing an example of the installation position of the imaging section 12031.
- the imaging unit 12031 includes imaging units 12101, 12102, 12103, 12104, and 12105.
- the imaging units 12101, 12102, 12103, 12104, and 12105 are provided at, for example, the front nose of the vehicle 12100, the side mirrors, the rear bumper, the back door, and the upper part of the windshield inside the vehicle.
- An imaging unit 12101 provided in the front nose and an imaging unit 12105 provided above the windshield inside the vehicle mainly acquire images in front of the vehicle 12100.
- Imaging units 12102 and 12103 provided in the side mirrors mainly capture images of the sides of the vehicle 12100.
- An imaging unit 12104 provided in the rear bumper or back door mainly captures images of the rear of the vehicle 12100.
- the imaging unit 12105 provided above the windshield inside the vehicle is mainly used to detect preceding vehicles, pedestrians, obstacles, traffic lights, traffic signs, lanes, and the like.
- FIG. 22 shows an example of the imaging range of the imaging units 12101 to 12104.
- An imaging range 12111 indicates the imaging range of the imaging unit 12101 provided on the front nose
- imaging ranges 12112 and 12113 indicate imaging ranges of the imaging units 12102 and 12103 provided on the side mirrors, respectively
- an imaging range 12114 shows the imaging range of the imaging unit 12101 provided on the front nose.
- the imaging range of the imaging unit 12104 provided in the rear bumper or back door is shown. For example, by overlapping the image data captured by the imaging units 12101 to 12104, an overhead image of the vehicle 12100 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 imaging units 12101 to 12104 may be a stereo camera including a plurality of image sensors, or may be an image sensor having pixels for phase difference detection.
- the microcomputer 12051 determines the distance to each three-dimensional object within the imaging ranges 12111 to 12114 and the temporal change in this distance (relative speed with respect to the vehicle 12100) based on the distance information obtained from the imaging units 12101 to 12104. By determining the following, it is possible to extract, in particular, the closest three-dimensional object on the path of vehicle 12100, which is traveling at a predetermined speed (for example, 0 km/h or more) in approximately the same direction as vehicle 12100, as the preceding vehicle. can. Furthermore, the microcomputer 12051 can set an inter-vehicle distance to be secured in advance in front of the preceding vehicle, and perform automatic brake 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 cooperative control for the purpose of autonomous driving, etc., in which the vehicle travels autonomously without depending on the driver's operation.
- automatic brake control including follow-up stop control
- automatic acceleration control including follow-up start control
- the microcomputer 12051 transfers three-dimensional object data to other three-dimensional objects such as two-wheeled vehicles, regular vehicles, large vehicles, pedestrians, and utility poles based on the distance information obtained from the imaging units 12101 to 12104. It can be classified and extracted and used for automatic obstacle avoidance. For example, the microcomputer 12051 identifies obstacles around the vehicle 12100 into obstacles that are visible to the driver of the vehicle 12100 and obstacles that are difficult to see. Then, the microcomputer 12051 determines a collision risk indicating the degree of risk of collision with each obstacle, and when the collision risk exceeds a set value and there is a possibility of a collision, the microcomputer 12051 transmits information via the audio speaker 12061 and the display unit 12062. By outputting a warning to the driver via the vehicle control unit 12010 and performing forced deceleration and avoidance steering via the drive system control unit 12010, driving support for collision avoidance can be provided.
- the microcomputer 12051 determines a collision risk indicating the degree of risk of collision with each obstacle, and when the collision risk exceed
- 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 the pedestrian is present in the images captured by the imaging units 12101 to 12104.
- pedestrian recognition involves, for example, a procedure for extracting feature points in images captured by the imaging units 12101 to 12104 as infrared cameras, and a pattern matching process is performed on a series of feature points indicating the outline of an object to determine whether it is a pedestrian or not.
- the audio image output unit 12052 creates a rectangular outline for emphasis on the recognized pedestrian.
- the display unit 12062 is controlled to display the .
- the audio image output unit 12052 may also control the display unit 12062 to display an icon or the like indicating a pedestrian at a desired position.
- the present technology can have the following configuration.
- a photoelectric conversion element having a light-receiving surface; a glass member provided above the light receiving surface; a first resin member that covers a side surface of the photoelectric conversion element and a side surface of the glass member;
- the area of the photoelectric conversion element is 59 mm 2 or more,
- the glass member protrudes beyond the photoelectric conversion element by a first width of 15% to 93% of the width of the first resin member in a second direction substantially parallel to the light receiving surface
- the thickness of the glass member is 40% or more of the thickness of the first resin member in the first direction.
- the glass member protrudes beyond the photoelectric conversion element by the first width in the second direction over the entire outer edge of the photoelectric conversion element.
- Imaging device. (7) According to any one of (1) to (6), the thickness of the glass member is 40% or more of the thickness of the first resin member in the first direction over the entire outer edge of the photoelectric conversion element.
- Solid-state imaging device. (8) further comprising a wiring board on which the photoelectric conversion element is mounted on a first surface; The solid-state imaging device according to any one of (1) to (7), wherein the first resin member is provided on the surface of the wiring board so as to surround the photoelectric conversion element.
- the solid-state imaging device according to (8) further comprising a metal bump provided on a second surface of the wiring board opposite to the first surface. (10) further comprising a metal wire electrically connecting between the wiring of the wiring board and the photoelectric conversion element, The solid-state imaging device according to (8) or (9), wherein the metal wire is covered with the first resin member.
Landscapes
- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
図1は、第1実施形態による固体撮像装置1の構成例を示す断面図である。固体撮像装置1は、配線基板11と、半導体チップ12と、金属バンプ14と、カラーフィルタ15と、オンチップレンズ16と、モールド樹脂17と、カバーガラス18と、シール部材19とを備えている。固体撮像装置1は、例えば、図中の矢印で示される方向からの入射光を電気信号へ変換するCISの半導体パッケージである。
図11~図18は、本実施形態による固体撮像装置1の製造方法の一例を示す概略図である。図11~図18は、固体撮像装置1の端部を示している。
図19は、第2実施形態による固体撮像装置1の製造方法の一例を示す概略図である。第1実施形態の製造方法では、金型成形技術を用いて半導体チップ12等をモールド樹脂17で封止している。これに対し、第2実施形態では、図15~図16に示す工程において、樹脂17は、ポッティング法によって形成される。即ち、液体樹脂を、配線基板11上において隣接する半導体チップ12間あるいは隣接するカバーガラス18間に供給し(ポッティングし)、紫外線等でキュアすることによって硬化させる。これにより、樹脂17が、隣接する半導体チップ12間あるいは隣接するカバーガラス18間に埋め込まれる。即ち、図14および図16に示す構造と同等の構造が得られる。ただし、ポッティング法の場合、液体樹脂の表面が表面張力により平坦にならず、カバーガラス18の表面と面一にはならない。例えば、ポッティング法の場合、樹脂17は、カバーガラス18の表面から斜め下方へ傾斜した傾斜面TPを有する。第2実施形態のその他の工程は、第1実施形態の構成と同様でよい。
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)
受光面を有する光電変換素子と、
前記受光面の上方に設けられたガラス部材と、
前記光電変換素子の側面および前記ガラス部材の側面を被覆する第1樹脂部材とを備え、
前記受光面に対して略垂直の第1方向から見た平面視において、前記光電変換素子の面積は、59mm2以上であり、
前記ガラス部材は、前記受光面に対して略平行な第2方向へ、前記第1樹脂部材の幅の15%~93%の第1幅だけ前記光電変換素子よりも突出しており、
前記ガラス部材の厚みは、前記第1方向における前記第1樹脂部材の厚みの40%以上である、固体撮像装置。
(2)
前記ガラス部材の側面は、前記第1樹脂部材で被覆されている、(1)に記載の固体撮像装置。
(3)
前記ガラス部材の厚みは、前記第1樹脂部材の厚み以下である、(1)または(2)に記載の固体撮像装置。
(4)
前記光電変換素子の外縁において前記ガラス部材と前記光電変換素子との間に設けられ、前記ガラス部材と前記光電変換素子との間に空間を形成する第2樹脂部材をさらに備える、(1)から(3)のいずれか一項に記載の固体撮像装置。
(5)
前記第1および第2樹脂部材は、前記光電変換素子の外縁全体に設けられ、前記空間を密閉している、(4)に記載の固体撮像装置。
(6)
前記ガラス部材は、前記光電変換素子の外縁全体において、前記第2方向へ前記第1幅だけ前記光電変換素子よりも突出している、(1)から(5)のいずれか一項に記載の固体撮像装置。
(7)
前記ガラス部材の厚みは、前記光電変換素子の外縁全体において、前記第1方向における前記第1樹脂部材の厚みの40%以上である、(1)から(6)のいずれか一項に記載の固体撮像装置。
(8)
第1面に前記光電変換素子を搭載する配線基板をさらに備え、
前記第1樹脂部材は、前記光電変換素子の周囲を取り囲むように前記配線基板の表面上に設けられている、(1)から(7)のいずれか一項に記載の固体撮像装置。
(9)
前記第1面とは反対側の前記配線基板の第2面に設けられた金属バンプをさらに備える、(8)に記載の固体撮像装置。
(10)
前記配線基板の配線と前記光電変換素子との間を電気的に接続する金属ワイヤをさらに備え、
前記金属ワイヤは、前記第1樹脂部材によって被覆されている、(8)または(9)に記載の固体撮像装置。
Claims (10)
- 受光面を有する光電変換素子と、
前記受光面の上方に設けられたガラス部材と、
前記光電変換素子の側面および前記ガラス部材の側面を被覆する第1樹脂部材とを備え、
前記受光面に対して略垂直の第1方向から見た平面視において、前記光電変換素子の面積は、59mm2以上であり、
前記ガラス部材は、前記受光面に対して略平行な第2方向へ、前記第1樹脂部材の幅の15%~93%の第1幅だけ前記光電変換素子よりも突出しており、
前記ガラス部材の厚みは、前記第1方向における前記第1樹脂部材の厚みの40%以上である、固体撮像装置。 - 前記ガラス部材の側面は、前記第1樹脂部材で被覆されている、請求項1に記載の固体撮像装置。
- 前記ガラス部材の厚みは、前記第1樹脂部材の厚み以下である、請求項1に記載の固体撮像装置。
- 前記光電変換素子の外縁において前記ガラス部材と前記光電変換素子との間に設けられ、前記ガラス部材と前記光電変換素子との間に空間を形成する第2樹脂部材をさらに備える、請求項1に記載の固体撮像装置。
- 前記第1および第2樹脂部材は、前記光電変換素子の外縁全体に設けられ、前記空間を密閉している、請求項4に記載の固体撮像装置。
- 前記ガラス部材は、前記光電変換素子の外縁全体において、前記第2方向へ前記第1幅だけ前記光電変換素子よりも突出している、請求項1に記載の固体撮像装置。
- 前記ガラス部材の厚みは、前記光電変換素子の外縁全体において、前記第1方向における前記第1樹脂部材の厚みの40%以上である、請求項1に記載の固体撮像装置。
- 第1面に前記光電変換素子を搭載する配線基板をさらに備え、
前記第1樹脂部材は、前記光電変換素子の周囲を取り囲むように前記配線基板の表面上に設けられている、請求項1に記載の固体撮像装置。 - 前記第1面とは反対側の前記配線基板の第2面に設けられた金属バンプをさらに備える、請求項8に記載の固体撮像装置。
- 前記配線基板の配線と前記光電変換素子との間を電気的に接続する金属ワイヤをさらに備え、
前記金属ワイヤは、前記第1樹脂部材によって被覆されている、請求項8に記載の固体撮像装置。
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| US18/878,927 US20250386602A1 (en) | 2022-07-14 | 2023-05-22 | Solid-state imaging device |
| CN202380044729.6A CN119498034A (zh) | 2022-07-14 | 2023-05-22 | 固体摄像装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014072829A (ja) * | 2012-10-01 | 2014-04-21 | Nikon Corp | 中空パッケージ用容器及びその製造方法 |
| WO2017014072A1 (ja) * | 2015-07-23 | 2017-01-26 | ソニー株式会社 | 半導体装置およびその製造方法、並びに電子機器 |
| JP2022023664A (ja) * | 2020-07-27 | 2022-02-08 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置及び固体撮像装置の製造方法並びに電子機器 |
-
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- 2023-05-22 US US18/878,927 patent/US20250386602A1/en active Pending
- 2023-05-22 WO PCT/JP2023/018943 patent/WO2024014134A1/ja not_active Ceased
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014072829A (ja) * | 2012-10-01 | 2014-04-21 | Nikon Corp | 中空パッケージ用容器及びその製造方法 |
| WO2017014072A1 (ja) * | 2015-07-23 | 2017-01-26 | ソニー株式会社 | 半導体装置およびその製造方法、並びに電子機器 |
| JP2022023664A (ja) * | 2020-07-27 | 2022-02-08 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置及び固体撮像装置の製造方法並びに電子機器 |
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