WO2016002576A1 - 固体撮像素子、および電子装置 - Google Patents
固体撮像素子、および電子装置 Download PDFInfo
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- WO2016002576A1 WO2016002576A1 PCT/JP2015/067981 JP2015067981W WO2016002576A1 WO 2016002576 A1 WO2016002576 A1 WO 2016002576A1 JP 2015067981 W JP2015067981 W JP 2015067981W WO 2016002576 A1 WO2016002576 A1 WO 2016002576A1
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- Prior art keywords
- photoelectric conversion
- solid
- imaging device
- state imaging
- incident light
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- 238000003384 imaging method Methods 0.000 title claims abstract description 70
- 238000006243 chemical reaction Methods 0.000 claims abstract description 130
- 239000003086 colorant Substances 0.000 claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 4
- 238000001459 lithography Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical class O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical class O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14643—Photodiode arrays; MOS imagers
- H01L27/14645—Colour imagers
- H01L27/14647—Multicolour imagers having a stacked pixel-element structure, e.g. npn, npnpn or MQW elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/1462—Coatings
- H01L27/14623—Optical shielding
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14625—Optical elements or arrangements associated with the device
- H01L27/14629—Reflectors
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- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14636—Interconnect structures
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/1464—Back illuminated imager structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present disclosure relates to a solid-state imaging device and an electronic device, and in particular, an R component signal, a G component signal, and a B component signal corresponding to each wavelength of the three primary colors R, G, and B can be obtained in one pixel.
- the present invention relates to a solid-state imaging device and an electronic apparatus.
- solid-state imaging devices typified by CMOS image sensors have a tendency to reduce the size of each pixel for the purpose of increasing the number of pixels. In this case, the number of photons incident on each pixel decreases, so the sensitivity The lowering of S and N is a problem.
- each pixel is covered with an R, G, or B color filter.
- a pixel covered with an R color filter hereinafter referred to as an R pixel.
- R pixel a pixel covered with an R color filter
- G pixel and B pixel only the R component of the incident light is used for photoelectric conversion, and the G component and B component of the incident light are not used for photoelectric conversion. There was a loss.
- the R pixel can generate an R component signal, but cannot generate a G component signal and a B component signal. Therefore, these are interpolated using outputs of neighboring G pixels or B pixels. A color could occur.
- the present disclosure has been made in view of such a situation, and prevents entry of incident light from adjacent pixels, and can suppress color mixing, a decrease in resolution, and a decrease in sensitivity.
- the solid-state imaging device is a solid-state imaging device in which a plurality of pixels are arranged vertically and horizontally, and each pixel is photoelectrically activated according to incident light having a first wavelength of the three primary colors of light.
- a first photoelectric conversion unit that performs conversion a second photoelectric conversion unit that performs photoelectric conversion in response to incident light having a second wavelength of the three primary colors of light, and a third of the three primary colors of light.
- a third photoelectric conversion unit that performs photoelectric conversion according to incident light of a wavelength, and at the boundary between adjacent pixels, at least one of the first to third photoelectric conversion units in the adjacent pixels
- An electrode wiring is provided for connecting the two electrodes in the horizontal direction and for connecting in the vertical direction with at least one of the first to third photoelectric conversion units in each pixel.
- At least one of the first to third photoelectric conversion units may be configured by a photoelectric conversion film and a lower electrode and an upper electrode sandwiching the photoelectric conversion film, and the electrode wiring may be formed in the adjacent pixel. At least one of the upper electrodes of the first to third photoelectric conversion units can be connected in the lateral direction.
- the electrode wiring can horizontally connect the upper electrodes of the first to third photoelectric conversion units in adjacent pixels.
- the electrode wiring can connect the upper electrodes of the first to third photoelectric conversion units in each pixel in the vertical direction.
- At least one of the first to third photoelectric conversion units can be a photoelectric conversion layer formed in the Si layer.
- the solid-state imaging device may further include a reflective film layer that reflects incident light on a lower layer side of the first to third photoelectric conversion units.
- the electrode wiring can shield the optical black area.
- the electrode wiring can be made of a metal material.
- the solid-state image sensor can be a back-illuminated type.
- the solid-state image sensor can be a surface irradiation type.
- the solid-state image sensor can be a multi-pixel shared type.
- the solid-state imaging device can be a stacked type.
- the electronic device is an electronic device including a solid-state imaging device in which a plurality of pixels are arranged vertically and horizontally, and each pixel of the solid-state imaging device is one of the three primary colors of light.
- a first photoelectric conversion unit that performs photoelectric conversion according to incident light having a first wavelength
- a second photoelectric conversion unit that performs photoelectric conversion according to incident light having a second wavelength among the three primary colors of light
- a third photoelectric conversion unit that performs photoelectric conversion according to incident light having a third wavelength among the three primary colors of light, and the first to the first pixels in adjacent pixels are arranged at the boundary between adjacent pixels.
- An electrode wiring for connecting at least one electrode of the third photoelectric conversion units in the horizontal direction and for connecting with at least one electrode of the first to third photoelectric conversion units in each pixel in the vertical direction. Is provided.
- FIG. 16 is a cross-sectional view illustrating Modification 1-2 of the solid-state imaging device to which the present disclosure is applied.
- FIG. 16 is a cross-sectional view illustrating Modification 1-3 of the solid-state imaging device to which the present disclosure is applied.
- FIG. 1 shows a cross-sectional view of two pixels of a solid-state imaging device according to an embodiment of the present disclosure.
- FIG. 2 shows a top view of four pixels of the solid-state imaging device.
- the solid-state imaging device 10 includes a wiring layer 11, a Si layer 12, a photoelectric conversion film 15 ⁇ / b> R, a photoelectric conversion film 15 ⁇ / b> G, a photoelectric conversion film 15 ⁇ / b> B on a Si substrate (not shown) from the lower layer side. And the on-chip lens 19 is laminated
- a power supply unit 13 an FD, and the like are formed.
- An insulating film made of SiN or the like is formed between the photoelectric conversion film 15R, the photoelectric conversion film 15G, and the photoelectric conversion film 15B.
- the photoelectric conversion film 15R generates an R component signal by photoelectric conversion in accordance with the R component of incident light.
- the lower electrode 14R is formed on the lower layer surface, and the upper electrode 16R is formed on the upper layer surface. .
- the lower electrode 14R is connected to the power supply unit 13 via the lower electrode wiring 17R.
- the upper electrode 16R is connected to the Si layer 12 via the upper electrode wiring 18.
- the photoelectric conversion film 15G generates a G component signal by photoelectric conversion in accordance with the G component of the incident light.
- the lower electrode 14G is formed on the lower layer surface, and the upper electrode 16G is formed on the upper layer surface. Has been.
- the lower electrode 14G is connected to the power supply unit 13 via the lower electrode wiring 17G.
- the upper electrode 16G is connected to the Si layer 12 via the upper electrode wiring 18.
- the photoelectric conversion film 15B generates a B component signal by photoelectric conversion in accordance with the B component of incident light.
- the lower electrode 14B is formed on the lower layer surface, and the upper electrode 16B is formed on the upper layer surface. .
- the lower electrode 14B is connected to the power supply unit 13 via the lower electrode wiring 17B.
- the upper electrode 16B is connected to the Si layer 12 via the upper electrode wiring 18.
- the upper electrode wiring 18 is made of a metal material, and is provided at the boundary between adjacent pixels as shown in FIGS. As described above, the upper electrode wiring 18 connects the upper electrodes 16R, 16G, and 16B and the Si layer 12, and also connects the upper electrodes 16R of the adjacent pixels, the upper electrodes 16G, and the upper electrodes 16B. .
- the upper electrode wiring 18 formed in this way acts as a light shielding wall around each pixel, condenses incident light on each pixel on the pixel, and leaks incident light on each pixel to an adjacent pixel. Is suppressed. Also, it acts as a light shielding layer between the photoelectric conversion films 15R, 15B, 15B. Therefore, in the solid-state imaging device 10, it is possible to suppress color mixing, a reduction in resolution, and a reduction in sensitivity due to the entrance of incident light from adjacent pixels.
- FIG. 3 and FIG. 4 show processes for one layer (lower electrode 14R, photoelectric conversion film 15R, and upper electrode 16R) corresponding to the R component of incident light in the manufacturing process of the solid-state imaging device 10. It is sectional drawing. By repeating this process for three layers, the solid-state imaging device 10 is manufactured.
- a wiring layer 11 is formed on the Si substrate, and an upper layer is formed thereon.
- An SO 2 film is formed as an insulating film.
- the insulating film is patterned by lithography, and the wiring layer 11 is processed by dry etching or the like to embed a metal such as Ti, TiN, W, or Cu to be the lower electrode wiring 17R.
- an organic film to be the photoelectric conversion film 15R, an upper electrode 16R made of ITO, and an insulating film such as SiN are formed.
- a portion to be the upper electrode wiring 18 is patterned by lithography and then processed by dry etching or the like, and a metal such as Cu is embedded as the upper electrode wiring 18. .
- the solid-state imaging device 10 in which the photoelectric conversion layers are stacked in three layers can be manufactured by repeating the process described above twice more.
- FIG. 5 illustrates another configuration example (modification example 1) of the solid-state imaging device 10 according to the embodiment of the present disclosure.
- the upper electrode wiring 18 connected to the upper electrodes 16R, 16G, and 16B in the pixels located in the optical black region provided at the end of the solid-state imaging device 10 is extended in the horizontal direction.
- the photoelectric conversion regions 15R, 15G, and 15B of the pixels are formed so as to be shielded from light. This can prevent light from entering the photoelectric conversion regions 15R, 15G, and 15B of the pixel. That is, the upper electrode wiring 18 can also serve as a light shield for the Optical / Black region.
- FIG. 6 shows a configuration example (Modification 1-2) obtained by further modifying Modification 1 shown in FIG.
- the upper electrode wiring 18 connected to the upper electrode 16B is extended in the horizontal direction in the pixel located in the optical black region provided at the end of the solid-state imaging device 10, and the pixel of the pixel It is formed so as to cover the entire photoelectric conversion region 15R. This can prevent light from entering not only the photoelectric conversion region 15R but also the photoelectric conversion regions 15G and 15B of the pixel, so that the upper electrode wiring 18 connected to the upper electrodes 16R and 16G extends in the horizontal direction. Not.
- FIG. 7 shows a configuration example (modified example 1-3) in which the modified example 1 shown in FIG. 5 is further modified.
- the upper electrode wiring 18 connected to the upper electrode 16B in the pixel located in the optical black region provided at the end of the solid-state imaging device 10 is extended in the horizontal direction to detect the photoelectric of the pixel.
- the upper electrode wiring 18 formed so as to cover the entire conversion region 15R and connected to the upper electrodes 16G and 16R is formed so as to partially cover the photoelectric conversion regions 15G and 15R of the pixel. Thereby, it is possible to prevent light from entering the photoelectric conversion region 15R of the pixel. Further, the dark current in the Optical-Black region can be adjusted by appropriately adjusting the area covering the photoelectric conversion regions 15G and 15R by the upper electrode wiring 18.
- FIG. 8 shows still another configuration example (modification example 2) of the solid-state imaging device 10 according to the embodiment of the present disclosure.
- Modification 2 is obtained by additionally forming a highly reflective film layer 21 between the Si layer 12 and the lower electrode 14R as compared with the configuration example of FIG.
- the high reflection film layer 21 may also serve as the lower electrode wirings 17R, 17G, and 17B. Since the high reflection film layer 21 is added, incident light can be reflected upward, so that sensitivity can be further increased.
- FIG. 9 shows still another configuration example (modification example 3) of the solid-state imaging device 10 according to the embodiment of the present disclosure.
- a photoelectric conversion layer 31R that generates an R component signal in accordance with the R component of incident light is provided inside the Si layer 12.
- a photoelectric conversion layer that generates a G component signal according to the R component of incident light is provided inside the Si layer 12, or a Si layer is used instead of the photoelectric conversion film 15B. 12 may be provided with a photoelectric conversion layer that generates a B component signal in accordance with the B component of incident light.
- FIG. 10 shows still another configuration example (modification example 4) of the solid-state imaging device 10 according to the embodiment of the present disclosure.
- Modification 4 instead of the photoelectric conversion film 15R and the photoelectric conversion film 15B in the configuration example of FIG. 1, a photoelectric conversion layer 41R that generates an R component signal in accordance with the R component of incident light in the Si layer 12 A photoelectric conversion layer 41B that generates a B component signal according to the B component of incident light is provided.
- the lower electrode 14 and the upper electrode 16 provided on the upper layer side are provided on the lower layer side of the photoelectric conversion film 15 instead. Can be omitted.
- the solid-state imaging device 10 according to the present embodiment is a backside illumination type
- the present disclosure can be applied to a front-side illumination type solid-state imaging device.
- the present disclosure can be applied to either a 3-transistor type or a 4-transistor type solid-state imaging device.
- the present disclosure can also be applied to a solid-state imaging device that shares an FD or the like with a plurality of pixels, such as a 4-pixel shared CMOS image sensor 50 shown in FIG.
- the present disclosure relates to a stacked CMOS image sensor 60 in which a substrate 61 on which a sensor circuit 62 is formed and a substrate 64 on which a logic circuit 63 is formed, as shown in FIG. Even applicable.
- the solid-state image sensor 10 which is this Embodiment is applicable not only to an imaging device but to all kinds of electronic devices having an imaging function.
- this indication can also take the following structures.
- a solid-state imaging device in which a plurality of pixels are arranged vertically and horizontally, Each pixel is A first photoelectric conversion unit that performs photoelectric conversion according to incident light having a first wavelength of the three primary colors of light; A second photoelectric conversion unit that performs photoelectric conversion according to incident light having a second wavelength among the three primary colors of light; A third photoelectric conversion unit that performs photoelectric conversion according to incident light of a third wavelength of the three primary colors of light; At the boundary between adjacent pixels, at least one electrode of the first to third photoelectric conversion units in the adjacent pixels is connected in the lateral direction, and the first to third photoelectric conversion units in each pixel are connected.
- a solid-state imaging device comprising electrode wiring connected in the vertical direction to at least one electrode of the conversion unit.
- At least one of the first to third photoelectric conversion units includes a photoelectric conversion film and a lower electrode and an upper electrode that sandwich the photoelectric conversion film,
- At least one of the first to third photoelectric conversion units is a photoelectric conversion layer formed in a Si layer.
- the solid-state imaging device is a multi-pixel sharing type.
- Each pixel of the solid-state image sensor is A first photoelectric conversion unit that performs photoelectric conversion according to incident light having a first wavelength of the three primary colors of light; A second photoelectric conversion unit that performs photoelectric conversion according to incident light having a second wavelength among the three primary colors of light; A third photoelectric conversion unit that performs photoelectric conversion according to incident light of a third wavelength of the three primary colors of light; At the boundary between adjacent pixels, at least one electrode of the first to third photoelectric conversion units in the adjacent pixels is connected in the lateral direction, and the first to third photoelectric conversion units in each pixel are connected.
- An electronic device comprising electrode wiring connected in the vertical direction to at least one electrode of the conversion unit.
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Abstract
Description
図1は、本開示の実施の形態である固体撮像素子の2画素分の断面図を示している。図2は、該固体撮像素子の4画素分の上面図を示している。
次に、図3および図4は、固体撮像素子10の製造工程のうち、入射光のR成分に対応する1層分(下部電極14R、光電変換膜15R、および上部電極16R)の工程を示す断面図である。この工程を3層分繰り返すことにより、固体撮像素子10が製造される。
図5は、本開示の実施の形態である固体撮像素子10の他の構成例(変形例1)を示している。
本実施の形態である固体撮像素子10は裏面照射型であるが、本開示は、表面照射型の固体撮像素子に対しても適用できる。
(1)
複数の画素が縦横に配置された固体撮像素子において、
各画素が、
光の3原色のうちの第1の波長の入射光に応じて光電変換を行う第1の光電変換部と、
光の3原色のうちの第2の波長の入射光に応じて光電変換を行う第2の光電変換部と、
光の3原色のうちの第3の波長の入射光に応じて光電変換を行う第3の光電変換部と
を有し、
隣接する画素間の境界には、隣接する画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの電極どうしを横方向に接続するとともに、各画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの電極と縦方向に接続する電極配線を備える
固体撮像素子。
(2)
前記第1乃至第3の光電変換部のうちの少なくとも一つは、光電変換膜と前記光電変換膜を挟む下部電極および上部電極から構成され、
前記電極配線は、隣接する画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの前記上部電極どうしを横方向に接続する
前記(1)に記載の固体撮像素子。
(3)
前記電極配線は、隣接する画素における前記第1乃至第3の光電変換部のそれぞれの前記上部電極どうしを横方向に接続する
前記(2)に記載の固体撮像素子。
(4)
前記電極配線は、各画素における前記第1乃至第3の光電変換部のそれぞれの前記上部電極を縦方向に接続する
前記(2)または(3)に記載の固体撮像素子。
(5)
前記第1乃至第3の光電変換部のうちの少なくとも一つは、Si層の中に形成された光電変換層である
前記(1)から(4)のいずれかに記載の固体撮像素子。
(6)
前記第1乃至第3の光電変換部の下層側に入射光を反射する反射膜層を
さらに備える前記(1)から(5)のいずれかに記載の固体撮像素子。
(7)
前記電極配線は、Optical Black領域を遮光する
前記(1)から(6)のいずれかに記載の固体撮像素子。
(8)
前記電極配線は、金属材料から成る
前記(1)から(7)のいずれかに記載の固体撮像素子。
(9)
前記固体撮像素子は、裏面照射型である
前記(1)から(8)のいずれかに記載の固体撮像素子。
(10)
前記固体撮像素子は、表面照射型である
前記(1)から(8)のいずれかに記載の固体撮像素子。
(11)
前記固体撮像素子は、複数画素共有型である
前記(1)から(10)のいずれかに記載の固体撮像素子。
(12)
前記固体撮像素子は、積層型である
前記(1)から(11)のいずれかに記載の固体撮像素子。
(13)
複数の画素が縦横に配置されている固体撮像素子が搭載された電子装置において、
前記固体撮像素子の各画素が、
光の3原色のうちの第1の波長の入射光に応じて光電変換を行う第1の光電変換部と、
光の3原色のうちの第2の波長の入射光に応じて光電変換を行う第2の光電変換部と、
光の3原色のうちの第3の波長の入射光に応じて光電変換を行う第3の光電変換部と
を有し、
隣接する画素間の境界には、隣接する画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの電極どうしを横方向に接続するとともに、各画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの電極と縦方向に接続する電極配線を備える
電子装置。
Claims (13)
- 複数の画素が縦横に配置された固体撮像素子において、
各画素が、
光の3原色のうちの第1の波長の入射光に応じて光電変換を行う第1の光電変換部と、
光の3原色のうちの第2の波長の入射光に応じて光電変換を行う第2の光電変換部と、
光の3原色のうちの第3の波長の入射光に応じて光電変換を行う第3の光電変換部と
を有し、
隣接する画素間の境界には、隣接する画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの電極どうしを横方向に接続するとともに、各画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの電極と縦方向に接続する電極配線を備える
固体撮像素子。 - 前記第1乃至第3の光電変換部のうちの少なくとも一つは、光電変換膜と前記光電変換膜を挟む下部電極および上部電極から構成され、
前記電極配線は、隣接する画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの前記上部電極どうしを横方向に接続する
請求項1に記載の固体撮像素子。 - 前記電極配線は、隣接する画素における前記第1乃至第3の光電変換部のそれぞれの前記上部電極どうしを横方向に接続する
請求項2に記載の固体撮像素子。 - 前記電極配線は、各画素における前記第1乃至第3の光電変換部のそれぞれの前記上部電極を縦方向に接続する
請求項2に記載の固体撮像素子。 - 前記第1乃至第3の光電変換部のうちの少なくとも一つは、Si層の中に形成された光電変換層である
請求項2に記載の固体撮像素子。 - 前記第1乃至第3の光電変換部の下層側に入射光を反射する反射膜層を
さらに備える請求項2に記載の固体撮像素子。 - 前記電極配線は、Optical Black領域を遮光する
請求項2に記載の固体撮像素子。 - 前記電極配線は、金属材料から成る
請求項2に記載の固体撮像素子。 - 前記固体撮像素子は、裏面照射型である
請求項2に記載の固体撮像素子。 - 前記固体撮像素子は、表面照射型である
請求項2に記載の固体撮像素子。 - 前記固体撮像素子は、複数画素共有型である
請求項2に記載の固体撮像素子。 - 前記固体撮像素子は、積層型である
請求項2に記載の固体撮像素子。 - 複数の画素が縦横に配置されている固体撮像素子が搭載された電子装置において、
前記固体撮像素子の各画素が、
光の3原色のうちの第1の波長の入射光に応じて光電変換を行う第1の光電変換部と、
光の3原色のうちの第2の波長の入射光に応じて光電変換を行う第2の光電変換部と、
光の3原色のうちの第3の波長の入射光に応じて光電変換を行う第3の光電変換部と
を有し、
隣接する画素間の境界には、隣接する画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの電極どうしを横方向に接続するとともに、各画素における前記第1乃至第3の光電変換部のうちの少なくとも一つの電極と縦方向に接続する電極配線を備える
電子装置。
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