JP6226683B2 - 撮像装置 - Google Patents
撮像装置 Download PDFInfo
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- JP6226683B2 JP6226683B2 JP2013212297A JP2013212297A JP6226683B2 JP 6226683 B2 JP6226683 B2 JP 6226683B2 JP 2013212297 A JP2013212297 A JP 2013212297A JP 2013212297 A JP2013212297 A JP 2013212297A JP 6226683 B2 JP6226683 B2 JP 6226683B2
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- 238000003384 imaging method Methods 0.000 title claims description 66
- 230000002093 peripheral effect Effects 0.000 claims description 111
- 239000004065 semiconductor Substances 0.000 claims description 83
- 239000012212 insulator Substances 0.000 claims description 61
- 238000002955 isolation Methods 0.000 claims description 46
- 239000004020 conductor Substances 0.000 claims description 36
- 239000011159 matrix material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 487
- 238000000034 method Methods 0.000 description 26
- 238000006243 chemical reaction Methods 0.000 description 20
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 15
- 239000011229 interlayer Substances 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 230000012447 hatching Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 230000003321 amplification Effects 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000003989 dielectric material Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 101100278886 Arabidopsis thaliana E2FF gene Proteins 0.000 description 1
- 101100504411 Arabidopsis thaliana GH3.6 gene Proteins 0.000 description 1
- 102100022263 Disks large homolog 3 Human genes 0.000 description 1
- 102100032449 EGF-like repeat and discoidin I-like domain-containing protein 3 Human genes 0.000 description 1
- 101000902100 Homo sapiens Disks large homolog 3 Proteins 0.000 description 1
- 101001016381 Homo sapiens EGF-like repeat and discoidin I-like domain-containing protein 3 Proteins 0.000 description 1
- 101001115426 Homo sapiens MAGUK p55 subfamily member 3 Proteins 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- H01L27/144—Devices controlled by radiation
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- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- H01L27/144—Devices controlled by radiation
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- H01L27/144—Devices controlled by radiation
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- H01L27/14601—Structural or functional details thereof
- H01L27/14603—Special geometry or disposition of pixel-elements, address-lines or gate-electrodes
- H01L27/14605—Structural or functional details relating to the position of the pixel elements, e.g. smaller pixel elements in the center of the imager compared to pixel elements at the periphery
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- H01L27/144—Devices controlled by radiation
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- H01L27/14601—Structural or functional details thereof
- H01L27/14603—Special geometry or disposition of pixel-elements, address-lines or gate-electrodes
- H01L27/14607—Geometry of the photosensitive area
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- H01L27/14601—Structural or functional details thereof
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- H01L27/1461—Pixel-elements with integrated switching, control, storage or amplification elements characterised by the photosensitive area
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- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14609—Pixel-elements with integrated switching, control, storage or amplification elements
- H01L27/14612—Pixel-elements with integrated switching, control, storage or amplification elements involving a transistor
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- H01L27/144—Devices controlled by radiation
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- H01L27/14601—Structural or functional details thereof
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- H01L27/144—Devices controlled by radiation
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- H01L27/14601—Structural or functional details thereof
- H01L27/1462—Coatings
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- 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
- H01L27/14627—Microlenses
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- H01L27/144—Devices controlled by radiation
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- H01L27/14601—Structural or functional details thereof
- H01L27/1463—Pixel isolation structures
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- H01L27/144—Devices controlled by radiation
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- H01L27/14636—Interconnect 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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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Integrated Circuits (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Description
0.50≦DLG3/DLG1≦1.50・・・(6a)
の関係を満足することが好ましい。さらに、
0.90≦DLG3/DLG1≦1.10・・・(6b)
の関係を満足することがより好ましい。
2 周辺回路領域
3 中間領域
11 半導体層
12 素子分離層
13 電極層
14 絶縁体膜
15 導電体部材
31 第1配線層
32 第2配線層
40 誘電体部材
1000 撮像装置
Claims (20)
- 複数の画素回路が行列状に配された画素回路領域と、
前記画素回路領域の周辺に位置し周辺回路が配され、画素回路を有さない周辺回路領域と、を備える撮像装置であって、
前記画素回路領域と前記周辺回路領域との間に位置して、直接的または間接的に画像を形成するための信号を出力する能動素子を有さず、前記画素回路領域および前記周辺回路領域と境界を成す中間領域をさらに備え、
前記画素回路領域、前記周辺回路領域および前記中間領域には、半導体層と、前記半導体層の上に位置する第1配線層と、前記第1配線層よりも前記半導体層から離れて位置する第2配線層とが設けられ、前記中間領域において前記画素回路と前記周辺回路とが少なくとも前記第1配線層および前記第2配線層の一方の配線層を介して接続されており、
前記中間領域における前記一方の配線層の、前記中間領域の総面積に対する面積占有率は、前記画素回路領域における前記一方の配線層の前記画素回路領域の総面積に対する面積占有率の0.5倍以上1.5倍以下であることを特徴とする撮像装置。 - 前記中間領域には、前記画素回路の基準電位を供給するためのコンタクトが設けられている、請求項1に記載の撮像装置。
- 前記一方の配線層は、前記中間領域から前記画素回路領域に渡って延在し、前記基準電位を供給する配線を含む、請求項2に記載の撮像装置。
- 前記一方の配線層は前記第2配線層である、請求項1乃至3のいずれか1項に記載の撮像装置。
- 前記中間領域における前記第2配線層の、前記中間領域の総面積に対する面積占有率は、前記中間領域における前記第1配線層の、前記中間領域の総面積に対する面積占有率よりも低い、請求項1乃至4のいずれか1項に記載の撮像装置。
- 前記中間領域における前記第1配線層の、前記中間領域の総面積に対する面積占有率は、前記画素回路領域における前記第1配線層の前記画素回路領域の総面積に対する面積占有率の0.7倍以上1.3倍以下である、請求項1乃至5のいずれか1項に記載の撮像装置。
- 前記第1配線層および前記第2配線層の他方の配線層は、前記中間領域から前記画素回路領域に渡って延在し、前記基準電位を供給する配線を含む、請求項2または3に記載の撮像装置。
- 前記中間領域において、前記第1配線層が構成する配線と、前記第2配線層が構成する配線とが、複数の箇所で交差する、請求項1乃至7のいずれか1項に記載の撮像装置。
- 前記複数の画素回路の少なくとも1つの画素回路を包含する前記画素回路領域の区域を第1の区域とし、前記第1の区域の輪郭と合同な輪郭を有する前記中間領域の区域を第2の区域として、
前記第1の区域および前記第2の区域には前記一方の配線層が位置し、前記第2の区域における前記一方の配線層のパターンと前記第1の区域における前記一方の配線層のパターンとの一致率が50%以上である、請求項1乃至8のいずれか1項に記載の撮像装置。 - 前記中間領域に位置する前記一方の配線層の、前記中間領域の総面積に対する面積占有率は、前記周辺回路領域における前記一方の配線層の前記周辺回路領域の総面積に対する面積占有率よりも低い、請求項1乃至9のいずれか1項に記載の撮像装置。
- 前記画素回路領域、前記周辺回路領域および前記中間領域には、前記第1配線層と前記半導体層との間に位置し、前記半導体層に接続された導電体部材が貫通した絶縁体膜が設けられており、
前記画素回路領域、前記周辺回路領域および前記中間領域には、前記絶縁体膜と前記半導体層の間に位置する電極層が設けられ、前記電極層は、前記画素回路領域において前記画素回路の電極を構成し、前記周辺回路領域において前記周辺回路の電極を構成し、
前記中間領域に位置する前記電極層の、前記中間領域の総面積に対する面積占有率は、前記画素回路領域に位置する前記電極層の、前記中間領域の総面積に対する面積占有率の0.5倍以上1.5倍以下である、請求項1乃至10のいずれか1項に記載の撮像装置。 - 前記画素回路領域、前記周辺回路領域および前記中間領域には、前記第1配線層と前記半導体層との間に位置し、前記半導体層に接続された導電体部材が貫通した絶縁体膜が設けられており、
前記画素回路領域、前記周辺回路領域および前記中間領域には、前記絶縁体膜と前記半導体層の間に位置する電極層が設けられ、前記電極層は、前記画素回路領域において前記画素回路の電極を構成し、前記周辺回路領域において前記周辺回路の電極を構成し、
前記第1の区域および前記第2の区域には前記電極層が位置し、前記第2の区域における前記電極層のパターンと、前記第1の区域における前記電極層のパターンとの一致率は50%以上である、請求項9に記載の撮像装置。 - 前記画素回路領域、前記周辺回路領域および前記中間領域には、前記一方の配線層と前記半導体層との間に位置し、前記半導体層に接続された導電体部材が貫通した絶縁体膜が設けられており、
前記画素回路領域、前記周辺回路領域および前記中間領域には、前記絶縁体膜と前記半導体層の間に位置する素子分離層が設けられ、
前記中間領域に位置する前記素子分離層の、前記中間領域の総面積に対する面積占有率は、前記画素回路領域に位置する前記素子分離層の、前記画素回路領域の総面積に対する面積占有率の0.5倍以上1.5倍以下である、請求項1乃至12のいずれか1項に記載の撮像装置。 - 前記画素回路領域、前記周辺回路領域および前記中間領域には、前記一方の配線層と前記半導体層との間に位置し、前記半導体層に接続された導電体部材が貫通した絶縁体膜が設けられており、
前記画素回路領域、前記周辺回路領域および前記中間領域には、前記絶縁体膜と前記半導体層の間に位置する素子分離層が設けられ、
前記複数の画素回路の少なくとも1つの画素回路を包含する前記画素回路領域の区域を第1の区域とし、前記第1の区域の輪郭と合同な輪郭を有する前記中間領域の区域を第2の区域として、
前記第1の区域および前記第2の区域には前記素子分離層が位置し、前記中間領域における前記素子分離層と、前記画素回路領域における前記素子分離層のパターンとの一致率は50%以上である、請求項1乃至13のいずれか1項に記載の撮像装置。 - 前記中間領域に位置する前記導電体部材の、前記中間領域の総面積に対する面積占有率は、前記画素回路領域に位置する前記導電体部材の、前記画素回路領域の総面積に対する面積占有率の0.5倍以上1.5倍以下である、請求項11乃至14のいずれか1項に記載の撮像装置。
- 前記画素回路領域および前記中間領域には、前記半導体層の上に位置する絶縁体層を貫通する誘電体部材が設けられており、
前記中間領域に位置する前記誘電体部材の、前記中間領域の総面積に対する面積占有率は、前記画素回路領域に位置する前記誘電体部材の、前記中間領域の総面積に対する面積占有率の0.5倍以上1.5倍以下である、請求項11乃至15のいずれか1項に記載の撮像装置。 - 前記絶縁体層は前記第1配線層と前記第2配線層との間に位置し、前記誘電体部材の誘電率が前記絶縁体層の誘電率よりも高い、請求項16に記載の撮像装置。
- 複数の画素回路が行列状に配された画素回路領域と、
前記画素回路領域の周辺に位置し周辺回路が配され、画素回路を有さない周辺回路領域と、
を備える撮像装置であって、
前記画素回路領域と前記周辺回路領域との間に位置して、直接的または間接的に画像を形成するための信号を出力する能動素子を有さず、前記画素回路領域および前記周辺回路領域と境界を成す中間領域をさらに備え、
前記画素回路領域、前記周辺回路領域および前記中間領域には、半導体層の上に位置し、前記半導体層に接続された導電体部材が貫通した絶縁体膜が設けられており、
前記画素回路領域、前記周辺回路領域および前記中間領域には、前記絶縁体膜と前記半導体層の間に位置する電極層が設けられ、前記電極層は、前記画素回路領域において前記画素回路の電極を構成し、前記周辺回路領域において前記周辺回路の電極を構成し、前記中間領域においてダミー電極を構成し、
前記画素回路領域および前記中間領域には、前記導電体部材を介して前記半導体層に基準電位を供給するためのコンタクトが設けられており、前記画素回路領域における前記コンタクトの数は前記画素回路領域に設けられた画素の数の1/3以下であって、
前記中間領域における前記ダミー電極の数に対する前記コンタクトの数の比が、前記画素回路領域における前記電極の数に対する前記コンタクトの数の比よりも大きく、
前記中間領域における前記電極層の面積占有率は、前記画素回路領域における前記電極層の面積占有率の0.5倍以上1.5倍以下であることを特徴とする撮像装置。 - 前記画素回路領域、前記周辺回路領域および前記中間領域には、前記絶縁体膜と前記半導体層の間に位置する素子分離層が設けられ、
前記中間領域における前記素子分離層の面積占有率は、前記画素回路領域における前記素子分離層の面積占有率の0.5倍以上1.5倍以下である請求項18に記載の撮像装置。 - 前記中間領域を介した前記画素回路領域と前記周辺回路領域との間の距離は10μm以上100μm以下である請求項1乃至19のいずれか1項に記載の撮像装置。
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