JP5511999B2 - 半導体装置とその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 41
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 230000003287 optical effect Effects 0.000 claims description 79
- 229910052751 metal Inorganic materials 0.000 claims description 70
- 239000002184 metal Substances 0.000 claims description 70
- 238000000576 coating method Methods 0.000 claims description 63
- 239000011248 coating agent Substances 0.000 claims description 61
- 239000000758 substrate Substances 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 45
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- 238000000151 deposition Methods 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 239000003989 dielectric material Substances 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 238000000059 patterning Methods 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000000206 photolithography Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 71
- 238000002310 reflectometry Methods 0.000 description 11
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- 238000010586 diagram Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
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- 238000001444 catalytic combustion detection Methods 0.000 description 4
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910001936 tantalum oxide Inorganic materials 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910017107 AlOx Inorganic materials 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910003070 TaOx Inorganic materials 0.000 description 1
- 229910003087 TiOx Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
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- 239000003990 capacitor Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
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- 239000005022 packaging material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- HLLICFJUWSZHRJ-UHFFFAOYSA-N tioxidazole Chemical compound CCCOC1=CC=C2N=C(NC(=O)OC)SC2=C1 HLLICFJUWSZHRJ-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022441—Electrode arrangements specially adapted for back-contact solar cells
-
- 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
-
- 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
-
- 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
- H01L27/14625—Optical elements or arrangements associated with the device
- H01L27/14629—Reflectors
-
- 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
- H01L27/1464—Back illuminated imager structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022433—Particular geometry of the grid contacts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Light Receiving Elements (AREA)
Description
工程63で、純金属コーティングを光学格子材料上に蒸着する。工程 65で、屈折率が2より大きい高誘電率材料コーティングが、純金属コーティング上に蒸着される。工程67で、コーティングがパターン化されて、各光学格子部分の頂部と側壁上に、高反射コーティングを有する光学格子を残す。
本発明では好ましい実施例を前述の通り開示したが、本発明は決して上記の実施例に限定するものではなく、当該技術を熟知する者なら誰でも、本発明の精神と領域を脱しない範囲内で各種の変動を加えることができる。本発明の保護範囲は、特許請求の範囲に明記した内容を基準とする。
13 センサー
15 隔離領域
17 層間誘電体層
19 金属間誘電体
23 ビア
25 金属1パッド
31 画素アレイ領域
33 金属遮蔽領域
35 周辺領域
41 抗反射コーティング (“ARC”)
43 誘電コーティング
45 光学格子材料層
451、453、455 光学格子セクション
47 フォトレジスト層
48、58 金属遮蔽セクション
51 純金属コーティング
53 高誘電材料層
55 パッシベーション誘電体層
61、63、65、67、69 工程
100 裝置
102 画素領域
L1 赤色の光波長光子
L2 緑色の光波長光子
L3 青色の波長光子
Claims (10)
- 半導体基板の背面の画素アレイ領域上に材料層を形成する工程と、
フォトリソグラフィー工程を用いて前記材料層をパターン化して、前記画素アレイ領域上方に位置し、且つ、前記画素アレイ領域の各セクション中の画素センサーを包囲する光学格子を形成する工程と、
純度が少なくとも99%の純金属を前記光学格子に蒸着して純金属コーティングを形成する工程と、
2.0より大きい屈折率の誘電体層を前記純金属コーティングに形成する工程と、
前記純金属コーティングおよび前記誘電体層をパターン化して、反射コーティングを、前記光学格子の各部分の頂部と側壁上に形成する工程と、
前記光学格子上に前記屈折率が2.0より小さいパッシベーション層を形成する工程と、を含むことを特徴とする半導体装置の製造方法。 - 純金属は、銅とアルミニウムからなる群から選択される一つであることを特徴とする請求項1に記載の半導体装置の製造方法。
- 材料層を形成する工程は導体を蒸着する工程を含み、 前記導体はアルミニウムと銅から構成される前記群から選択される一つであることを特徴とする請求項1に記載の半導体装置の製造方法。
- 2.0より大きい屈折率の誘電体層を、前記純金属コーティングに形成する工程は、3.8より大きい誘電率を有する誘電体を蒸着する工程を含むことを特徴とする請求項1に記載の半導体装置の製造方法。
- 半導体基板の前記画素アレイ領域の背面上に前記材料層を形成する工程は、導体材料層の形成工程を含むことを特徴とする請求項1に記載の半導体装置の製造方法。
- 屈折率が2.0より小さいパッシベーション層を前記光学格子に形成する工程は、シリコンリッチ誘電体の蒸着工程を含むことを特徴とする請求項1に記載の半導体装置の製造方法。
- 画素アレイ領域を有すると共に複数の光検出器を有し、かつ、該光検出器の一つが前記画素アレイ領域中の各画素に対応する半導体基板と、
前記半導体基板の背面に光学格子を形成し、前記画素アレイ中の前記各画素を包囲し、前記光学格子が、純度が少なくとも99%の純金属の基材上の純金属コーティング、および、屈折率が2.0より大きい純金属コーティング上の高誘電材料を含む光学格子材料とを具備することを特徴とする半導体装置。 - 純金属コーティングは、銅とアルミニウムから構成される群から選択される一つであることを特徴とする請求項7に記載の半導体装置,
- 高誘電材料は、3.8より大きい誘電率 k の誘電材料を含むことを特徴とする請求項7に記載の半導体装置。
- 前記光学格子上のパッシベーション層を含み、前記パッシベーション層は、屈折率が2.0より小さい誘電層を含むことを特徴とする請求項7に記載の半導体装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/363,280 US8890273B2 (en) | 2012-01-31 | 2012-01-31 | Methods and apparatus for an improved reflectivity optical grid for image sensors |
US13/363,280 | 2012-01-31 |
Publications (2)
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JP2013157605A JP2013157605A (ja) | 2013-08-15 |
JP5511999B2 true JP5511999B2 (ja) | 2014-06-04 |
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Country Status (5)
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US (1) | US8890273B2 (ja) |
JP (1) | JP5511999B2 (ja) |
KR (1) | KR101489038B1 (ja) |
CN (1) | CN103227178B (ja) |
TW (1) | TWI476910B (ja) |
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US10177185B2 (en) | 2015-05-07 | 2019-01-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | High dielectric constant dielectric layer forming method, image sensor device, and manufacturing method thereof |
US9673239B1 (en) * | 2016-01-15 | 2017-06-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Image sensor device and method |
US11264329B2 (en) * | 2016-04-01 | 2022-03-01 | Intel Corporation | Semiconductor device having metal interconnects with different thicknesses |
US10192917B2 (en) * | 2016-06-30 | 2019-01-29 | Stmicroelectronics (Crolles 2) Sas | Backside illuminated photosensor element with light pipe and light mirror structures |
CN106783901B (zh) * | 2016-12-05 | 2019-01-18 | 武汉新芯集成电路制造有限公司 | 背照式传感器的制造方法及版图结构 |
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CN107731860A (zh) * | 2017-11-17 | 2018-02-23 | 德淮半导体有限公司 | 一种背照式cmos图像传感器及其形成方法 |
CN108198830A (zh) * | 2018-01-30 | 2018-06-22 | 德淮半导体有限公司 | 图像传感器及形成图像传感器的方法 |
CN108198833A (zh) * | 2018-01-30 | 2018-06-22 | 德淮半导体有限公司 | 图像传感器及形成图像传感器的方法 |
CN108281447A (zh) * | 2018-01-30 | 2018-07-13 | 德淮半导体有限公司 | 半导体装置及其制作方法 |
CN108364968B (zh) * | 2018-03-01 | 2020-07-14 | 德淮半导体有限公司 | 图像传感器及其制造方法 |
CN108428711A (zh) * | 2018-04-25 | 2018-08-21 | 德淮半导体有限公司 | 图像传感器及其形成方法 |
KR102651605B1 (ko) | 2019-01-11 | 2024-03-27 | 삼성전자주식회사 | 이미지 센서 |
WO2020229563A2 (en) * | 2019-05-14 | 2020-11-19 | Nil Technology Aps | Seed structures for structured coatings for optical and other devices |
KR20210112034A (ko) * | 2020-03-04 | 2021-09-14 | 에스케이하이닉스 주식회사 | 이미지 센서 |
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JP2011501415A (ja) * | 2007-10-11 | 2011-01-06 | ヤオ ジエ | フォトディテクタアレイおよび半導体イメージインテンシファイア |
US9041841B2 (en) | 2008-10-10 | 2015-05-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Image sensor having enhanced backside illumination quantum efficiency |
KR20100079399A (ko) * | 2008-12-31 | 2010-07-08 | 주식회사 동부하이텍 | 이미지 센서 및 그 제조 방법 |
JP4798232B2 (ja) * | 2009-02-10 | 2011-10-19 | ソニー株式会社 | 固体撮像装置とその製造方法、及び電子機器 |
JP5436963B2 (ja) * | 2009-07-21 | 2014-03-05 | 新光電気工業株式会社 | 配線基板及び半導体装置 |
WO2011142065A1 (ja) * | 2010-05-14 | 2011-11-17 | パナソニック株式会社 | 固体撮像装置及びその製造方法 |
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2012
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JP2013157605A (ja) | 2013-08-15 |
CN103227178A (zh) | 2013-07-31 |
KR20130088705A (ko) | 2013-08-08 |
US8890273B2 (en) | 2014-11-18 |
US20130193538A1 (en) | 2013-08-01 |
CN103227178B (zh) | 2015-12-09 |
KR101489038B1 (ko) | 2015-02-02 |
TWI476910B (zh) | 2015-03-11 |
TW201332089A (zh) | 2013-08-01 |
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