JP2006237576A - Cmosイメージ・センサ - Google Patents
Cmosイメージ・センサ Download PDFInfo
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- JP2006237576A JP2006237576A JP2006000869A JP2006000869A JP2006237576A JP 2006237576 A JP2006237576 A JP 2006237576A JP 2006000869 A JP2006000869 A JP 2006000869A JP 2006000869 A JP2006000869 A JP 2006000869A JP 2006237576 A JP2006237576 A JP 2006237576A
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- image sensor
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- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 70
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 239000003989 dielectric material Substances 0.000 claims description 3
- 150000002736 metal compounds Chemical class 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 17
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 229910000765 intermetallic Inorganic materials 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 30
- 230000008569 process Effects 0.000 description 14
- 239000011241 protective layer Substances 0.000 description 10
- 238000005530 etching Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000005368 silicate glass Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 150000004760 silicates Chemical class 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000010432 diamond Substances 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
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Classifications
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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
- H01L27/14643—Photodiode arrays; MOS imagers
- H01L27/14654—Blooming suppression
-
- 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
- H01L27/14636—Interconnect structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
【解決手段】CMOS撮像装置用の遮光体110を提供するシステムおよび方法を提供する。この遮光体110は、感光素子112と隣接する回路との間の地点を覆って形成される構造体から成る。この構造体は、感光素子112の上を覆って誘電体層212に形成された、金属,合金,金属化合物,若しくはそれと同等の遮光材料から形成される。
【選択図】図1
Description
112 感光素子
210 基板
212,214 誘電体層
310 第一の層
312 第二の層
Claims (11)
- 基板に設けた感光素子と、
前記基板上に形成される一乃至複数の誘電体層と、
複数の前記誘電体層に形成され、前記感光素子と隣接する回路との間の地点を覆って配置され、かつ前記複数の誘電体層を貫通して形成される少なくとも単一のプラグを備えた導電性材料と、から構成されることを特徴とするCMOSイメージ・センサ。 - 前記隣接する回路が、一乃至複数の隣接する光センサ素子とスイッチングMOS電界効果トランジスタを有することを特徴とする請求項1記載のCMOSイメージ・センサ。
- 前記導電性材料が、金属,合金,或いは金属化合物から構成されることを特徴とする請求項1記載のCMOSイメージ・センサ。
- 前記導電性材料が、一乃至複数の層から構成されることを特徴とする請求項1記載のCMOSイメージ・センサ。
- 第一の層が窒化チタンから構成され、第二の層がタングステンから構成されることを特徴とする請求項4記載のCMOSイメージ・センサ。
- 前記導電性材料が、窒化チタンからなる単一の層で構成されることを特徴とする請求項1記載のCMOSイメージ・センサ。
- 前記感光素子を覆って配置されるカラー・フィルターをさらに備えたことを特徴とする請求項1記載のCMOSイメージ・センサ。
- 前記導電性材料の幅が、約0.1μmから約0.5μmであることを特徴とする請求項1記載のCMOSイメージ・センサ。
- 前記導電性材料の高さが、0.3μmより高いことを特徴とする請求項1記載のCMOSイメージ・センサ。
- 前記導電性材料が、前記感光素子のほぼ周囲に形成されることを特徴とする請求項1記載のCMOSイメージ・センサ。
- 基板に設けたフォト・ダイオードおよびピン層と、
前記基板上に形成される一乃至複数の誘電体層と、
複数の前記誘電体層に形成される金属から成り、前記フォト・ダイオードと、スイッチング・トランジスタおよびリセット・トランジスタから成る隣接するMOS回路との間の地点を覆って配置され、さらに前記複数の誘電体層を貫通して形成される単一のプラグを備えた遮光体と、から構成されることを特徴とするCMOSイメージ・センサ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/066,432 US7935994B2 (en) | 2005-02-24 | 2005-02-24 | Light shield for CMOS imager |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006237576A true JP2006237576A (ja) | 2006-09-07 |
JP4436326B2 JP4436326B2 (ja) | 2010-03-24 |
Family
ID=36911822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006000869A Active JP4436326B2 (ja) | 2005-02-24 | 2006-01-05 | Cmosイメージ・センサ |
Country Status (4)
Country | Link |
---|---|
US (2) | US7935994B2 (ja) |
JP (1) | JP4436326B2 (ja) |
CN (1) | CN100413082C (ja) |
TW (1) | TWI260742B (ja) |
Cited By (12)
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US8710606B2 (en) | 2011-03-16 | 2014-04-29 | Seiko Epson Corporation | Optical sensor and electronic apparatus |
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US8976357B2 (en) | 2011-03-16 | 2015-03-10 | Seiko Epson Corporation | Optical sensor and electronic apparatus utilizing an angle limiting filter |
JP2015099151A (ja) * | 2010-03-05 | 2015-05-28 | セイコーエプソン株式会社 | 光学センサー及び電子機器 |
JP2017188522A (ja) * | 2016-04-04 | 2017-10-12 | 株式会社ジャパンディスプレイ | フォトセンサ及びフォトセンサを有する表示装置 |
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KR100595899B1 (ko) * | 2003-12-31 | 2006-06-30 | 동부일렉트로닉스 주식회사 | 이미지 센서 및 그 제조방법 |
KR100689885B1 (ko) | 2004-05-17 | 2007-03-09 | 삼성전자주식회사 | 광감도 및 주변광량비 개선을 위한 cmos 이미지 센서및 그 제조방법 |
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2005
- 2005-02-24 US US11/066,432 patent/US7935994B2/en not_active Expired - Fee Related
- 2005-08-03 TW TW094126339A patent/TWI260742B/zh not_active IP Right Cessation
- 2005-09-09 CN CNB2005101024502A patent/CN100413082C/zh active Active
-
2006
- 2006-01-05 JP JP2006000869A patent/JP4436326B2/ja active Active
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2011
- 2011-04-06 US US13/081,120 patent/US8383440B2/en active Active
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JP2008108917A (ja) * | 2006-10-25 | 2008-05-08 | Sony Corp | 固体撮像装置及び電子機器 |
JP2008244269A (ja) * | 2007-03-28 | 2008-10-09 | Sanyo Electric Co Ltd | 半導体装置 |
US8217361B2 (en) | 2007-09-21 | 2012-07-10 | Oki Semiconductor Co., Ltd. | Ultraviolet sensor |
JP2009239053A (ja) * | 2008-03-27 | 2009-10-15 | Texas Instr Japan Ltd | 半導体装置 |
US8421136B2 (en) | 2008-08-18 | 2013-04-16 | Oki Semiconductor Co., Ltd. | Semiconductor device and fabrication process thereof |
US10241033B2 (en) | 2010-03-05 | 2019-03-26 | Seiko Epson Corporation | Spectroscopic sensor device and electronic equipment |
JP2015099151A (ja) * | 2010-03-05 | 2015-05-28 | セイコーエプソン株式会社 | 光学センサー及び電子機器 |
US8976357B2 (en) | 2011-03-16 | 2015-03-10 | Seiko Epson Corporation | Optical sensor and electronic apparatus utilizing an angle limiting filter |
US8710606B2 (en) | 2011-03-16 | 2014-04-29 | Seiko Epson Corporation | Optical sensor and electronic apparatus |
US9224773B2 (en) | 2011-11-30 | 2015-12-29 | Taiwan Semiconductor Manufacturing Company, Ltd. | Metal shielding layer in backside illumination image sensor chips and methods for forming the same |
US9620555B2 (en) | 2011-11-30 | 2017-04-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Metal shielding layer in backside illumination image sensor chips and methods for forming the same |
KR101290033B1 (ko) | 2011-11-30 | 2013-07-30 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 후면 조명 이미지 센서 칩들에서의 금속 차폐층 및 이를 형성하는 방법 |
US10276621B2 (en) | 2011-11-30 | 2019-04-30 | Taiwan Semiconductor Manufacturing Company, Ltd. | Metal shielding layer in backside illumination image sensor chips and methods for forming the same |
US11018176B2 (en) | 2011-11-30 | 2021-05-25 | Taiwan Semiconductor Manufacturing Company, Ltd. | Metal shielding layer in backside illumination image sensor chips and methods for forming the same |
JP2014082310A (ja) * | 2012-10-16 | 2014-05-08 | Canon Inc | 固体撮像装置、固体撮像装置の製造方法、および撮像システム |
JP2017188522A (ja) * | 2016-04-04 | 2017-10-12 | 株式会社ジャパンディスプレイ | フォトセンサ及びフォトセンサを有する表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US7935994B2 (en) | 2011-05-03 |
CN100413082C (zh) | 2008-08-20 |
CN1825605A (zh) | 2006-08-30 |
JP4436326B2 (ja) | 2010-03-24 |
US20110183460A1 (en) | 2011-07-28 |
TWI260742B (en) | 2006-08-21 |
TW200631134A (en) | 2006-09-01 |
US20060186547A1 (en) | 2006-08-24 |
US8383440B2 (en) | 2013-02-26 |
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