JP5292628B2 - 画像センサを備えた半導体装置及びその製造方法 - Google Patents
画像センサを備えた半導体装置及びその製造方法 Download PDFInfo
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- JP5292628B2 JP5292628B2 JP2008508395A JP2008508395A JP5292628B2 JP 5292628 B2 JP5292628 B2 JP 5292628B2 JP 2008508395 A JP2008508395 A JP 2008508395A JP 2008508395 A JP2008508395 A JP 2008508395A JP 5292628 B2 JP5292628 B2 JP 5292628B2
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000005855 radiation Effects 0.000 claims abstract description 59
- 238000002955 isolation Methods 0.000 claims abstract description 50
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 230000005669 field effect Effects 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000002800 charge carrier Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000005468 ion implantation Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000873 masking effect Effects 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
- 230000000737 periodic effect Effects 0.000 description 1
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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
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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
- H01L27/1463—Pixel isolation structures
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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
- H01L27/14603—Special geometry or disposition of pixel-elements, address-lines or gate-electrodes
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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
- H01L27/14609—Pixel-elements with integrated switching, control, storage or amplification elements
-
- 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
Description
Claims (9)
- 基板と半導体画像センサを備えた半導体ボディとを具備する半導体装置であって、前記半導体画像センサは、各々が放射線感受性素子を含む画素の2次元マトリクスを有し、前記放射線感受性素子は、前記画素を選択するための選択手段により当該放射線感受性素子を読み取るための複数のMOS電界効果トランジスタに結合され、前記放射線感受性素子の各々は、入射放射線により発生した電荷キャリアが蓄積される第1の導電型の半導体領域を含み、前記半導体領域に横方向において隣接する前記半導体ボディの一部は、前記第1の導電型とは逆の第2の導電型であり、隣接する画素を分離するためにアイソレーション領域が沈下させられ、前記アイソレーション領域に接する前記第2の導電型の前記半導体ボディの一部において、前記第2の導電型のさらなる半導体領域が高ドーピング濃度を有して形成され、
前記2次元マトリクスにおいては、複数の画素が一方向及び該一方向と直角に交わる他方向に沿って並べられ、
前記一方向の並びにおいては、一の画素の前記放射線感受性素子と他の画素の前記複数のMOS電界効果トランジスタとが前記アイソレーション領域及び前記さらなる半導体領域を介して隣接し、
前記他方向の並びにおいては、一の画素の前記放射線感受性素子と他の画素の前記放射線感受性素子とが前記さらなる半導体領域とは別の他の半導体領域を介して隣接し、
前記別の他の半導体領域が、第2の導電型で高ドーピング濃度であり、
前記さらなる半導体領域は、前記アイソレーション領域よりも広くなるように前記アイソレーション領域の下部及び側部に沿って前記半導体ボディの内部に設けられ、
前記他の半導体領域は、前記半導体ボディの表面に沿って該半導体ボディの内部に設けられる
半導体装置。 - 請求項1に記載の半導体装置であって、前記さらなる半導体領域及び前記他の半導体領域は、同時に形成される、装置。
- 請求項2に記載の半導体装置であって、前記さらなる半導体領域及び前記他の半導体領域は、CMOSプロセスからのウェルにより形成される、装置。
- 請求項1ないし3のうちいずれか1つに記載の半導体装置であって、前記半導体画像センサの外側にNMOS及びPMOSトランジスタを備える、装置。
- 請求項1ないし4のうちいずれか1つに記載の半導体装置であって、前記アイソレーション領域は、いわゆる浅い溝のアイソレーションを有する、装置。
- 請求項1ないし5のうちいずれか1つに記載の半導体装置であって、第1の導電型は、n型導電性である、装置。
- 基板と、各々が放射線感受性素子を有する画素の2次元マトリクスを有する半導体画像センサを備える半導体ボディとを有する半導体装置の製造方法であって、前記放射線感受性素子は、前記画素を選択するための選択手段を介して前記放射線感受性素子を読み出すための複数のMOS電界効果トランジスタに結合され、前記放射線感受性素子の各々は、入射放射線により発生した電荷キャリアが蓄積される第1の導電型の半導体領域を含み、前記半導体領域に横方向において隣接する前記半導体ボディの一部は、前記第1の導電型とは逆の第2の導電型であり、隣接する画素を分離するためにアイソレーション領域が沈下させられ、前記アイソレーション領域に接する前記第2の導電型の前記半導体ボディの一部において、前記第2の導電型のさらなる半導体領域が高ドーピング濃度を有して形成される半導体装置を製造する際に、
前記2次元マトリクスにおいては、複数の画素を一方向及び該一方向と直角に交わる他方向に沿って並べ、
前記一方向の並びにおいては、一の画素の前記放射線感受性素子と他の画素の前記複数のMOS電界効果トランジスタとを前記アイソレーション領域及び前記さらなる半導体領域を介して隣接させ、
前記他方向の並びにおいては、一の画素の前記放射線感受性素子と他の画素の前記放射線感受性素子とを前記さらなる半導体領域とは別の他の半導体領域を介して隣接させ、
前記別の他の半導体領域が、第2の導電型で高ドーピング濃度であり、
前記さらなる半導体領域を、前記アイソレーション領域よりも広くなるように前記アイソレーション領域の下部及び側部に沿って前記半導体ボディの内部に設け、
前記他の半導体領域を、前記半導体ボディの表面に沿って該半導体ボディの内部に設け、
前記さらなる半導体領域及び前記他の半導体領域を、マスクを用いたイオン注入によって形成し、
前記さらなる半導体領域を形成する際にはマスクを前記アイソレーション領域よりも広く位置合わせする
方法。 - 請求項7に記載の方法であって、前記さらなる半導体領域及び前記他の半導体領域を同時に形成する、方法。
- 請求項7又は8に記載の方法であって、前記さらなる半導体領域及び前記他の半導体領域をCMOSプロセスからのウェル形成ステップにより形成する、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05103594.7 | 2005-04-29 | ||
EP05103594 | 2005-04-29 | ||
PCT/IB2006/051301 WO2006117725A1 (en) | 2005-04-29 | 2006-04-26 | Semiconductor device with an image sensor and method for the manufacture of such a device |
Publications (2)
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JP2008539580A JP2008539580A (ja) | 2008-11-13 |
JP5292628B2 true JP5292628B2 (ja) | 2013-09-18 |
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JP2008508395A Expired - Fee Related JP5292628B2 (ja) | 2005-04-29 | 2006-04-26 | 画像センサを備えた半導体装置及びその製造方法 |
Country Status (6)
Country | Link |
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US (1) | US8686481B2 (ja) |
EP (1) | EP1878055B1 (ja) |
JP (1) | JP5292628B2 (ja) |
KR (1) | KR20080003830A (ja) |
CN (1) | CN100565892C (ja) |
WO (1) | WO2006117725A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4759590B2 (ja) | 2008-05-09 | 2011-08-31 | キヤノン株式会社 | 光電変換装置及びそれを用いた撮像システム |
JP5511180B2 (ja) * | 2008-12-19 | 2014-06-04 | キヤノン株式会社 | 固体撮像装置の製造方法及び固体撮像装置 |
JP5241886B2 (ja) * | 2011-05-30 | 2013-07-17 | キヤノン株式会社 | 光電変換装置及びそれを用いた撮像システム |
JP6164951B2 (ja) * | 2013-06-28 | 2017-07-19 | キヤノン株式会社 | 光電変換装置の製造方法、光電変換装置、及び撮像システム |
JP6198485B2 (ja) * | 2013-06-28 | 2017-09-20 | キヤノン株式会社 | 光電変換装置、及び撮像システム |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4782036A (en) * | 1986-08-29 | 1988-11-01 | Siemens Aktiengesellschaft | Process for producing a predetermined doping in side walls and bases of trenches etched into semiconductor substrates |
JPH04199878A (ja) * | 1990-11-29 | 1992-07-21 | Mitsubishi Electric Corp | 固体撮像装置 |
JP2825702B2 (ja) * | 1992-05-20 | 1998-11-18 | シャープ株式会社 | 固体撮像素子 |
DE4340590A1 (de) * | 1992-12-03 | 1994-06-09 | Hewlett Packard Co | Grabenisolation unter Verwendung dotierter Seitenwände |
US5841176A (en) * | 1996-03-01 | 1998-11-24 | Foveonics, Inc. | Active pixel sensor cell that minimizes leakage current |
US5982012A (en) * | 1998-01-14 | 1999-11-09 | Foveon, Inc. | Pixel cells and pixel cell arrays having low leakage and improved performance characteristics |
JP3554483B2 (ja) * | 1998-04-22 | 2004-08-18 | シャープ株式会社 | Cmos型固体撮像装置 |
JP4604296B2 (ja) * | 1999-02-09 | 2011-01-05 | ソニー株式会社 | 固体撮像装置及びその製造方法 |
JP2002270808A (ja) * | 2001-03-13 | 2002-09-20 | Matsushita Electric Ind Co Ltd | Mos型撮像装置 |
US20030038336A1 (en) * | 2001-08-22 | 2003-02-27 | Mann Richard A. | Semiconductor device for isolating a photodiode to reduce junction leakage and method of formation |
JP2003234496A (ja) | 2002-02-12 | 2003-08-22 | Sony Corp | 固体撮像装置およびその製造方法 |
JP3840203B2 (ja) * | 2002-06-27 | 2006-11-01 | キヤノン株式会社 | 固体撮像装置及び固体撮像装置を用いたカメラシステム |
US7091536B2 (en) | 2002-11-14 | 2006-08-15 | Micron Technology, Inc. | Isolation process and structure for CMOS imagers |
JP4264249B2 (ja) * | 2002-12-02 | 2009-05-13 | 富士フイルム株式会社 | Mos型イメージセンサ及びデジタルカメラ |
US6949445B2 (en) * | 2003-03-12 | 2005-09-27 | Micron Technology, Inc. | Method of forming angled implant for trench isolation |
KR100477790B1 (ko) * | 2003-03-13 | 2005-03-22 | 매그나칩 반도체 유한회사 | 씨모스 이미지센서의 제조방법 |
TWI230432B (en) * | 2003-05-05 | 2005-04-01 | Nanya Technology Corp | Method for improving sneakage at shallow trench isolation and STI structure thereof |
US7102184B2 (en) * | 2003-06-16 | 2006-09-05 | Micron Technology, Inc. | Image device and photodiode structure |
US7009227B2 (en) * | 2003-06-16 | 2006-03-07 | Micron Technology, Inc. | Photodiode structure and image pixel structure |
EP1513199A3 (en) * | 2003-09-03 | 2006-09-27 | Matsushita Electric Industrial Co., Ltd. | Solid-state imaging device and camera |
TWI241712B (en) * | 2004-07-20 | 2005-10-11 | Fujitsu Ltd | CMOS device for recording images |
US7495274B2 (en) * | 2004-12-30 | 2009-02-24 | Ess Technology, Inc. | Method and apparatus for controlling charge transfer in CMOS sensors with a graded transfer-gate work-function |
US7205627B2 (en) * | 2005-02-23 | 2007-04-17 | International Business Machines Corporation | Image sensor cells |
US7800146B2 (en) * | 2005-08-26 | 2010-09-21 | Aptina Imaging Corporation | Implanted isolation region for imager pixels |
-
2006
- 2006-04-26 JP JP2008508395A patent/JP5292628B2/ja not_active Expired - Fee Related
- 2006-04-26 CN CNB2006800147758A patent/CN100565892C/zh not_active Expired - Fee Related
- 2006-04-26 EP EP06728051.1A patent/EP1878055B1/en not_active Not-in-force
- 2006-04-26 US US11/912,697 patent/US8686481B2/en active Active
- 2006-04-26 KR KR1020077024444A patent/KR20080003830A/ko not_active Application Discontinuation
- 2006-04-26 WO PCT/IB2006/051301 patent/WO2006117725A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
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CN101171688A (zh) | 2008-04-30 |
JP2008539580A (ja) | 2008-11-13 |
EP1878055A1 (en) | 2008-01-16 |
US8686481B2 (en) | 2014-04-01 |
US20080197386A1 (en) | 2008-08-21 |
KR20080003830A (ko) | 2008-01-08 |
EP1878055B1 (en) | 2014-02-12 |
WO2006117725A1 (en) | 2006-11-09 |
CN100565892C (zh) | 2009-12-02 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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