CN102446940B - 图像传感器中的光侦测器隔离 - Google Patents
图像传感器中的光侦测器隔离 Download PDFInfo
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- CN102446940B CN102446940B CN201110307872.9A CN201110307872A CN102446940B CN 102446940 B CN102446940 B CN 102446940B CN 201110307872 A CN201110307872 A CN 201110307872A CN 102446940 B CN102446940 B CN 102446940B
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- 238000002955 isolation Methods 0.000 title claims abstract description 33
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 76
- 239000010703 silicon Substances 0.000 claims abstract description 76
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000004065 semiconductor Substances 0.000 claims abstract description 71
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 41
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000003287 optical effect Effects 0.000 claims description 46
- 238000003384 imaging method Methods 0.000 claims description 28
- 238000012546 transfer Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 165
- 239000002019 doping agent Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 30
- 230000008569 process Effects 0.000 description 21
- 239000003989 dielectric material Substances 0.000 description 17
- 239000000758 substrate Substances 0.000 description 15
- 238000002513 implantation Methods 0.000 description 12
- 230000015654 memory Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000000429 assembly Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000059 patterning Methods 0.000 description 6
- FRIKWZARTBPWBN-UHFFFAOYSA-N [Si].O=[Si]=O Chemical compound [Si].O=[Si]=O FRIKWZARTBPWBN-UHFFFAOYSA-N 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- 238000006396 nitration reaction Methods 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005421 electrostatic potential Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- 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)
Abstract
Description
Claims (6)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38801310P | 2010-09-30 | 2010-09-30 | |
US61/388,013 | 2010-09-30 | ||
US12/966,224 | 2010-12-13 | ||
US12/966,224 US8378398B2 (en) | 2010-09-30 | 2010-12-13 | Photodetector isolation in image sensors |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102446940A CN102446940A (zh) | 2012-05-09 |
CN102446940B true CN102446940B (zh) | 2014-10-15 |
Family
ID=45889063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110307872.9A Active CN102446940B (zh) | 2010-09-30 | 2011-09-29 | 图像传感器中的光侦测器隔离 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8378398B2 (zh) |
CN (1) | CN102446940B (zh) |
HK (1) | HK1170843A1 (zh) |
TW (1) | TWI456750B (zh) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7057256B2 (en) | 2001-05-25 | 2006-06-06 | President & Fellows Of Harvard College | Silicon-based visible and near-infrared optoelectric devices |
US7442629B2 (en) | 2004-09-24 | 2008-10-28 | President & Fellows Of Harvard College | Femtosecond laser-induced formation of submicrometer spikes on a semiconductor substrate |
US9911781B2 (en) | 2009-09-17 | 2018-03-06 | Sionyx, Llc | Photosensitive imaging devices and associated methods |
US9673243B2 (en) | 2009-09-17 | 2017-06-06 | Sionyx, Llc | Photosensitive imaging devices and associated methods |
US8692198B2 (en) | 2010-04-21 | 2014-04-08 | Sionyx, Inc. | Photosensitive imaging devices and associated methods |
WO2011160130A2 (en) | 2010-06-18 | 2011-12-22 | Sionyx, Inc | High speed photosensitive devices and associated methods |
US8378398B2 (en) * | 2010-09-30 | 2013-02-19 | Omnivision Technologies, Inc. | Photodetector isolation in image sensors |
US20120080731A1 (en) * | 2010-09-30 | 2012-04-05 | Doan Hung Q | Photodetector isolation in image sensors |
US9496308B2 (en) | 2011-06-09 | 2016-11-15 | Sionyx, Llc | Process module for increasing the response of backside illuminated photosensitive imagers and associated methods |
WO2013010127A2 (en) | 2011-07-13 | 2013-01-17 | Sionyx, Inc. | Biometric imaging devices and associated methods |
US9064764B2 (en) | 2012-03-22 | 2015-06-23 | Sionyx, Inc. | Pixel isolation elements, devices, and associated methods |
US9659981B2 (en) * | 2012-04-25 | 2017-05-23 | Taiwan Semiconductor Manufacturing Co., Ltd. | Backside illuminated image sensor with negatively charged layer |
US8921187B2 (en) * | 2013-02-26 | 2014-12-30 | Omnivision Technologies, Inc. | Process to eliminate lag in pixels having a plasma-doped pinning layer |
US9006080B2 (en) * | 2013-03-12 | 2015-04-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Varied STI liners for isolation structures in image sensing devices |
WO2014151093A1 (en) | 2013-03-15 | 2014-09-25 | Sionyx, Inc. | Three dimensional imaging utilizing stacked imager devices and associated methods |
US9369648B2 (en) * | 2013-06-18 | 2016-06-14 | Alexander Krymski | Image sensors, methods, and pixels with tri-level biased transfer gates |
WO2014209421A1 (en) | 2013-06-29 | 2014-12-31 | Sionyx, Inc. | Shallow trench textured regions and associated methods |
US9147710B2 (en) | 2013-07-23 | 2015-09-29 | Taiwan Semiconductor Manufacturing Co., Ltd. | Photodiode gate dielectric protection layer |
KR102131327B1 (ko) | 2013-08-16 | 2020-07-07 | 삼성전자 주식회사 | 소스 팔로워를 포함하는 이미지 센서 |
US9111993B1 (en) * | 2014-08-21 | 2015-08-18 | Omnivision Technologies, Inc. | Conductive trench isolation |
WO2017024121A1 (en) | 2015-08-04 | 2017-02-09 | Artilux Corporation | Germanium-silicon light sensing apparatus |
US9466753B1 (en) * | 2015-08-27 | 2016-10-11 | Globalfoundries Inc. | Photodetector methods and photodetector structures |
US9847363B2 (en) * | 2015-10-20 | 2017-12-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device with a radiation sensing region and method for forming the same |
US10418407B2 (en) | 2015-11-06 | 2019-09-17 | Artilux, Inc. | High-speed light sensing apparatus III |
US9728575B1 (en) * | 2016-02-08 | 2017-08-08 | Semiconductor Components Industries, Llc | Pixel and circuit design for image sensors with hole-based photodiodes |
JP6789653B2 (ja) * | 2016-03-31 | 2020-11-25 | キヤノン株式会社 | 光電変換装置およびカメラ |
TWI585962B (zh) * | 2016-04-18 | 2017-06-01 | 恆景科技股份有限公司 | 互補金屬氧化物半導體影像感測器及形成方法 |
JP6911767B2 (ja) | 2016-04-25 | 2021-07-28 | ソニーグループ株式会社 | 固体撮像素子およびその製造方法、並びに電子機器 |
TWI745582B (zh) * | 2017-04-13 | 2021-11-11 | 美商光程研創股份有限公司 | 鍺矽光偵測裝置 |
US10672810B2 (en) | 2017-10-31 | 2020-06-02 | Taiwan Semiconductor Manufacturing Co., Ltd. | CMOS image sensor with shallow trench edge doping |
JPWO2019093150A1 (ja) * | 2017-11-09 | 2020-11-26 | ソニーセミコンダクタソリューションズ株式会社 | 撮像素子、電子機器 |
US10475828B2 (en) * | 2017-11-21 | 2019-11-12 | Taiwan Semiconductor Manufacturing Co., Ltd. | Image sensor device structure with doping layer in light-sensing region |
US11448830B2 (en) | 2018-12-12 | 2022-09-20 | Artilux, Inc. | Photo-detecting apparatus with multi-reset mechanism |
TW202104927A (zh) | 2019-06-19 | 2021-02-01 | 美商光程研創股份有限公司 | 光偵測裝置以及電流再利用方法 |
CN112397529A (zh) * | 2019-08-12 | 2021-02-23 | 天津大学青岛海洋技术研究院 | 带有低噪声源跟随器的图像传感器像素结构及其制作方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7102184B2 (en) * | 2003-06-16 | 2006-09-05 | Micron Technology, Inc. | Image device and photodiode structure |
US7148528B2 (en) * | 2003-07-02 | 2006-12-12 | Micron Technology, Inc. | Pinned photodiode structure and method of formation |
US7385238B2 (en) * | 2004-08-16 | 2008-06-10 | Micron Technology, Inc. | Low dark current image sensors with epitaxial SiC and/or carbonated channels for array transistors |
JP4967237B2 (ja) * | 2005-01-28 | 2012-07-04 | パナソニック株式会社 | 固体撮像装置 |
US7141836B1 (en) | 2005-05-31 | 2006-11-28 | International Business Machines Corporation | Pixel sensor having doped isolation structure sidewall |
US7728277B2 (en) * | 2005-11-16 | 2010-06-01 | Eastman Kodak Company | PMOS pixel structure with low cross talk for active pixel image sensors |
US20070200196A1 (en) * | 2006-02-24 | 2007-08-30 | Lattice Semiconductor Corporation | Shallow trench isolation (STI) devices and processes |
US20090243025A1 (en) * | 2008-03-25 | 2009-10-01 | Stevens Eric G | Pixel structure with a photodetector having an extended depletion depth |
US7800147B2 (en) * | 2008-03-27 | 2010-09-21 | International Business Machines Corporation | CMOS image sensor with reduced dark current |
US8618458B2 (en) * | 2008-11-07 | 2013-12-31 | Omnivision Technologies, Inc. | Back-illuminated CMOS image sensors |
US20100140668A1 (en) * | 2008-12-08 | 2010-06-10 | Stevens Eric G | Shallow trench isolation regions in image sensors |
US20100148230A1 (en) * | 2008-12-11 | 2010-06-17 | Stevens Eric G | Trench isolation regions in image sensors |
US8018016B2 (en) * | 2009-06-26 | 2011-09-13 | Omnivision Technologies, Inc. | Back-illuminated image sensors having both frontside and backside photodetectors |
US8654232B2 (en) * | 2010-08-25 | 2014-02-18 | Sri International | Night vision CMOS imager with optical pixel cavity |
US20120080731A1 (en) * | 2010-09-30 | 2012-04-05 | Doan Hung Q | Photodetector isolation in image sensors |
US8378398B2 (en) * | 2010-09-30 | 2013-02-19 | Omnivision Technologies, Inc. | Photodetector isolation in image sensors |
US8101450B1 (en) * | 2010-12-13 | 2012-01-24 | Omnivision Technologies, Inc. | Photodetector isolation in image sensors |
-
2010
- 2010-12-13 US US12/966,224 patent/US8378398B2/en active Active
-
2011
- 2011-09-13 TW TW100132899A patent/TWI456750B/zh active
- 2011-09-29 CN CN201110307872.9A patent/CN102446940B/zh active Active
-
2012
- 2012-11-09 HK HK12111382.9A patent/HK1170843A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
TW201222801A (en) | 2012-06-01 |
TWI456750B (zh) | 2014-10-11 |
US20120080733A1 (en) | 2012-04-05 |
US8378398B2 (en) | 2013-02-19 |
CN102446940A (zh) | 2012-05-09 |
HK1170843A1 (zh) | 2013-03-08 |
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