KR100304401B1 - 능동픽셀센서셀디바이스및그제조방법 - Google Patents
능동픽셀센서셀디바이스및그제조방법 Download PDFInfo
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- KR100304401B1 KR100304401B1 KR1019980041129A KR19980041129A KR100304401B1 KR 100304401 B1 KR100304401 B1 KR 100304401B1 KR 1019980041129 A KR1019980041129 A KR 1019980041129A KR 19980041129 A KR19980041129 A KR 19980041129A KR 100304401 B1 KR100304401 B1 KR 100304401B1
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- Prior art keywords
- region
- active pixel
- pixel sensor
- logic
- sensor cell
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 230000009977 dual effect Effects 0.000 title abstract description 6
- 239000000758 substrate Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 21
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 238000000407 epitaxy Methods 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000036039 immunity Effects 0.000 abstract description 2
- 230000031700 light absorption Effects 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000004298 light response Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 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
- H01L27/14609—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
-
- 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
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
-
- 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
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14687—Wafer level processing
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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)
Abstract
Description
Claims (7)
- 능동 픽셀 센서 셀에 있어서,① 제 1 농도로 도핑되며 상부면을 갖는 기판과,② 다수의 감광성 디바이스 및 논리 디바이스와,③ 상기 상부면으로부터 적어도 일부 상기 논리 디바이스 하의 상기 기판 내부로 제 1 거리만큼 제 2 농도로 도핑된 층을 포함하며,상기 제 2 농도로 도핑된 층은 상기 상부면으로부터 적어도 일부 상기 감광성 디바이스 하의 상기 기판 내부로 상기 제 1 거리보다 더 긴 제 2 거리만큼 연장되는능동 픽셀 센서 셀.
- 능동 픽셀 센서 셀 디바이스에 있어서,① 가변 두께의 p- 층과,② 상기 p- 층이 제 1 두께를 갖는 논리 영역과,③ 상기 논리 영역에 인접하는 픽셀 영역―상기 p- 층이 상기 제 1 두께보다더 두꺼운 제 2 두께를 가짐―을 포함하는능동 픽셀 센서 셀 디바이스.
- 제 2 항에 있어서,상기 픽셀 영역은 적어도 하나의 감광성 디바이스를 포함하는 능동 픽셀 센서 셀 디바이스.
- 제 3 항에 있어서,상기 논리 영역은상기 감광성 디바이스와 직렬로 연결되어 상기 감광성 디바이스로부터 전자들을 전송하기 위한 적어도 하나의 전송 디바이스와,상기 전송 디바이스를 통해 흐르는 전자들을 축적하기 위한 적어도 하나의 프리챠지 디바이스와,상기 프리챠지 디바이스에 의해 축적된 전자들을 증폭하기 위한 적어도 하나의 소스 팔로워 디바이스와,출력 신호를 제어하기 위한 적어도 하나의 비트 스위치 디바이스를 포함하는 능동 픽셀 센서 셀 디바이스.
- 제 3 항에 있어서,상기 논리 영역은 디코더, 내장형 마이크로프로세서, 신호 처리 소자, 또는유사한 회로로 구성되는 그룹으로부터 적어도 하나의 논리 디바이스를 포함하는 능동 픽셀 센서 셀 디바이스.
- 능동 픽셀 센서 디바이스 제조 방법에 있어서,(a) p+ 영역과 p- 에피택시 영역을 갖는 p 타입 웨이퍼 기판을 마련하는 단계―상기 p+ 영역 및 p- 영역의 일부분은 논리 영역을 규정하고 상기 영역의 다른 부분은 픽셀 영역을 규정함―와,(b) 상기 논리 영역에 위치한 p- 에피택시 영역에 p+ 영역을 주입하는 단계와,(c) 상기 논리 영역 및 픽셀 영역 위의 기판 상에 p- 에피택셜층을 생성시키는 단계를 포함하는능동 픽셀 센서 디바이스 제조 방법.
- 능동 픽셀 센서 디바이스 제조 방법에 있어서,(a) p+ 웨이퍼 기판을 마련하는 단계―상기 p+ 영역의 일부분은 논리 영역을 규정하고 p+ 영역의 다른 부분은 픽셀 영역을 규정함―와,(b) 상기 픽셀 영역을 에칭하고 상기 픽셀 영역에 p- 실리콘을 성장시키는 단계와,(c) 상기 논리 영역 및 픽셀 영역 위의 기판 상에 p- 에피택셜층을 생성시키는 단계를 포함하는능동 픽셀 센서 디바이스 제조 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/948,739 | 1997-10-10 | ||
US08/948,739 US5898196A (en) | 1997-10-10 | 1997-10-10 | Dual EPI active pixel cell design and method of making the same |
US8/948,739 | 1997-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990036736A KR19990036736A (ko) | 1999-05-25 |
KR100304401B1 true KR100304401B1 (ko) | 2001-09-24 |
Family
ID=25488210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980041129A KR100304401B1 (ko) | 1997-10-10 | 1998-09-30 | 능동픽셀센서셀디바이스및그제조방법 |
Country Status (3)
Country | Link |
---|---|
US (2) | US5898196A (ko) |
KR (1) | KR100304401B1 (ko) |
TW (1) | TW424337B (ko) |
Families Citing this family (43)
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US7199410B2 (en) * | 1999-12-14 | 2007-04-03 | Cypress Semiconductor Corporation (Belgium) Bvba | Pixel structure with improved charge transfer |
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JP3554483B2 (ja) | 1998-04-22 | 2004-08-18 | シャープ株式会社 | Cmos型固体撮像装置 |
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US6215165B1 (en) * | 1998-06-17 | 2001-04-10 | Intel Corporation | Reduced leakage trench isolation |
JP2000049237A (ja) * | 1998-07-28 | 2000-02-18 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
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US6590242B1 (en) * | 1999-02-25 | 2003-07-08 | Canon Kabushiki Kaisha | Light-receiving element and photoelectric conversion device |
KR100384836B1 (ko) * | 1999-06-28 | 2003-05-22 | 주식회사 하이닉스반도체 | 이미지센서 및 그 제조방법 |
US6853044B1 (en) * | 1999-06-29 | 2005-02-08 | Hynix Semiconductor Inc. | Image sensor with improved dynamic range by applying negative voltage to unit pixel |
DE19933162B4 (de) * | 1999-07-20 | 2004-11-11 | Institut für Mikroelektronik Stuttgart Stiftung des öffentlichen Rechts | Bildzelle, Bildsensor und Herstellungsverfahren hierfür |
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US7728277B2 (en) * | 2005-11-16 | 2010-06-01 | Eastman Kodak Company | PMOS pixel structure with low cross talk for active pixel image sensors |
KR101534544B1 (ko) * | 2008-09-17 | 2015-07-08 | 삼성전자주식회사 | 에피 층을 갖는 픽셀 셀을 구비한 이미지 센서, 이를 포함하는 시스템, 및 픽셀 셀 형성 방법 |
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1997
- 1997-10-10 US US08/948,739 patent/US5898196A/en not_active Expired - Lifetime
-
1998
- 1998-09-22 TW TW087115767A patent/TW424337B/zh not_active IP Right Cessation
- 1998-09-30 KR KR1019980041129A patent/KR100304401B1/ko not_active IP Right Cessation
-
1999
- 1999-01-21 US US09/234,809 patent/US6333204B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
TW424337B (en) | 2001-03-01 |
US5898196A (en) | 1999-04-27 |
KR19990036736A (ko) | 1999-05-25 |
US6333204B1 (en) | 2001-12-25 |
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