KR20010114031A - 감도를 향상시키는 씨모스 액티브 픽셀 - Google Patents
감도를 향상시키는 씨모스 액티브 픽셀 Download PDFInfo
- Publication number
- KR20010114031A KR20010114031A KR1020000033924A KR20000033924A KR20010114031A KR 20010114031 A KR20010114031 A KR 20010114031A KR 1020000033924 A KR1020000033924 A KR 1020000033924A KR 20000033924 A KR20000033924 A KR 20000033924A KR 20010114031 A KR20010114031 A KR 20010114031A
- Authority
- KR
- South Korea
- Prior art keywords
- impurity layer
- predetermined
- layer
- floating
- cmos active
- Prior art date
Links
- 230000035945 sensitivity Effects 0.000 title abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 59
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 230000004044 response Effects 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 description 11
- 238000005381 potential energy Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- H01L27/14601—Structural or functional details thereof
- H01L27/14609—Pixel-elements with integrated switching, control, storage or amplification elements
- H01L27/1461—Pixel-elements with integrated switching, control, storage or amplification elements characterised by the photosensitive area
-
- 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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- 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 (3)
- 씨모스(CMOS) 액티브 픽셀에 있어서,소정형으로 도핑되며, 소정의 신호 전하를 수신하는 부유 불순물층;수광되는 빛(光)의 에너지에 따라, 상기 신호 전하를 상기 부유 불순물층에 생성하도록 하며, 상기 소정형으로 도핑되는 다이오드 불순물층을 포함하는 포토 다이오드;소정의 제어 신호에 응답하여, 상기 부유 불순물층을 소정 레벨로 제어하는 리셋부;상기 부유 불순물층의 전압 레벨에 응답하여, 소정 레벨의 출력 신호를 발생하는 출력부; 및소정의 에너지 장벽을 이용하여, 상기 부유 불순물층과 상기 다이오드 불순물층을 전기적으로 격리시킬 수 있는 격리층을 포함하는 것을 특징으로 하는 씨모스 액티브 픽셀.
- 제1 항에 있어서,상기 격리층은 상기 소정형으로 도핑되며,상기 격리층의 도핑 농도는 상기 부유 불순물층 및 상기 다이오드 불순물층의 도핑 농도보다 작은 것을 특징으로 하는 씨모스 액티브 픽셀.
- 제1 항 또는 제2 항에 있어서, 상기 소정형은N형인 것을 특징으로 하는 씨모스 액티브 픽셀.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000033924A KR100364604B1 (ko) | 2000-06-20 | 2000-06-20 | 감도를 향상시키는 씨모스 액티브 픽셀 |
TW090112679A TW516184B (en) | 2000-06-20 | 2001-05-25 | CMOS active pixel for improving sensitivity |
JP2001174756A JP2002094042A (ja) | 2000-06-20 | 2001-06-08 | Cmosアクティブピクセル |
CNB011292709A CN1260824C (zh) | 2000-06-20 | 2001-06-19 | 高灵敏度的互补金属氧化物半导体有源像素 |
US09/883,493 US6528833B2 (en) | 2000-06-20 | 2001-06-19 | CMOS active pixel for improving sensitivity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000033924A KR100364604B1 (ko) | 2000-06-20 | 2000-06-20 | 감도를 향상시키는 씨모스 액티브 픽셀 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010114031A true KR20010114031A (ko) | 2001-12-29 |
KR100364604B1 KR100364604B1 (ko) | 2002-12-16 |
Family
ID=19672775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000033924A KR100364604B1 (ko) | 2000-06-20 | 2000-06-20 | 감도를 향상시키는 씨모스 액티브 픽셀 |
Country Status (1)
Country | Link |
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KR (1) | KR100364604B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100456067B1 (ko) * | 2002-04-12 | 2004-11-08 | 한국과학기술원 | Cmos 이미지센서의 단위화소 |
KR100700268B1 (ko) * | 2001-11-12 | 2007-03-26 | 매그나칩 반도체 유한회사 | 씨모스 이미지 센서 및 그 제조방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01232761A (ja) * | 1988-03-14 | 1989-09-18 | Matsushita Electron Corp | 固体撮像装置 |
JP2965777B2 (ja) * | 1992-01-29 | 1999-10-18 | オリンパス光学工業株式会社 | 固体撮像装置 |
US5625210A (en) * | 1995-04-13 | 1997-04-29 | Eastman Kodak Company | Active pixel sensor integrated with a pinned photodiode |
US5949061A (en) * | 1997-02-27 | 1999-09-07 | Eastman Kodak Company | Active pixel sensor with switched supply row select |
US5880495A (en) * | 1998-01-08 | 1999-03-09 | Omnivision Technologies, Inc. | Active pixel with a pinned photodiode |
JP2996642B2 (ja) * | 1998-04-27 | 2000-01-11 | 行政院國家科學委員會 | アクティブピクセルイメージセンサ |
-
2000
- 2000-06-20 KR KR1020000033924A patent/KR100364604B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100700268B1 (ko) * | 2001-11-12 | 2007-03-26 | 매그나칩 반도체 유한회사 | 씨모스 이미지 센서 및 그 제조방법 |
KR100456067B1 (ko) * | 2002-04-12 | 2004-11-08 | 한국과학기술원 | Cmos 이미지센서의 단위화소 |
Also Published As
Publication number | Publication date |
---|---|
KR100364604B1 (ko) | 2002-12-16 |
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