KR100720497B1 - 씨모스 이미지 센서의 제조 방법 - Google Patents
씨모스 이미지 센서의 제조 방법 Download PDFInfo
- Publication number
- KR100720497B1 KR100720497B1 KR1020050134404A KR20050134404A KR100720497B1 KR 100720497 B1 KR100720497 B1 KR 100720497B1 KR 1020050134404 A KR1020050134404 A KR 1020050134404A KR 20050134404 A KR20050134404 A KR 20050134404A KR 100720497 B1 KR100720497 B1 KR 100720497B1
- Authority
- KR
- South Korea
- Prior art keywords
- image sensor
- cmos image
- poly
- gate poly
- semiconductor substrate
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title abstract description 18
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 14
- 229920005591 polysilicon Polymers 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 11
- 238000000151 deposition Methods 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
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
- H01L27/14603—Special geometry or disposition of pixel-elements, address-lines or gate-electrodes
-
- 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
-
- 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
110a, 110b, 120a, 120b, 130a, 130b, 140a, 140b : 게이트 전극
123 : 스페이서 160a, 160b : 라우팅 배선
161 : 도핑된 폴리실리콘층
Claims (3)
- 소자 격리 영역과 액티브 영역이 정의된 반도체 기판을 준비하는 단계;상기 액티브 영역 중 소정 부위에 복수개의 게이트 폴리를 형성하는 단계;상기 소정의 게이트 폴리 일측의 상기 반도체 기판에 포토 다이오드를 형성하는 단계;상기 게이트 폴리를 포함한 상기 반도체 기판 상에 산화막을 증착한 후, 이를 선택적으로 제거하여 상기 게이트 폴리의 소정 부위를 오픈하는 산화막 패턴을 형성하는 단계;상기 산화막 패턴 상부에 폴리 실리콘층을 증착한 후, 이를 선택적으로 제거하여 상기 게이트 폴리에 연결되는 라우팅 배선을 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 씨모스 이미지 센서의 제조 방법.
- 제 1항에 있어서,상기 폴리 실리콘층은 도핑된 폴리 실리콘인 것을 특징으로 하는 씨모스 이미지 센서의 제조 방법.
- 제 1항에 있어서,상기 라우팅 배선을 형성한 후, 살리사이드 공정을 더 진행하는 것을 특징으로 하는 씨모스 이미지 센서의 제조 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050134404A KR100720497B1 (ko) | 2005-12-29 | 2005-12-29 | 씨모스 이미지 센서의 제조 방법 |
US11/612,600 US7632699B2 (en) | 2005-12-29 | 2006-12-19 | Method for manufacturing CMOS image sensor |
CNB2006101712579A CN100463142C (zh) | 2005-12-29 | 2006-12-25 | 制造cmos图像传感器的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050134404A KR100720497B1 (ko) | 2005-12-29 | 2005-12-29 | 씨모스 이미지 센서의 제조 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100720497B1 true KR100720497B1 (ko) | 2007-05-22 |
Family
ID=38214351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050134404A KR100720497B1 (ko) | 2005-12-29 | 2005-12-29 | 씨모스 이미지 센서의 제조 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7632699B2 (ko) |
KR (1) | KR100720497B1 (ko) |
CN (1) | CN100463142C (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8130300B2 (en) | 2007-12-20 | 2012-03-06 | Aptina Imaging Corporation | Imager method and apparatus having combined select signals |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030090116A (ko) * | 2002-05-21 | 2003-11-28 | 주식회사 하이닉스반도체 | 반도체장치의 제조 방법 |
KR20040017040A (ko) * | 2002-08-20 | 2004-02-26 | 삼성전자주식회사 | 씨모스 이미지 센서 및 그 제조 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5217915A (en) * | 1991-04-08 | 1993-06-08 | Texas Instruments Incorporated | Method of making gate array base cell |
US5691218A (en) * | 1993-07-01 | 1997-11-25 | Lsi Logic Corporation | Method of fabricating a programmable polysilicon gate array base cell structure |
US5998269A (en) * | 1998-03-05 | 1999-12-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Technology for high performance buried contact and tungsten polycide gate integration |
US6639261B2 (en) * | 1998-12-08 | 2003-10-28 | Micron Technology, Inc. | Method for forming a low leakage contact in a CMOS imager |
US6326652B1 (en) * | 1999-06-18 | 2001-12-04 | Micron Technology, Inc., | CMOS imager with a self-aligned buried contact |
KR100479208B1 (ko) * | 2002-10-23 | 2005-03-28 | 매그나칩 반도체 유한회사 | 살리사이드 공정을 이용한 이미지센서의 제조 방법 |
US7534982B2 (en) * | 2005-06-09 | 2009-05-19 | Micron Technology, Inc. | Reduced imager crosstalk and pixel noise using extended buried contacts |
-
2005
- 2005-12-29 KR KR1020050134404A patent/KR100720497B1/ko active IP Right Grant
-
2006
- 2006-12-19 US US11/612,600 patent/US7632699B2/en active Active
- 2006-12-25 CN CNB2006101712579A patent/CN100463142C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030090116A (ko) * | 2002-05-21 | 2003-11-28 | 주식회사 하이닉스반도체 | 반도체장치의 제조 방법 |
KR20040017040A (ko) * | 2002-08-20 | 2004-02-26 | 삼성전자주식회사 | 씨모스 이미지 센서 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
CN100463142C (zh) | 2009-02-18 |
US7632699B2 (en) | 2009-12-15 |
US20070155081A1 (en) | 2007-07-05 |
CN1992223A (zh) | 2007-07-04 |
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