KR20040036048A - 살리사이드 공정을 이용한 이미지센서의 제조 방법 - Google Patents
살리사이드 공정을 이용한 이미지센서의 제조 방법 Download PDFInfo
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- KR20040036048A KR20040036048A KR1020020064833A KR20020064833A KR20040036048A KR 20040036048 A KR20040036048 A KR 20040036048A KR 1020020064833 A KR1020020064833 A KR 1020020064833A KR 20020064833 A KR20020064833 A KR 20020064833A KR 20040036048 A KR20040036048 A KR 20040036048A
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- Prior art keywords
- gate electrode
- salicide
- forming
- layer
- floating diffusion
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims abstract description 34
- 125000006850 spacer group Chemical group 0.000 claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 19
- 230000002265 prevention Effects 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 4
- 150000004767 nitrides Chemical group 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 229910021332 silicide Inorganic materials 0.000 description 21
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000012535 impurity Substances 0.000 description 8
- 238000005468 ion implantation Methods 0.000 description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 8
- 229920005591 polysilicon Polymers 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- 229910000990 Ni alloy Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000011259 mixed solution Substances 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 206010034972 Photosensitivity reaction Diseases 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910021344 molybdenum silicide Inorganic materials 0.000 description 2
- 229910021334 nickel silicide Inorganic materials 0.000 description 2
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 230000036211 photosensitivity Effects 0.000 description 2
- 210000003296 saliva Anatomy 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910021341 titanium silicide Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten 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
-
- 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
- H01L27/14601—Structural or functional details 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
- H01L27/14601—Structural or functional details thereof
- H01L27/1462—Coatings
-
- 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
- H01L27/14689—MOS based technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/981—Utilizing varying dielectric thickness
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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)
- Transforming Light Signals Into Electric Signals (AREA)
- Light Receiving Elements (AREA)
Abstract
Description
Claims (8)
- 반도체층의 선택된 영역상에 게이트전극을 형성하는 단계;상기 게이트전극의 양측벽에 절연막 스페이서를 형성하는 단계;상기 게이트전극의 일측 에지에 노출된 상기 반도체층내에 포토다이오드를 형성하는 단계;상기 게이트전극의 타측 에지에 노출된 상기 반도체층내에 플로팅디퓨젼영역을 형성하는 단계;상기 포토다이오드 상부에 상기 게이트전극의 표면 및 상기 게이트전극의 상측 모서리를 노출시키는 살리사이드방지층을 형성하는 단계;상기 노출된 게이트전극의 표면 및 상기 게이트전극의 상측 모서리에 살리사이드층을 형성하는 단계를 포함함을 특징으로 하는 이미지 센서의 제조 방법.
- 제1 항에 있어서,상기 살리사이드방지층을 형성하는 단계는,상기 게이트전극을 포함한 상기 반도체층상에 절연막을 증착하는 단계;상기 게이트전극의 표면이 드러날때까지 상기 절연막을 화학적기계적연마하는 단계; 및상기 게이트전극의 상측 모서리가 드러나도록 상기 절연막을 과도 화학적기계적연마하는 단계를 포함함을 특징으로 하는 이미지 센서의 제조 방법.
- 제2 항에 있어서,상기 절연막은 산화막인 것을 특징으로 하는 이미지 센서의 제조 방법.
- 반도체층의 선택된 영역상에 게이트전극을 형성하는 단계;상기 게이트전극의 양측벽에 절연막 스페이서를 형성하는 단계;상기 게이트전극의 일측 에지에 노출된 상기 반도체층내에 포토다이오드를 형성하는 단계;상기 게이트전극의 타측 에지에 노출된 상기 반도체층내에 플로팅디퓨젼영역을 형성하는 단계;상기 포토다이오드와 상기 플로팅디퓨젼영역 상부에 상기 게이트전극의 표면 및 상기 게이트전극의 상측 모서리를 노출시키는 살리사이드방지층을 형성하는 단계;상기 플로팅디퓨젼영역 상부의 살리사이드방지층을 제거하는 단계; 및상기 게이트전극의 표면, 상기 게이트전극의 상측 모서리 및 상기 플로팅디퓨젼영역의 상면에 살리사이드층을 동시에 형성하는 단계를 포함함을 특징으로 하는 이미지 센서의 제조 방법.
- 제4 항에 있어서,상기 살리사이드방지층을 형성하는 단계는,상기 게이트전극을 포함한 상기 반도체층상에 절연막을 증착하는 단계;상기 게이트전극의 표면이 드러날때까지 상기 절연막을 화학적기계적연마하는 단계; 및상기 게이트전극의 상측 모서리가 드러나도록 상기 절연막을 과도 화학적기계적연마하는 단계를 포함함을 특징으로 하는 이미지 센서의 제조 방법.
- 제5 항에 있어서,상기 절연막은 산화막인 것을 특징으로 하는 이미지 센서의 제조 방법.
- 제4 항에 있어서,살리사이드방지층은 산화막이고, 상기 절연막스페이서는 질화막인 것을 특징으로 하는 이미지 센서의 제조 방법.
- 제4 항에 있어서,상기 플로팅디퓨젼영역 상부의 살리사이드방지층을 제거하는 단계는,상기 살리사이드방지층상에 상기 플로팅디퓨젼영역을 오픈시키는 살리사이드마스크를 형성하는 단계;상기 살리사이드마스크에 의해 노출된 상기 플로팅디퓨젼영역 상부의 살리사이드방지층을 식각하는 단계; 및상기 살리사이드마스크를 제거하는 단계를 포함함을 특징으로 하는 이미지 센서의 제조 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0064833A KR100479208B1 (ko) | 2002-10-23 | 2002-10-23 | 살리사이드 공정을 이용한 이미지센서의 제조 방법 |
US10/318,072 US6737291B1 (en) | 2002-10-23 | 2002-12-13 | Method for fabricating image sensor using salicide process |
JP2002364404A JP4107488B2 (ja) | 2002-10-23 | 2002-12-16 | サリサイド工程を用いたイメージセンサの製造方法 |
TW091136871A TWI259576B (en) | 2002-10-23 | 2002-12-20 | Method for fabricating image sensor using salicide process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0064833A KR100479208B1 (ko) | 2002-10-23 | 2002-10-23 | 살리사이드 공정을 이용한 이미지센서의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040036048A true KR20040036048A (ko) | 2004-04-30 |
KR100479208B1 KR100479208B1 (ko) | 2005-03-28 |
Family
ID=32105622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0064833A KR100479208B1 (ko) | 2002-10-23 | 2002-10-23 | 살리사이드 공정을 이용한 이미지센서의 제조 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6737291B1 (ko) |
JP (1) | JP4107488B2 (ko) |
KR (1) | KR100479208B1 (ko) |
TW (1) | TWI259576B (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100776126B1 (ko) * | 2006-12-22 | 2007-11-15 | 매그나칩 반도체 유한회사 | 반도체 소자의 제조 방법 |
KR100866253B1 (ko) * | 2007-05-17 | 2008-10-30 | 주식회사 동부하이텍 | 이미지 센서의 제조방법 |
KR100913754B1 (ko) * | 2006-10-10 | 2009-08-24 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 이미지 센서 및 이미지 센서를 제조하는 방법 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4541666B2 (ja) * | 2002-06-20 | 2010-09-08 | 三星電子株式会社 | イメージセンサ及びその製造方法 |
EP1465258A1 (en) * | 2003-02-21 | 2004-10-06 | STMicroelectronics Limited | CMOS image sensors |
JP2004304012A (ja) * | 2003-03-31 | 2004-10-28 | Matsushita Electric Ind Co Ltd | 固体撮像装置およびその製造方法 |
KR100521966B1 (ko) * | 2003-04-29 | 2005-10-17 | 매그나칩 반도체 유한회사 | 씨모스 이미지센서의 제조방법 |
KR100984913B1 (ko) * | 2003-04-29 | 2010-10-04 | 크로스텍 캐피탈, 엘엘씨 | 씨모스 이미지센서의 제조방법 |
US6900507B1 (en) * | 2004-01-07 | 2005-05-31 | Micron Technology, Inc. | Apparatus with silicide on conductive structures |
KR100672713B1 (ko) * | 2004-06-09 | 2007-01-22 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서의 제조방법 |
KR100606934B1 (ko) * | 2004-07-05 | 2006-08-01 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서의 제조 방법 |
KR100614650B1 (ko) * | 2004-09-16 | 2006-08-22 | 삼성전자주식회사 | 이미지 센서 및 그 형성 방법 |
KR100684870B1 (ko) * | 2004-12-07 | 2007-02-20 | 삼성전자주식회사 | 씨모스 이미지 센서 및 그 형성 방법 |
KR100720474B1 (ko) * | 2005-06-17 | 2007-05-22 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서 및 그 제조방법 |
KR100720505B1 (ko) * | 2005-09-28 | 2007-05-22 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서 및 그 제조방법 |
KR100720504B1 (ko) * | 2005-09-28 | 2007-05-22 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서의 제조방법 |
US7659133B2 (en) * | 2005-12-28 | 2010-02-09 | Dongbu Electronics Co., Ltd. | Method for manufacturing CMOS image sensor |
KR100720497B1 (ko) * | 2005-12-29 | 2007-05-22 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서의 제조 방법 |
KR100857453B1 (ko) * | 2006-09-29 | 2008-09-08 | 한국전자통신연구원 | 저전압용 이미지 센서의 감광 픽셀 |
US8129764B2 (en) * | 2008-06-11 | 2012-03-06 | Aptina Imaging Corporation | Imager devices having differing gate stack sidewall spacers, method for forming such imager devices, and systems including such imager devices |
JP5387212B2 (ja) * | 2009-07-31 | 2014-01-15 | 富士通セミコンダクター株式会社 | 半導体装置及びその製造方法 |
JP5991729B2 (ja) * | 2011-10-07 | 2016-09-14 | キヤノン株式会社 | 固体撮像装置の製造方法 |
CN105529250B (zh) * | 2014-09-30 | 2020-10-09 | 中芯国际集成电路制造(上海)有限公司 | 高能离子注入方法及半导体结构 |
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KR100321744B1 (ko) * | 1999-12-28 | 2002-01-29 | 박종섭 | 광감도 및 동작 속도 개선을 위한 씨모스 이미지센서제조방법 |
US6194258B1 (en) * | 2000-01-18 | 2001-02-27 | Taiwan Semiconductor Manufacturing Company | Method of forming an image sensor cell and a CMOS logic circuit device |
KR20020045450A (ko) * | 2000-12-11 | 2002-06-19 | 박종섭 | 씨모스이미지센서 및 그 제조방법 |
US6448101B1 (en) * | 2001-12-20 | 2002-09-10 | Macronix International Co. Ltd. | Method of integrating a photodiode and a CMOS transistor with a non-volatile memory |
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2002
- 2002-10-23 KR KR10-2002-0064833A patent/KR100479208B1/ko active IP Right Grant
- 2002-12-13 US US10/318,072 patent/US6737291B1/en not_active Expired - Lifetime
- 2002-12-16 JP JP2002364404A patent/JP4107488B2/ja not_active Expired - Fee Related
- 2002-12-20 TW TW091136871A patent/TWI259576B/zh not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100913754B1 (ko) * | 2006-10-10 | 2009-08-24 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 이미지 센서 및 이미지 센서를 제조하는 방법 |
KR100776126B1 (ko) * | 2006-12-22 | 2007-11-15 | 매그나칩 반도체 유한회사 | 반도체 소자의 제조 방법 |
KR100866253B1 (ko) * | 2007-05-17 | 2008-10-30 | 주식회사 동부하이텍 | 이미지 센서의 제조방법 |
Also Published As
Publication number | Publication date |
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JP2004146762A (ja) | 2004-05-20 |
TW200406911A (en) | 2004-05-01 |
US6737291B1 (en) | 2004-05-18 |
TWI259576B (en) | 2006-08-01 |
KR100479208B1 (ko) | 2005-03-28 |
JP4107488B2 (ja) | 2008-06-25 |
US20040082154A1 (en) | 2004-04-29 |
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