JP4384113B2 - Cmosイメージセンサ - Google Patents
Cmosイメージセンサ Download PDFInfo
- Publication number
- JP4384113B2 JP4384113B2 JP2005369235A JP2005369235A JP4384113B2 JP 4384113 B2 JP4384113 B2 JP 4384113B2 JP 2005369235 A JP2005369235 A JP 2005369235A JP 2005369235 A JP2005369235 A JP 2005369235A JP 4384113 B2 JP4384113 B2 JP 4384113B2
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- JP
- Japan
- Prior art keywords
- region
- gate electrode
- epitaxial layer
- type impurity
- image sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012535 impurity Substances 0.000 claims description 56
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 25
- 229910052710 silicon Inorganic materials 0.000 claims description 25
- 239000010703 silicon Substances 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 20
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 40
- 230000008569 process Effects 0.000 description 36
- 238000004519 manufacturing process Methods 0.000 description 26
- 150000002500 ions Chemical class 0.000 description 16
- 238000012546 transfer Methods 0.000 description 13
- 238000002955 isolation Methods 0.000 description 10
- 238000005468 ion implantation Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000005036 potential barrier Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000001444 catalytic combustion detection Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002513 implantation Methods 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
- 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
-
- 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
-
- 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
- H01L27/1463—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
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)
- Transforming Light Signals Into Electric Signals (AREA)
Description
図4Aに示したように、P型半導体基板31に低濃度のP型(P−)エピタキシャル層32を形成する。アクティブ領域と素子分離領域とを決めるマスクを用いて露光し、現像して素子分離領域のエピタキシャル層32を所定の深さでエッチングしてトレンチを形成する。
Claims (2)
- フォトダイオード領域とトランジスタ領域とが区画された第1導電型半導体基板と、
前記半導体基板のフォトダイオード領域に形成される第2導電型不純物領域と、
前記半導体基板のトランジスタ形成領域上に形成されるゲート電極と、
前記第2導電型不純物領域の上側を除いた前記ゲート電極の側壁及び前記ゲート電極上を含む前記半導体基板の全面に形成される絶縁膜と、
前記第2導電型不純物領域の上側に形成され、第1導電型の不純物でドーピングされたシリコンエピタキシャル層と、
前記ゲート電極の側壁に前記絶縁膜を介して形成されるスペーサであって、前記シリコンエピタキシャル層側に形成される前記スペーサは、前記シリコンエピタキシャル層上に形成される、スペーサと、
前記フォトダイオード領域の上側のシリコンエピタキシャル層に形成される第1導電型不純物イオン領域と、
前記ゲート電極と前記スペーサの下側の前記半導体基板の表面に形成された第1導電型の不純物イオン領域と、
を含み、前記シリコンエピタキシャル層は、前記ゲート電極の下側の半導体基板の表面より更に高く形成されることを特徴とするCMOSイメージセンサ。 - 前記ゲート電極と前記シリコンエピタキシャル層とは、前記ゲート電極の側壁に形成されている前記絶縁膜を介して隔離されていることを特徴とする請求項1に記載のCMOSイメージセンサ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040114784A KR100672701B1 (ko) | 2004-12-29 | 2004-12-29 | 씨모스(cmos) 이미지 센서 및 그의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006191035A JP2006191035A (ja) | 2006-07-20 |
JP4384113B2 true JP4384113B2 (ja) | 2009-12-16 |
Family
ID=36610392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005369235A Expired - Fee Related JP4384113B2 (ja) | 2004-12-29 | 2005-12-22 | Cmosイメージセンサ |
Country Status (5)
Country | Link |
---|---|
US (2) | US7294522B2 (ja) |
JP (1) | JP4384113B2 (ja) |
KR (1) | KR100672701B1 (ja) |
CN (1) | CN100466279C (ja) |
DE (1) | DE102005062952B4 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100649012B1 (ko) * | 2004-12-30 | 2006-11-27 | 동부일렉트로닉스 주식회사 | 색재현성 향상을 위한 씨모스 이미지 센서 및 그 제조방법 |
KR100721661B1 (ko) * | 2005-08-26 | 2007-05-23 | 매그나칩 반도체 유한회사 | 이미지 센서 및 그 제조 방법 |
KR100748342B1 (ko) | 2005-09-14 | 2007-08-09 | 매그나칩 반도체 유한회사 | 씨모스 이미지 센서의 제조방법 |
KR100741877B1 (ko) * | 2005-12-29 | 2007-07-23 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서 및 이의 제조 방법 |
KR100832721B1 (ko) * | 2006-12-27 | 2008-05-28 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서의 제조방법 |
TWI436474B (zh) * | 2007-05-07 | 2014-05-01 | Sony Corp | A solid-state image pickup apparatus, a manufacturing method thereof, and an image pickup apparatus |
US20080299700A1 (en) * | 2007-05-28 | 2008-12-04 | Bang-Chiang Lan | Method for fabricating photodiode |
KR100871792B1 (ko) * | 2007-06-26 | 2008-12-05 | 주식회사 동부하이텍 | 이미지센서 및 그 제조방법 |
CN101399223B (zh) * | 2007-09-26 | 2010-09-29 | 中芯国际集成电路制造(上海)有限公司 | Cmos图像传感器及其形成方法 |
US8257997B2 (en) * | 2007-10-17 | 2012-09-04 | Sifotonics Technologies (Usa) Inc. | Semiconductor photodetectors |
KR20100079066A (ko) * | 2008-12-30 | 2010-07-08 | 주식회사 동부하이텍 | 이미지센서 및 그 제조방법 |
JP5446280B2 (ja) * | 2009-01-16 | 2014-03-19 | ソニー株式会社 | 固体撮像素子とその製造方法、及び撮像装置 |
EP2327958A1 (en) * | 2009-11-26 | 2011-06-01 | Leica Geosystems AG | Rotating construction laser with a dual grade mechanism |
KR101045084B1 (ko) * | 2010-07-12 | 2011-06-29 | 주식회사 디알텍 | 엑스선 검출기 및 검출방법 |
JP2013110250A (ja) * | 2011-11-21 | 2013-06-06 | Toshiba Corp | 固体撮像装置及びその製造方法 |
CN102683373B (zh) * | 2012-05-10 | 2013-06-19 | 天津大学 | 大感光面积cmos图像传感器像素结构及生成方法 |
CN102881703B (zh) * | 2012-09-29 | 2016-04-06 | 中国科学院上海高等研究院 | 图像传感器及其制备方法 |
US9287319B2 (en) * | 2012-11-16 | 2016-03-15 | Sri International | CMOS multi-pinned (MP) pixel |
CN109461750A (zh) * | 2018-11-13 | 2019-03-12 | 德淮半导体有限公司 | 图像传感器及制造图像传感器的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05198787A (ja) * | 1991-11-08 | 1993-08-06 | Canon Inc | 固体撮像装置及びその製造方法 |
US6690423B1 (en) * | 1998-03-19 | 2004-02-10 | Kabushiki Kaisha Toshiba | Solid-state image pickup apparatus |
KR100399951B1 (ko) * | 1998-12-30 | 2003-12-18 | 주식회사 하이닉스반도체 | 칼라이미지센서제조방법 |
WO2002033755A2 (en) * | 2000-10-19 | 2002-04-25 | Augusto Carlos J R P | Method of fabricating heterojunction photodiodes integrated with cmos |
KR100790210B1 (ko) | 2001-06-30 | 2008-01-02 | 매그나칩 반도체 유한회사 | 이미지센서 및 그 제조방법 |
KR100494030B1 (ko) * | 2002-01-10 | 2005-06-10 | 매그나칩 반도체 유한회사 | 이미지센서 및 그 제조 방법 |
JP2004014911A (ja) * | 2002-06-10 | 2004-01-15 | Renesas Technology Corp | 半導体装置およびその製造方法 |
US6847051B2 (en) * | 2003-05-23 | 2005-01-25 | Micron Technology, Inc. | Elevated photodiode in an image sensor |
KR100672713B1 (ko) * | 2004-06-09 | 2007-01-22 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서의 제조방법 |
KR100634444B1 (ko) * | 2004-12-20 | 2006-10-16 | 삼성전자주식회사 | 수광 소자 및 그 형성 방법 |
KR100672668B1 (ko) * | 2004-12-29 | 2007-01-24 | 동부일렉트로닉스 주식회사 | Cmos 이미지 센서 및 그의 제조 방법 |
JP2006191054A (ja) * | 2004-12-29 | 2006-07-20 | Dongbuanam Semiconductor Inc | Cmosイメージセンサの製造方法 |
KR100672669B1 (ko) * | 2004-12-29 | 2007-01-24 | 동부일렉트로닉스 주식회사 | Cmos 이미지 센서 및 그의 제조 방법 |
US20070018269A1 (en) * | 2005-07-21 | 2007-01-25 | Omnivision Technologies, Inc. | Raised silicon photodiode |
-
2004
- 2004-12-29 KR KR1020040114784A patent/KR100672701B1/ko not_active IP Right Cessation
-
2005
- 2005-12-22 JP JP2005369235A patent/JP4384113B2/ja not_active Expired - Fee Related
- 2005-12-26 CN CNB2005101376022A patent/CN100466279C/zh not_active Expired - Fee Related
- 2005-12-28 US US11/318,502 patent/US7294522B2/en not_active Expired - Fee Related
- 2005-12-29 DE DE102005062952A patent/DE102005062952B4/de not_active Expired - Fee Related
-
2007
- 2007-10-03 US US11/905,746 patent/US20080029792A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN1819242A (zh) | 2006-08-16 |
KR20060076389A (ko) | 2006-07-04 |
DE102005062952B4 (de) | 2010-05-12 |
CN100466279C (zh) | 2009-03-04 |
JP2006191035A (ja) | 2006-07-20 |
US20060138471A1 (en) | 2006-06-29 |
US7294522B2 (en) | 2007-11-13 |
KR100672701B1 (ko) | 2007-01-22 |
US20080029792A1 (en) | 2008-02-07 |
DE102005062952A1 (de) | 2006-08-10 |
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