KR20090071831A - 이미지센서 및 그 제조방법 - Google Patents
이미지센서 및 그 제조방법 Download PDFInfo
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- KR20090071831A KR20090071831A KR1020070139749A KR20070139749A KR20090071831A KR 20090071831 A KR20090071831 A KR 20090071831A KR 1020070139749 A KR1020070139749 A KR 1020070139749A KR 20070139749 A KR20070139749 A KR 20070139749A KR 20090071831 A KR20090071831 A KR 20090071831A
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- Prior art keywords
- photodiode
- layer
- substrate
- image sensor
- ion implantation
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 23
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000004065 semiconductor Substances 0.000 claims abstract description 18
- 238000005468 ion implantation Methods 0.000 claims description 29
- 238000000926 separation method Methods 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 230000007547 defect Effects 0.000 abstract description 7
- 239000013078 crystal Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 description 8
- 230000010354 integration Effects 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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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
- H01L27/1463—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
- H01L27/14601—Structural or functional details thereof
- H01L27/14632—Wafer-level processed 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
- H01L27/14634—Assemblies, i.e. Hybrid 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
- H01L27/14636—Interconnect 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
- H01L27/1469—Assemblies, i.e. hybrid integration
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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 (10)
- 배선을 포함하는 회로(circuitry)가 형성된 제1 기판;상기 제1 기판과 본딩된 결정형 반도체층(crystalline semiconductor layer)에 형성되면서, 상기 배선과 전기적으로 연결된 포토다이오드; 및상기 포토다이오드에 형성된 이온주입 분리층;을 포함하는 것을 특징으로 하는 이미지센서의 제조방법.
- 제1 항에 있어서,상기 포토다이오드는,상기 결정형 반도체층 내에 형성된 제2 도전형 전도층; 및상기 제2 도전형 전도층 상에 형성된 제1 도전형 전도층;을 포함하는 것을 특징으로 하는 이미지센서.
- 제2 항에 있어서,상기 이온주입 분리층은,상기 포토다이오드의 필셀 경계에 형성된 제2 도전형 제2 이온주입 분리층을 포함하는 것을 특징으로 하는 이미지센서.
- 제3 항에 있어서,상기 이온주입 분리층은,상기 제1 도전형 전도층 하측에 형성된 제2 도전형 제1 이온주입 분리층을 더 포함하는 것을 특징으로 하는 이미지센서.
- 제1 항 내지 제4 항 중 어느 하나의 항에 있어서,상기 포토다이오드와 상기 배선 사이에 형성된 절연층; 및상기 절연층에 형성된 메탈패드;를 더 포함하는 것을 특징으로 하는 이미지센서.
- 제1 기판에 배선을 포함하는 회로(circuitry)를 형성하는 단계;제2 기판의 결정형 반도체층(crystalline semiconductor layer)에 포토다이오드를 형성하는 단계;상기 포토다이오드에 이온주입 분리층을 형성하는 단계; 및상기 포토다이오드와 상기 배선이 접촉하도록 상기 제2 기판과 제1 기판을 본딩하는 단계; 및상기 제2 기판의 하측을 제거하여 상기 포토다이오드를 노출시키는 단계;를 포함하는 것을 특징으로 하는 이미지센서의 제조방법.
- 제6 항에 있어서,상기 포토다이오드를 형성하는 단계는,상기 결정형 반도체층 내에 제2 도전형 전도층을 형성하는 단계; 및상기 제2 도전형 전도층 상에 제1 도전형 전도층을 형성하는 단계;를 포함하는 것을 특징으로 하는 이미지센서의 제조방법.
- 제7 항에 있어서,상기 포토다이오드에 이온주입 분리층을 형성하는 단계는,상기 제1 도전형 전도층 상에 제2 도전형 제1 이온주입 분리층을 형성하는 단계를 포함하는 것을 특징으로 하는 이미지센서의 제조방법.
- 제8 항에 있어서,상기 포토다이오드에 이온주입 분리층을 형성하는 단계는,상기 포토다이오드의 필셀 경계에 제2 도전형 제2 이온주입 분리층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 이미지센서의 제조방법.
- 제6 항 내지 제9 항 중 어느 하나의 항에 있어서,상기 본딩 전에 상기 제2 기판의 포토다이오드 상에 절연층을 형성하는 단계; 및상기 절연층에 메탈패드를 형성하는 단계;를 더 포함하는 것을 특징으로 하는 이미지센서의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070139749A KR100936105B1 (ko) | 2007-12-28 | 2007-12-28 | 이미지센서 및 그 제조방법 |
CN2008101906431A CN101471374B (zh) | 2007-12-28 | 2008-12-26 | 图像传感器及其制造方法 |
US12/344,538 US7867808B2 (en) | 2007-12-28 | 2008-12-28 | Image sensor and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070139749A KR100936105B1 (ko) | 2007-12-28 | 2007-12-28 | 이미지센서 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20090071831A true KR20090071831A (ko) | 2009-07-02 |
KR100936105B1 KR100936105B1 (ko) | 2010-01-11 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020070139749A KR100936105B1 (ko) | 2007-12-28 | 2007-12-28 | 이미지센서 및 그 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7867808B2 (ko) |
KR (1) | KR100936105B1 (ko) |
CN (1) | CN101471374B (ko) |
Families Citing this family (2)
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KR101046060B1 (ko) * | 2008-07-29 | 2011-07-01 | 주식회사 동부하이텍 | 이미지센서 제조방법 |
CN105261623A (zh) * | 2014-07-16 | 2016-01-20 | 中芯国际集成电路制造(上海)有限公司 | 芯片、其制备方法、及包括其的图像传感器 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US6001664A (en) * | 1996-02-01 | 1999-12-14 | Cielo Communications, Inc. | Method for making closely-spaced VCSEL and photodetector on a substrate |
US6960757B2 (en) * | 2001-06-18 | 2005-11-01 | Foveon, Inc. | Simplified wiring schemes for vertical color filter pixel sensors |
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 |
KR100889365B1 (ko) * | 2004-06-11 | 2009-03-19 | 이상윤 | 3차원 구조의 영상센서와 그 제작방법 |
US6852565B1 (en) | 2003-07-10 | 2005-02-08 | Galaxcore, Inc. | CMOS image sensor with substrate noise barrier |
US7199411B2 (en) * | 2003-09-03 | 2007-04-03 | Matsushita Electric Industrial Co., Ltd. | Solid-state imaging device and camera |
KR100558529B1 (ko) * | 2003-09-23 | 2006-03-10 | 동부아남반도체 주식회사 | 씨모스 이미지 센서 및 그 제조 방법 |
KR100538069B1 (ko) * | 2003-12-16 | 2005-12-20 | 매그나칩 반도체 유한회사 | 암신호 감소를 위한 이미지센서의 소자분리 방법 |
KR100642760B1 (ko) * | 2005-03-28 | 2006-11-10 | 삼성전자주식회사 | 이미지 센서 및 그 제조 방법 |
KR100772891B1 (ko) * | 2005-10-04 | 2007-11-05 | 삼성전자주식회사 | 이미지 센서 및 그 제조 방법 |
-
2007
- 2007-12-28 KR KR1020070139749A patent/KR100936105B1/ko active IP Right Grant
-
2008
- 2008-12-26 CN CN2008101906431A patent/CN101471374B/zh not_active Expired - Fee Related
- 2008-12-28 US US12/344,538 patent/US7867808B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN101471374A (zh) | 2009-07-01 |
US20090166779A1 (en) | 2009-07-02 |
US7867808B2 (en) | 2011-01-11 |
CN101471374B (zh) | 2011-05-25 |
KR100936105B1 (ko) | 2010-01-11 |
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