JP2008306155A - イメージセンサ及びその製造方法 - Google Patents
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- JP2008306155A JP2008306155A JP2007270929A JP2007270929A JP2008306155A JP 2008306155 A JP2008306155 A JP 2008306155A JP 2007270929 A JP2007270929 A JP 2007270929A JP 2007270929 A JP2007270929 A JP 2007270929A JP 2008306155 A JP2008306155 A JP 2008306155A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 79
- 239000011229 interlayer Substances 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000004065 semiconductor Substances 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims description 96
- 238000000034 method Methods 0.000 claims description 26
- 238000005530 etching Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 description 16
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000123112 Cardium Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 229910017875 a-SiN Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 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
- 238000007740 vapor deposition Methods 0.000 description 1
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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
- H01L27/14665—Imagers using a photoconductor layer
- H01L27/14667—Colour imagers
-
- 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
- H01L27/14634—Assemblies, i.e. Hybrid structures
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/548—Amorphous silicon PV cells
Abstract
【解決手段】本発明によるイメージセンサは、半導体基板の上に段差部を有するように形成されたピクセル領域及び周辺回路領域と、上記ピクセル領域と周辺回路領域との上に形成されたCMOS回路と、上記CMOS回路を含む前記ピクセル領域及び周辺回路領域の上に形成された層間絶縁膜と、上記層間絶縁膜を貫通して形成された金属配線及びパッドと、上記ピクセル領域の層間絶縁膜の上に形成されたフォトダイオードとを含み、上記フォトダイオードは、上記周辺回路領域の層間絶縁膜の表面と同一な高さで形成することを特徴とする。
【選択図】図5
Description
Claims (13)
- 半導体基板の上に段差部を有するように形成されたピクセル領域及び周辺回路領域と、
前記ピクセル領域と周辺回路領域との上に形成されたCMOS回路と、
前記CMOS回路を含む前記ピクセル領域及び周辺回路領域の上に形成された層間絶縁膜と、
前記層間絶縁膜を貫通して形成された金属配線及びパッドと、
前記ピクセル領域の層間絶縁膜の上に形成されたフォトダイオードとを含み、
前記フォトダイオードは、前記周辺回路領域の層間絶縁膜の表面と同一な高さで形成されたことを特徴とするイメージセンサ。 - 前記ピクセル領域が形成された半導体基板は、周辺回路領域が形成された半導体基板より低い高さを有することを特徴とする請求項1に記載のイメージセンサ。
- 前記ピクセル領域の上に形成された層間絶縁膜は、前記周辺回路領域の上に形成された層間絶縁膜より低い高さで形成されたことを特徴とする請求項1に記載のイメージセンサ。
- 前記フォトダイオードは、第1導電型伝導層と、真性層と、第2導電型と、を含むことを特徴とする請求項1に記載のイメージセンサ。
- 前記フォトダイオードの真性層は、前記周辺回路領域の層間絶縁膜の表面と同一な高さで形成されたことを特徴とする請求項4に記載のイメージセンサ。
- 前記フォトダイオードの第2導電型伝導層は、前記周辺回路領域の層間絶縁膜の表面と同一な高さで形成されたことを特徴とする請求項4に記載のイメージセンサ。
- 前記フォトダイオードと、前記周辺回路領域の層間絶縁膜の少なくとも一部分と、に形成された上部電極を含むことを特徴とする請求項1に記載のイメージセンサ。
- 半導体基板に段差を有するピクセル領域と周辺回路領域とを形成する段階と、
前記ピクセル領域と周辺回路領域との上にトランジスタ回路を形成する段階と、
前記トランジスタ回路を含むピクセル領域と周辺回路領域との上に層間絶縁膜を形成する段階と、
前記層間絶縁膜を貫通する金属配線及びパッドを形成する段階と、
前記ピクセル領域の層間絶縁膜の上にフォトダイオードを形成する段階と、
前記フォトダイオードと、前記周辺回路領域の層間絶縁膜の表面と、が同一な高さを有するように形成する段階と、
を含むことを特徴とするイメージセンサの製造方法。 - 前記ピクセル領域が形成された半導体基板は、エッチングされて前記周辺回路領域が形成された半導体基板より低い高さを有することを特徴とする請求項8に記載のイメージセンサの製造方法。
- 前記ピクセル領域と前記周辺回路領域との段差が形成されるように、前記ピクセル領域が形成された半導体基板をウェットまたはドライエッチングすることを特徴とする請求項8に記載のイメージセンサの製造方法。
- 前記フォトダイオードを形成する段階は、
前記ピクセル領域の層間絶縁膜の上に第1導電型伝導層を形成する段階と、
前記第1導電型伝導層の上に真性層を形成する段階と、
前記真性層の上に第2導電型伝導層を形成する段階と、
を含むことを特徴とする請求項8に記載のイメージセンサの製造方法。 - 前記真性層を形成する段階の後に、前記周辺回路領域に形成された層間絶縁膜と前記真性層とが同一な高さをなすように、前記真性層にCMP工程を行う段階を含むことを特徴とする請求項11に記載のイメージセンサの製造方法。
- 前記第2導電型伝導層を形成する段階の後に、前記周辺回路領域に形成された層間絶縁膜と前記第2導電型伝導層とが同一な高さをなすように、前記第2導電型伝導層にCMP工程を行う段階を含むことを特徴とする請求項11に記載のイメージセンサの製造方法。
Applications Claiming Priority (1)
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KR1020070055766A KR100851756B1 (ko) | 2007-06-08 | 2007-06-08 | 이미지 센서 및 그 제조방법 |
Publications (2)
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JP2008306155A true JP2008306155A (ja) | 2008-12-18 |
JP4680247B2 JP4680247B2 (ja) | 2011-05-11 |
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JP2007270929A Expired - Fee Related JP4680247B2 (ja) | 2007-06-08 | 2007-10-18 | イメージセンサ及びその製造方法 |
Country Status (5)
Country | Link |
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US (1) | US7683408B2 (ja) |
JP (1) | JP4680247B2 (ja) |
KR (1) | KR100851756B1 (ja) |
CN (1) | CN101320741B (ja) |
DE (1) | DE102007049400A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012019166A (ja) * | 2010-07-09 | 2012-01-26 | Panasonic Corp | 固体撮像装置 |
WO2014103150A1 (ja) * | 2012-12-28 | 2014-07-03 | パナソニック株式会社 | 固体撮像装置およびその製造方法 |
JP2016001713A (ja) * | 2014-05-23 | 2016-01-07 | パナソニックIpマネジメント株式会社 | 撮像装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4990859B2 (ja) * | 2007-09-07 | 2012-08-01 | ドンブ ハイテック カンパニー リミテッド | イメージセンサ及びその製造方法 |
KR100906060B1 (ko) * | 2007-09-28 | 2009-07-03 | 주식회사 동부하이텍 | 이미지 센서 및 그 제조방법 |
US8257997B2 (en) * | 2007-10-17 | 2012-09-04 | Sifotonics Technologies (Usa) Inc. | Semiconductor photodetectors |
KR100997328B1 (ko) * | 2007-12-27 | 2010-11-29 | 주식회사 동부하이텍 | 이미지센서 및 그 제조방법 |
KR20100079399A (ko) * | 2008-12-31 | 2010-07-08 | 주식회사 동부하이텍 | 이미지 센서 및 그 제조 방법 |
US20120217498A1 (en) * | 2009-09-01 | 2012-08-30 | Rohm Co., Ltd. | Photoelectric converter and method for manufacturing the same |
WO2011111529A1 (en) * | 2010-03-12 | 2011-09-15 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
JP2011197553A (ja) | 2010-03-23 | 2011-10-06 | Toshiba Corp | 露光用マスク、不純物層を有する半導体装置の製造方法および固体撮像装置 |
CN101976673B (zh) * | 2010-09-29 | 2012-05-23 | 庄鸿 | 一种图像传感器芯片 |
US20130328151A1 (en) * | 2012-06-07 | 2013-12-12 | Ching-Hung Kao | Integrated circuit structure, back side illumination image sensor and integrated circuit process thereof |
US10157952B2 (en) * | 2014-05-23 | 2018-12-18 | Panasonic Intellectual Property Management Co., Ltd. | Imaging device including semiconductor substrate and unit pixel cell |
JP6260787B2 (ja) * | 2014-05-23 | 2018-01-17 | パナソニックIpマネジメント株式会社 | 撮像装置 |
US10468463B1 (en) * | 2017-12-14 | 2019-11-05 | Facebook Technologies, Llc | Display device with optical reflecting layer |
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JP2004071931A (ja) * | 2002-08-08 | 2004-03-04 | Sony Corp | 固体撮像素子及びその製造方法 |
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KR100698104B1 (ko) * | 2005-10-13 | 2007-03-23 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서 및 그 제조 방법 |
KR100660329B1 (ko) * | 2005-12-28 | 2006-12-22 | 동부일렉트로닉스 주식회사 | 씨모스 이미지 센서 및 그 제조방법 |
-
2007
- 2007-06-08 KR KR1020070055766A patent/KR100851756B1/ko not_active IP Right Cessation
- 2007-10-15 DE DE102007049400A patent/DE102007049400A1/de active Granted
- 2007-10-18 JP JP2007270929A patent/JP4680247B2/ja not_active Expired - Fee Related
- 2007-10-24 US US11/923,362 patent/US7683408B2/en not_active Expired - Fee Related
- 2007-11-19 CN CN2007101870257A patent/CN101320741B/zh not_active Expired - Fee Related
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JPH0422177A (ja) * | 1990-05-17 | 1992-01-27 | Sharp Corp | 回路内蔵受光素子の製造方法 |
JP2000156488A (ja) * | 1998-11-18 | 2000-06-06 | Agilent Technol Inc | 高性能画像センサアレイ |
JP2004071931A (ja) * | 2002-08-08 | 2004-03-04 | Sony Corp | 固体撮像素子及びその製造方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012019166A (ja) * | 2010-07-09 | 2012-01-26 | Panasonic Corp | 固体撮像装置 |
US9105544B2 (en) | 2010-07-09 | 2015-08-11 | Panasonic Intellectual Property Management Co., Ltd. | Solid-state imaging device |
WO2014103150A1 (ja) * | 2012-12-28 | 2014-07-03 | パナソニック株式会社 | 固体撮像装置およびその製造方法 |
US9300891B2 (en) | 2012-12-28 | 2016-03-29 | Panasonic Intellectual Property Management Co., Ltd. | Solid-state imaging device and method of manufacturing the same |
JPWO2014103150A1 (ja) * | 2012-12-28 | 2017-01-12 | パナソニックIpマネジメント株式会社 | 固体撮像装置およびその製造方法 |
JP2016001713A (ja) * | 2014-05-23 | 2016-01-07 | パナソニックIpマネジメント株式会社 | 撮像装置 |
Also Published As
Publication number | Publication date |
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JP4680247B2 (ja) | 2011-05-11 |
US20080303071A1 (en) | 2008-12-11 |
DE102007049400A1 (de) | 2008-12-11 |
US7683408B2 (en) | 2010-03-23 |
CN101320741B (zh) | 2010-10-13 |
KR100851756B1 (ko) | 2008-08-11 |
CN101320741A (zh) | 2008-12-10 |
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