KR20090034428A - 이미지 센서 및 그 제조방법 - Google Patents
이미지 센서 및 그 제조방법 Download PDFInfo
- Publication number
- KR20090034428A KR20090034428A KR1020070099610A KR20070099610A KR20090034428A KR 20090034428 A KR20090034428 A KR 20090034428A KR 1020070099610 A KR1020070099610 A KR 1020070099610A KR 20070099610 A KR20070099610 A KR 20070099610A KR 20090034428 A KR20090034428 A KR 20090034428A
- Authority
- KR
- South Korea
- Prior art keywords
- insulating layer
- photodiode
- layer
- image sensor
- mask
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 239000010410 layer Substances 0.000 claims description 117
- 239000000463 material Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 150000004767 nitrides Chemical class 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 4
- 238000005530 etching Methods 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 230000031700 light absorption Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010034960 Photophobia Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 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
- 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
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 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
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000035945 sensitivity Effects 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
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- -1 that is Chemical compound 0.000 description 1
- 238000002834 transmittance Methods 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
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/805—Coatings
- H10F39/8053—Colour filters
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/011—Manufacture or treatment of image sensors covered by group H10F39/12
- H10F39/026—Wafer-level processing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
- H10F39/182—Colour image sensors
Landscapes
- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
Claims (11)
- 포토다이오드를 포함하는 반도체 기판;상기 반도체 기판 상에 배치된 제1 절연층;상기 제1 절연층 상에 배치되고 상기 포토다이오드에 대응하는 위치에 트랜치를 가지는 제2 절연층 패턴:상기 트랜치에 배치된 평탄화층: 및상기 포토다이오드 상부의 상기 평탄화층 상에 배치된 컬러필터를 포함하는 이미지 센서.
- 제1항에 있어서,상기 제1 절연층은 사이렌(SiH4) 물질로 형성된 이미지 센서.
- 제1항에 있어서,상기 제2 절연층 패턴의 하부에는 제1 마스크 패턴이 배치되고, 상기 제2 절연층의 외주면에는 제2 마스크 패턴이 배치된 이미지 센서.
- 제3항에 있어서,상기 제1 또는 제2 마스크 패턴은 질화막으로 형성된 이미지 센서.
- 제1항에 있어서,상기 평탄화층은 감광물질로 형성된 이미지 센서.
- 반도체 기판에 포토다이오드를 형성하는 단계;상기 반도체 기판 상에 제1 절연층을 형성하는 단계;상기 제1 절연층 상에 상기 포토다이오드에 대응하는 위치에 트랜치를 가지는 제2 절연층 패턴을 형성하는 단계:상기 트랜치에 평탄화층을 형성하는 단계: 및상기 포토다이오드 상부의 상기 평탄화층 상에 컬러필터를 형성하는 단계를 포함하는 이미지 센서의 제조방법.
- 제6항에 있어서,상기 제1 절연층은 사이렌 물질(SiH4)로 형성되는 이미지 센서의 제조방법.
- 제6항에 있어서,상기 제2 절연층 패턴은 복수의 층간 절연막으로 형성되고, 상기 층간 절연막에는 금속배선이 형성된 이미지 센서의 제조방법.
- 제6항에 있어서,상기 트랜치를 형성하는 단계는,상기 제1 절연층 상에 제1 마스크층을 형성하는 단계;상기 제1 마스크층 상에 금속배선을 포함하는 제2 절연층을 형성하는 단계;상기 포토다이오드 상부에 대응하는 상기 제2 절연층을 제거하여 제1 트랜치를 포함하는 제2 절연층 패턴을 형성하는 단계;상기 제2 절연층 패턴 상에 제2 마스크층을 형성하는 단계;상기 포토다이오드 상부에 대응하는 제2 마스크층 및 제1 마스크층을 제거하는 단계를 포함하는 이미지 센서의 제조방법.
- 제9항에 있어서,상기 제1 및 제2 마스크층은 질화막으로 형성된 이미지 센서의 제조방법.
- 제6항에 있어서,상기 평탄화층은 감광물질로 형성된 이미지 센서의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070099610A KR20090034428A (ko) | 2007-10-04 | 2007-10-04 | 이미지 센서 및 그 제조방법 |
US12/241,247 US20090090989A1 (en) | 2007-10-04 | 2008-09-30 | Image Sensor and Method of Manufacturing the Same |
CNA2008101689919A CN101404290A (zh) | 2007-10-04 | 2008-10-06 | 图像传感器及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070099610A KR20090034428A (ko) | 2007-10-04 | 2007-10-04 | 이미지 센서 및 그 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20090034428A true KR20090034428A (ko) | 2009-04-08 |
Family
ID=40522541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070099610A Ceased KR20090034428A (ko) | 2007-10-04 | 2007-10-04 | 이미지 센서 및 그 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20090090989A1 (ko) |
KR (1) | KR20090034428A (ko) |
CN (1) | CN101404290A (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101550067B1 (ko) * | 2008-12-24 | 2015-09-03 | 인텔렉추얼디스커버리 주식회사 | 이미지 센서 및 이의 제조 방법 |
US8324010B2 (en) * | 2010-06-29 | 2012-12-04 | Himax Imaging, Inc. | Light pipe etch control for CMOS fabrication |
CN102891156B (zh) * | 2012-10-25 | 2017-12-15 | 上海集成电路研发中心有限公司 | Cmos影像传感器的深沟槽图形化方法 |
JP6217458B2 (ja) * | 2014-03-03 | 2017-10-25 | ソニー株式会社 | 半導体装置およびその製造方法、並びに電子機器 |
CN104253139B (zh) * | 2014-09-30 | 2018-03-06 | 武汉新芯集成电路制造有限公司 | 一种图像传感器制备工艺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4117672B2 (ja) * | 2002-05-01 | 2008-07-16 | ソニー株式会社 | 固体撮像素子及び固体撮像装置、並びにこれらの製造方法 |
US7193289B2 (en) * | 2004-11-30 | 2007-03-20 | International Business Machines Corporation | Damascene copper wiring image sensor |
US7358583B2 (en) * | 2006-02-24 | 2008-04-15 | Tower Semiconductor Ltd. | Via wave guide with curved light concentrator for image sensing devices |
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2007
- 2007-10-04 KR KR1020070099610A patent/KR20090034428A/ko not_active Ceased
-
2008
- 2008-09-30 US US12/241,247 patent/US20090090989A1/en not_active Abandoned
- 2008-10-06 CN CNA2008101689919A patent/CN101404290A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20090090989A1 (en) | 2009-04-09 |
CN101404290A (zh) | 2009-04-08 |
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Comment text: Notification of reason for refusal Patent event date: 20081024 Patent event code: PE09021S01D |
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Patent event date: 20090421 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20081024 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |