KR100223826B1 - 씨씨디(ccd) 영상소자의 제조방법 - Google Patents
씨씨디(ccd) 영상소자의 제조방법 Download PDFInfo
- Publication number
- KR100223826B1 KR100223826B1 KR1019970023176A KR19970023176A KR100223826B1 KR 100223826 B1 KR100223826 B1 KR 100223826B1 KR 1019970023176 A KR1019970023176 A KR 1019970023176A KR 19970023176 A KR19970023176 A KR 19970023176A KR 100223826 B1 KR100223826 B1 KR 100223826B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- forming
- bccd
- floating diffusion
- diffusion region
- 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
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000009792 diffusion process Methods 0.000 claims abstract description 39
- 239000004065 semiconductor Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229920002120 photoresistant polymer Polymers 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 19
- 150000004767 nitrides Chemical class 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
-
- 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
- H10F39/15—Charge-coupled device [CCD] image sensors
- H10F39/151—Geometry or disposition of pixel elements, address lines or gate electrodes
-
- 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
- Y10S438/942—Masking
- Y10S438/948—Radiation resist
- Y10S438/951—Lift-off
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
Claims (4)
- 반도체 기판의 표면내에 p형 웰을 형성하는 단계;상기 p형 웰의 표면에 BCCD를 형성하는 단계;상기 BCCD상에 일정한 간격을 갖도록 오프셋 게이트와 리셋 게이트를 형성하는 단계;상기 오프셋 게이트 및 리셋 게이트 사이의 BCCD내에 플로우팅 디퓨전 영역을 형성하는 단계;상기 플로우팅 디퓨전 영역에 콘택홀을 갖도록 반도체 기판의 전면에 마스크층을 형성하는 단계;상기 콘택홀을 포함한 반도체 기판의 전면에 금속층을 형성하는 단계;상기 마스크층상의 금속층을 마스크층과 함께 선택적으로 제거하여 상기 콘택홀에 플로우팅 게이트를 형성하는 단계를 포함하여 형성함을 특징으로 하는 CCD 영상소자의 제조방법.
- 제 1 항에 있어서,상기 BCCD와 오프셋 게이트 및 리셋 게이트 사이에 게이트 절연막을 형성하고 상기 게이트 절연막과 오프셋 게이트 및 리셋 게이트 사이에 질화막을 더 형성하는 것을 특징으로 하는 CCD 영상소자의 제조방법.
- 제 1 항에 있어서,상기 오프셋 게이트 및 리셋 게이트 사이의 BCCD 내에 플로우팅 디퓨전 영역을 형성하는 단계는 포토레지스트를 마스크로 이용하여 상기 오프셋 게이트 및 리셋 게이트 사이의 질화막을 선택적으로 제거하고, 전면에 불순물 이온을 주입하여 형성하는 것을 특징으로 하는 CCD 영상소자의 제조방법.
- 제 1 항에 있어서,상기 마스크층상의 금속층을 마스크층과 함께 선택적으로 제거하여 상기 콘택홀에 플로우팅 게이트를 형성하는 단계에서 상기 마스크층과 금속층을 세정액속에서 초음파를 가해 제거하여 형성함을 특징으로 하는 CCD 영상소자의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970023176A KR100223826B1 (ko) | 1997-06-04 | 1997-06-04 | 씨씨디(ccd) 영상소자의 제조방법 |
US08/934,769 US5981309A (en) | 1997-06-04 | 1997-09-22 | Method for fabricating charge coupled device image sensor |
DE19804004A DE19804004B4 (de) | 1997-06-04 | 1998-02-02 | Verfahren zum Herstellen eines CCD-Bildsensors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970023176A KR100223826B1 (ko) | 1997-06-04 | 1997-06-04 | 씨씨디(ccd) 영상소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990000338A KR19990000338A (ko) | 1999-01-15 |
KR100223826B1 true KR100223826B1 (ko) | 1999-10-15 |
Family
ID=19508645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970023176A Expired - Fee Related KR100223826B1 (ko) | 1997-06-04 | 1997-06-04 | 씨씨디(ccd) 영상소자의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5981309A (ko) |
KR (1) | KR100223826B1 (ko) |
DE (1) | DE19804004B4 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3011137B2 (ja) * | 1997-06-27 | 2000-02-21 | 日本電気株式会社 | 電荷転送装置およびその製造方法 |
KR100359767B1 (ko) * | 1998-07-11 | 2002-11-07 | 주식회사 하이닉스반도체 | 고체촬상소자의 제조 방법 |
JP4407785B2 (ja) * | 2000-10-24 | 2010-02-03 | ソニー株式会社 | 半導体装置及びその検査方法 |
KR100728471B1 (ko) * | 2001-04-30 | 2007-06-13 | 매그나칩 반도체 유한회사 | 전위 구배를 갖는 매몰 씨씨디를 구비하는 전하결합소자및 그 제조 방법 |
KR100630679B1 (ko) * | 2003-12-17 | 2006-10-02 | 삼성전자주식회사 | 포토 다이오드 및 이의 제조 방법 |
FR2867308B1 (fr) * | 2004-03-02 | 2006-05-19 | Atmel Grenoble Sa | Circuit integre avec diode de lecture de tres petites dimensions |
JP4739706B2 (ja) * | 2004-07-23 | 2011-08-03 | 富士フイルム株式会社 | 固体撮像素子及びその製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149307A (en) * | 1977-12-28 | 1979-04-17 | Hughes Aircraft Company | Process for fabricating insulated-gate field-effect transistors with self-aligned contacts |
US4268951A (en) * | 1978-11-13 | 1981-05-26 | Rockwell International Corporation | Submicron semiconductor devices |
US4594604A (en) * | 1983-10-21 | 1986-06-10 | Westinghouse Electric Corp. | Charge coupled device with structures for forward scuppering to reduce noise |
JPS60229368A (ja) * | 1984-04-27 | 1985-11-14 | Olympus Optical Co Ltd | 固体撮像装置 |
US5192990A (en) * | 1986-09-18 | 1993-03-09 | Eastman Kodak Company | Output circuit for image sensor |
US4912545A (en) * | 1987-09-16 | 1990-03-27 | Irvine Sensors Corporation | Bonding of aligned conductive bumps on adjacent surfaces |
KR960002100B1 (ko) * | 1993-03-27 | 1996-02-10 | 삼성전자주식회사 | 전하결합소자형 이미지센서 |
US5387536A (en) * | 1994-01-26 | 1995-02-07 | Eastman Kodak Company | Method of making a low capacitance floating diffusion structure for a solid state image sensor |
-
1997
- 1997-06-04 KR KR1019970023176A patent/KR100223826B1/ko not_active Expired - Fee Related
- 1997-09-22 US US08/934,769 patent/US5981309A/en not_active Expired - Fee Related
-
1998
- 1998-02-02 DE DE19804004A patent/DE19804004B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE19804004B4 (de) | 2004-05-06 |
US5981309A (en) | 1999-11-09 |
KR19990000338A (ko) | 1999-01-15 |
DE19804004A1 (de) | 1998-12-10 |
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