KR19980079134A - 반도체장치의 소자분리방법 - Google Patents
반도체장치의 소자분리방법 Download PDFInfo
- Publication number
- KR19980079134A KR19980079134A KR1019970016809A KR19970016809A KR19980079134A KR 19980079134 A KR19980079134 A KR 19980079134A KR 1019970016809 A KR1019970016809 A KR 1019970016809A KR 19970016809 A KR19970016809 A KR 19970016809A KR 19980079134 A KR19980079134 A KR 19980079134A
- Authority
- KR
- South Korea
- Prior art keywords
- pattern
- insulating layer
- insulating
- film
- mask
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 26
- 238000000926 separation method Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000005530 etching Methods 0.000 claims abstract description 12
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 8
- 238000000151 deposition Methods 0.000 claims abstract description 6
- 230000008021 deposition Effects 0.000 claims abstract description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 6
- 229920005591 polysilicon Polymers 0.000 claims description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229920006254 polymer film Polymers 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 238000001039 wet etching Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 22
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 241000293849 Cordylanthus Species 0.000 description 1
- 241001137251 Corvidae Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015108 pies Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76229—Concurrent filling of a plurality of trenches having a different trench shape or dimension, e.g. rectangular and V-shaped trenches, wide and narrow trenches, shallow and deep trenches
Landscapes
- 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)
- Element Separation (AREA)
Abstract
Description
Claims (9)
- 반도체 기판 상에 제1절연막, 제2절연막 및 제3절연막을 순차적으로 형성하는 단계;상기 제1절연막, 제2절연막 및 제3절연막을 패터닝하여 상기 반도체 기판의 필드 영역을 노출시키는 제1절연막 패턴, 제2절연막 패턴 및 제3절연막 패턴을 형성하는 단계;상기 제1절연막 패턴, 제2절연막 패턴 및 제3절연막 패턴을 식각 마스크로 상기 반도체 기판을 식각하여 상기 필드영역에 트랜치를 형성하는 단계;상기 트랜치가 형성된 결과물 전면에 증착과 식각이 동시에 진행되는 플라즈마 CVD(Chemical Vapor Deposition) 방법에 의하여 상기 트랜치를 매립하면서 상기 트랜치를 제외한 활성 영역의 상부에 돌출부를 갖는 제4절연막을 형성하는 단계;상기 제4절연막 상에 마스크층을 형성하는 단계;,상기 돌출부에 형성된 상기 마스크층 및 제4절연막의 일부를 제거하여 활성 영역의 상부에서 상기 제4절연막의 일부를 노출시키는 마스크 패턴을 형성하는 단계;상기 마스크 패턴을 식각 마스크로 하여 상기 노출된 제4절연막을 식각하여 상기 제2절연막 패턴을 노출시키는 제4절연막 패턴을 형성하는 단계;상기 마스크 패턴을 제거하는 단계;상기 제4절연막 패턴을 상기 제1절연막 패턴이 노출될 때 까지 식각하는 단계; 및상기 제1절연막 패턴을 제거하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 트랜치를 형성하는 단계에서 상기 제3절연막 패턴이 소모되어 제거되는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 플라즈마 CVD 방법은 HDP(High Density Plasma) 또는 ECR(Electron Cyclotron Resonance) 플라즈마를 이용한 CVD 방법인 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 마스크층은 폴리실리콘층으로 형성되는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 제4절연막 패턴은 습식 식각 방법에 의하여 식각되는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 제1절연막은 질화막 또는 폴리실리콘막으로 형성되는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 제2절연막은 SOG막으로 형성되는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 제3절연막은 폴리머막, 플라즈마 TEOS막, 산화막 및 그 조합중에서 선택된 하나로 형성되는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 제1절연막 패턴의 제거전에 결과물 전면에 산화공정을 실시하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970016809A KR100224700B1 (ko) | 1997-04-30 | 1997-04-30 | 반도체장치의 소자분리방법 |
US08/950,325 US6071792A (en) | 1997-04-30 | 1997-10-14 | Methods of forming shallow trench isolation regions using plasma deposition techniques |
JP10001022A JPH10303290A (ja) | 1997-04-30 | 1998-01-06 | 半導体装置の素子分離方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970016809A KR100224700B1 (ko) | 1997-04-30 | 1997-04-30 | 반도체장치의 소자분리방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980079134A true KR19980079134A (ko) | 1998-11-25 |
KR100224700B1 KR100224700B1 (ko) | 1999-10-15 |
Family
ID=19504665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970016809A KR100224700B1 (ko) | 1997-04-30 | 1997-04-30 | 반도체장치의 소자분리방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6071792A (ko) |
JP (1) | JPH10303290A (ko) |
KR (1) | KR100224700B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020060815A (ko) * | 2001-01-12 | 2002-07-19 | 동부전자 주식회사 | 반도체 소자의 얕은 트렌치 분리 형성 방법 |
KR100375229B1 (ko) * | 2000-07-10 | 2003-03-08 | 삼성전자주식회사 | 트렌치 소자분리 방법 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6306725B1 (en) * | 1997-11-19 | 2001-10-23 | Texas Instruments Incorporated | In-situ liner for isolation trench side walls and method |
KR100253078B1 (ko) * | 1997-12-23 | 2000-04-15 | 윤종용 | 반도체 장치의 트렌치 격리 형성 방법 |
TW406356B (en) * | 1998-08-24 | 2000-09-21 | United Microelectronics Corp | A method of manufacturing shallow trench isolation structure |
JP2000164690A (ja) * | 1998-11-25 | 2000-06-16 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JP3443358B2 (ja) * | 1999-03-24 | 2003-09-02 | シャープ株式会社 | 半導体装置の製造方法 |
US6180489B1 (en) * | 1999-04-12 | 2001-01-30 | Vanguard International Semiconductor Corporation | Formation of finely controlled shallow trench isolation for ULSI process |
US6171929B1 (en) * | 1999-06-22 | 2001-01-09 | Vanguard International Semiconductor Corporation | Shallow trench isolator via non-critical chemical mechanical polishing |
US7253047B2 (en) * | 1999-09-01 | 2007-08-07 | Micron Technology, Inc. | Semiconductor processing methods of forming transistors, semiconductor processing methods of forming dynamic random access memory circuitry, and related integrated circuitry |
US6194285B1 (en) * | 1999-10-04 | 2001-02-27 | Taiwan Semiconductor Manufacturing Company | Formation of shallow trench isolation (STI) |
US6207533B1 (en) * | 1999-10-08 | 2001-03-27 | Chartered Semiconductor Manufacturing Ltd. | Method for forming an integrated circuit |
US6242322B1 (en) * | 1999-12-03 | 2001-06-05 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for forming shallow trench isolation filled with high-density plasma oxide layer |
US6391729B1 (en) * | 2000-03-09 | 2002-05-21 | Advanced Micro Devices, Inc. | Shallow trench isolation formation to eliminate poly stringer with controlled step height and corner rounding |
US6372605B1 (en) * | 2000-06-26 | 2002-04-16 | Agere Systems Guardian Corp. | Additional etching to decrease polishing time for shallow-trench isolation in semiconductor processing |
US6593210B1 (en) * | 2000-10-24 | 2003-07-15 | Advanced Micro Devices, Inc. | Self-aligned/maskless reverse etch process using an inorganic film |
KR100379612B1 (ko) | 2000-11-30 | 2003-04-08 | 삼성전자주식회사 | 도전층을 채운 트렌치 소자 분리형 반도체 장치 및 그형성 방법 |
US6541349B2 (en) | 2001-01-18 | 2003-04-01 | International Business Machines Corporation | Shallow trench isolation using non-conformal dielectric and planarizatrion |
US6593208B1 (en) * | 2001-02-14 | 2003-07-15 | Cypress Semiconductor Corp. | Method of uniform polish in shallow trench isolation process |
US6586313B2 (en) * | 2001-11-29 | 2003-07-01 | Stmicroelectronics S.R.L. | Method of avoiding the effects of lack of uniformity in trench isolated integrated circuits |
US8932937B2 (en) * | 2002-05-20 | 2015-01-13 | Taiwan Semiconductor Manufacturing Co., Ltd | Photoresist mask-free oxide define region (ODR) |
KR20040038145A (ko) * | 2002-10-31 | 2004-05-08 | 주식회사 하이닉스반도체 | 반도체 소자의 소자분리막 형성방법 |
CN107731678B (zh) * | 2017-08-24 | 2020-04-14 | 长江存储科技有限责任公司 | 三维存储器的制作方法 |
CN109461696B (zh) * | 2018-10-15 | 2021-01-01 | 上海华虹宏力半导体制造有限公司 | 一种浅沟槽隔离结构的制作方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100213196B1 (ko) * | 1996-03-15 | 1999-08-02 | 윤종용 | 트렌치 소자분리 |
-
1997
- 1997-04-30 KR KR1019970016809A patent/KR100224700B1/ko not_active IP Right Cessation
- 1997-10-14 US US08/950,325 patent/US6071792A/en not_active Expired - Lifetime
-
1998
- 1998-01-06 JP JP10001022A patent/JPH10303290A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100375229B1 (ko) * | 2000-07-10 | 2003-03-08 | 삼성전자주식회사 | 트렌치 소자분리 방법 |
KR20020060815A (ko) * | 2001-01-12 | 2002-07-19 | 동부전자 주식회사 | 반도체 소자의 얕은 트렌치 분리 형성 방법 |
Also Published As
Publication number | Publication date |
---|---|
US6071792A (en) | 2000-06-06 |
JPH10303290A (ja) | 1998-11-13 |
KR100224700B1 (ko) | 1999-10-15 |
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