KR960005552B1 - 반도체 소자의 분리막 형성 방법 - Google Patents
반도체 소자의 분리막 형성 방법 Download PDFInfo
- Publication number
- KR960005552B1 KR960005552B1 KR1019930005465A KR930005465A KR960005552B1 KR 960005552 B1 KR960005552 B1 KR 960005552B1 KR 1019930005465 A KR1019930005465 A KR 1019930005465A KR 930005465 A KR930005465 A KR 930005465A KR 960005552 B1 KR960005552 B1 KR 960005552B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- silicon nitride
- film
- spacer
- nitride film
- 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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Classifications
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- 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
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/32—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers using masks
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- 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
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
- H01L21/76205—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO in a region being recessed from the surface, e.g. in a recess, groove, tub or trench region
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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)
- Element Separation (AREA)
- Local Oxidation Of Silicon (AREA)
Abstract
Description
Claims (7)
- 반도체 소자의 분리막 형성 방법에 있어서, 반도체 기판(1)에 패드 산화막(2), 실리콘질화막(3)을 각각 형성한 다음 감광막(4)을 사용한 마스크 단계를 거쳐 필드산화막이 형성될 부위를 오픈(open)시키는 제1단계, 상기 실리콘질화막(3), 패드 산화막(2), 반도체 기판(1)을 차례하여 식각하여 트랜치를 형성한 다음 산화막(5), 다결정실리콘(6)을 형성화되 실리콘질화막(3)상부 보다 높게 형성하는 제2단계, 상기 다결정실리콘층(6)을 평탄화시킨 뒤 상기 패드 산화막(2)의 높이보다 높게 다시 식각하는 제3단계, 실리콘질화막을 적층한 뒤 스페이서 식각하여 실리콘질화막 스페이서(7)를 형성하는 제4단계, 상기 실리콘질화막 스페이서(7)를 마스크로 하여 다결정 실리콘을 식각하여 다결정실리콘 스페이서(8)를 형성하는 제5단계, 필드 산화막(9)을 형성하고 상기 실리콘질화막(3)과 실리콘질화막 스페이서(7)를 제거하고 패드 산화막(3)을 제거하는 제6단계를 구비하여 이루어진 것을 특징으로 하는 반도체 소자의 분리막 형성 방법.
- 제1항에 있어서, 상기 제2단계의 트랜치 깊이는 1000 내지 3000Å임을 특징으로 하는 반도체 소자의 분리막 형성 방법.
- 제1항에 있어서, 상기 제2단계의 다결정실리콘층(6)의 두께는 실리콘질화막(3)의 위부터 트랜치바닥까지의 높이보다 크게 함을 특징으로 하는 반도체 소자의 분리막 형성 방법.
- 제1항에 있어서, 상기 3단계의 다결정실리콘층(6)을 패드 산화막(2)의 높이 보다 높게 식각함을 특징으로 하는 반도체 소자의 분리막 형성 방법.
- 제1항에 있어서, 상기 제3단계의 다결정실리콘층(6)의 평탄화는 CMP(chemical mechanical polishing)방법인 것을 특징으로 하는 반도체 소자의 분리막 형성 방법.
- 제1항에 있어서, 상기 제5단계의 필드 산화막(9)의 두께는 트랜치를 높이의 두배보다 약간 두껍게 형성하는 것을 특징으로 하는 반도체 소자의 분리막 형성 방법.
- 제1항에 있어서, 상기 제6단계의 필드 산화막(9)의 형성온도는 1000 내지 1200Å의 고온임을 특징으로 하는 반도체 소자의 분리막 형성 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930005465A KR960005552B1 (ko) | 1993-03-31 | 1993-03-31 | 반도체 소자의 분리막 형성 방법 |
JP6061510A JP2534456B2 (ja) | 1993-03-31 | 1994-03-30 | 半導体素子のフィ―ルド酸化膜形成方法 |
US08/220,097 US5424240A (en) | 1993-03-31 | 1994-03-30 | Method for the formation of field oxide film in semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930005465A KR960005552B1 (ko) | 1993-03-31 | 1993-03-31 | 반도체 소자의 분리막 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940022790A KR940022790A (ko) | 1994-10-21 |
KR960005552B1 true KR960005552B1 (ko) | 1996-04-26 |
Family
ID=19353363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930005465A Expired - Fee Related KR960005552B1 (ko) | 1993-03-31 | 1993-03-31 | 반도체 소자의 분리막 형성 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5424240A (ko) |
JP (1) | JP2534456B2 (ko) |
KR (1) | KR960005552B1 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5795495A (en) * | 1994-04-25 | 1998-08-18 | Micron Technology, Inc. | Method of chemical mechanical polishing for dielectric layers |
KR0151051B1 (ko) * | 1995-05-30 | 1998-12-01 | 김광호 | 반도체장치의 절연막 형성방법 |
US5700733A (en) * | 1995-06-27 | 1997-12-23 | Micron Technology, Inc. | Semiconductor processing methods of forming field oxide regions on a semiconductor substrate |
KR0186083B1 (ko) * | 1995-08-12 | 1999-04-15 | 문정환 | 반도체 소자의 소자격리방법 |
US5834358A (en) * | 1996-11-12 | 1998-11-10 | Micron Technology, Inc. | Isolation regions and methods of forming isolation regions |
JP3453289B2 (ja) * | 1997-11-28 | 2003-10-06 | 沖電気工業株式会社 | 半導体装置及びその製造方法 |
US6005279A (en) * | 1997-12-18 | 1999-12-21 | Advanced Micro Devices, Inc. | Trench edge spacer formation |
US6107157A (en) | 1998-02-27 | 2000-08-22 | Micron Technology, Inc. | Method and apparatus for trench isolation process with pad gate and trench edge spacer elimination |
US6096612A (en) * | 1998-04-30 | 2000-08-01 | Texas Instruments Incorporated | Increased effective transistor width using double sidewall spacers |
US6103594A (en) * | 1999-09-09 | 2000-08-15 | Chartered Semiconductor Manufacturing Ltd. | Method to form shallow trench isolations |
US6613651B1 (en) * | 2000-09-05 | 2003-09-02 | Lsi Logic Corporation | Integrated circuit isolation system |
US20050159006A1 (en) * | 2002-02-21 | 2005-07-21 | Toren Willem J. | Method of forming electrical connection means of ultimate dimensions and device comprising such connection means |
KR100741876B1 (ko) * | 2005-07-21 | 2007-07-23 | 동부일렉트로닉스 주식회사 | 디보트가 방지된 트렌치 소자분리막이 형성된 반도체 소자의 제조 방법 |
CN104425347B (zh) * | 2013-09-09 | 2017-12-08 | 中芯国际集成电路制造(上海)有限公司 | 浅沟槽隔离的制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6167933A (ja) * | 1984-09-11 | 1986-04-08 | Nec Corp | 半導体基板及びその製造方法 |
US4666556A (en) * | 1986-05-12 | 1987-05-19 | International Business Machines Corporation | Trench sidewall isolation by polysilicon oxidation |
JPH0199230A (ja) * | 1987-10-13 | 1989-04-18 | Matsushita Electric Ind Co Ltd | 分離領域形成方法 |
JPH02119238A (ja) * | 1988-10-28 | 1990-05-07 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JPH0373530A (ja) * | 1989-08-14 | 1991-03-28 | Oki Electric Ind Co Ltd | 配線構造 |
JPH03286525A (ja) * | 1990-04-03 | 1991-12-17 | Nippon Telegr & Teleph Corp <Ntt> | 複数電極装置とその製造方法 |
-
1993
- 1993-03-31 KR KR1019930005465A patent/KR960005552B1/ko not_active Expired - Fee Related
-
1994
- 1994-03-30 US US08/220,097 patent/US5424240A/en not_active Expired - Lifetime
- 1994-03-30 JP JP6061510A patent/JP2534456B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2534456B2 (ja) | 1996-09-18 |
KR940022790A (ko) | 1994-10-21 |
JPH06302684A (ja) | 1994-10-28 |
US5424240A (en) | 1995-06-13 |
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