KR100561522B1 - 반도체 소자 분리막 형성 방법 - Google Patents
반도체 소자 분리막 형성 방법 Download PDFInfo
- Publication number
- KR100561522B1 KR100561522B1 KR1020030100537A KR20030100537A KR100561522B1 KR 100561522 B1 KR100561522 B1 KR 100561522B1 KR 1020030100537 A KR1020030100537 A KR 1020030100537A KR 20030100537 A KR20030100537 A KR 20030100537A KR 100561522 B1 KR100561522 B1 KR 100561522B1
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- KR
- South Korea
- Prior art keywords
- silicon
- semiconductor device
- forming
- oxide film
- dry
- 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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- 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
- H01L21/70—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
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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)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (6)
- 반도체 기판에 실리콘 산화막을 버퍼층으로 사용하고 실리콘 질화막을 원하는 두께만큼 증착시킨 후 열화 산화막을 다시 성장시켜 실리콘 기판을 건식 식각하기 위한 하드마스크로 사용하는 과정과;상기 하드마스크에 포토 레지스트에 의한 사진 패터닝 공정을 이용해 해당 하드마스크 층을 건식 식각하되, 상기 실리콘 기판 손상을 저감하기 위해 상기 실리콘 산화막의 식각율을 실리콘 질화막의 식각율보다 10배 가량 높이는 고 선택비 공정을 적용하는 과정과;애싱/스트립을 이용하여 상기 포토 레지스트를 제거한 뒤 보상하기 위한 임계 크기와 풀 백 타겟만큼의 스페이서를 증착하고 식각하는 과정과;상기 스페이서 및 실리콘 질화막위에 증착된 상기 열화 산화막을 이용하여 실리콘 트렌치를 형성하는 과정과;필드 영역을 형성하기 위해 산화막을 상기 트렌치가 형성된 반도체 기판에 채우는 과정과;CMP 공정을 통해 상기 실리콘 질화막과 산화막을 분리하는 과정과;상기 산화막 습식 및 인산 스트립을 통해 필드 영역 높이에 대한 엑티브 영역을 튜닝하고 상기 실리콘 질화막, 실리콘 산화막 및 스페이서를 제거하여 엑티브 영역과 필드 영역을 형성하는 과정을 포함하여 이루어진 것을 특징으로 하는 반도체 소자 분리막 형성 방법.
- 제 1 항에 있어서,상기 풀 백은,건식 방식을 이용하는 것을 특징으로 하는 반도체 소자 분리막 형성 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 고 선택비 공정을 얻기 위한 건식 식각 조건으로 HBr 베이스 가스에 고온 50도 이상을 적용하는 것을 특징으로 하는 반도체 소자 분리막 형성 방법.
- 삭제
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030100537A KR100561522B1 (ko) | 2003-12-30 | 2003-12-30 | 반도체 소자 분리막 형성 방법 |
DE102004063148A DE102004063148B4 (de) | 2003-12-30 | 2004-12-22 | Isolierverfahren für Halbleiter-Bauelemente |
JP2004376946A JP4139380B2 (ja) | 2003-12-30 | 2004-12-27 | 半導体デバイスにおいてアイソレーション膜を形成する方法 |
US11/024,636 US20050142734A1 (en) | 2003-12-30 | 2004-12-28 | Isolation methods in semiconductor devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030100537A KR100561522B1 (ko) | 2003-12-30 | 2003-12-30 | 반도체 소자 분리막 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050068748A KR20050068748A (ko) | 2005-07-05 |
KR100561522B1 true KR100561522B1 (ko) | 2006-03-16 |
Family
ID=34698774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030100537A Expired - Fee Related KR100561522B1 (ko) | 2003-12-30 | 2003-12-30 | 반도체 소자 분리막 형성 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050142734A1 (ko) |
JP (1) | JP4139380B2 (ko) |
KR (1) | KR100561522B1 (ko) |
DE (1) | DE102004063148B4 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100788588B1 (ko) * | 2005-11-23 | 2007-12-26 | 주식회사 하이닉스반도체 | 반도체 소자의 소자분리막 형성 방법 |
KR100744683B1 (ko) * | 2006-02-27 | 2007-08-01 | 주식회사 하이닉스반도체 | 반도체 소자 제조 방법 |
CN102376619B (zh) * | 2010-08-12 | 2014-02-26 | 上海华虹宏力半导体制造有限公司 | 以ono作为硬质掩膜层形成浅沟槽结构的方法 |
CN102386122B (zh) * | 2011-11-02 | 2017-06-09 | 上海华虹宏力半导体制造有限公司 | 采用硬掩膜形成隔离沟槽的方法 |
CN103811403B (zh) * | 2012-11-13 | 2016-05-25 | 中芯国际集成电路制造(上海)有限公司 | 浅沟槽隔离结构的形成方法 |
TWI497609B (zh) * | 2013-04-10 | 2015-08-21 | Inotera Memories Inc | 半導體記憶體製程 |
US9312293B2 (en) * | 2013-08-27 | 2016-04-12 | Semiconductor Components Industries, Llc | Range modulated implants for image sensors |
US20230127597A1 (en) * | 2020-03-31 | 2023-04-27 | Lam Research Corporation | High aspect ratio dielectric etch with chlorine |
US20230397416A1 (en) * | 2022-06-03 | 2023-12-07 | Tokyo Electron Limited | Metal Hardmasks |
US20240079246A1 (en) * | 2022-09-01 | 2024-03-07 | Tokyo Electron Limited | Methods for forming semiconductor devices using metal hardmasks |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08321484A (ja) * | 1995-05-24 | 1996-12-03 | Nec Corp | 半導体装置の製造方法 |
KR0151051B1 (ko) * | 1995-05-30 | 1998-12-01 | 김광호 | 반도체장치의 절연막 형성방법 |
US5786262A (en) * | 1997-04-09 | 1998-07-28 | Taiwan Semiconductor Manufacturing Co., Ltd. | Self-planarized gapfilling for shallow trench isolation |
US5945724A (en) * | 1998-04-09 | 1999-08-31 | Micron Technology, Inc. | Trench isolation region for semiconductor device |
US6403486B1 (en) * | 2001-04-30 | 2002-06-11 | Taiwan Semiconductor Manufacturing Company | Method for forming a shallow trench isolation |
-
2003
- 2003-12-30 KR KR1020030100537A patent/KR100561522B1/ko not_active Expired - Fee Related
-
2004
- 2004-12-22 DE DE102004063148A patent/DE102004063148B4/de not_active Expired - Fee Related
- 2004-12-27 JP JP2004376946A patent/JP4139380B2/ja not_active Expired - Fee Related
- 2004-12-28 US US11/024,636 patent/US20050142734A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2005197712A (ja) | 2005-07-21 |
JP4139380B2 (ja) | 2008-08-27 |
KR20050068748A (ko) | 2005-07-05 |
US20050142734A1 (en) | 2005-06-30 |
DE102004063148B4 (de) | 2010-12-16 |
DE102004063148A1 (de) | 2005-08-04 |
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