KR0168196B1 - 반도체장치의 소자분리 영역 형성방법 - Google Patents
반도체장치의 소자분리 영역 형성방법 Download PDFInfo
- Publication number
- KR0168196B1 KR0168196B1 KR1019950049687A KR19950049687A KR0168196B1 KR 0168196 B1 KR0168196 B1 KR 0168196B1 KR 1019950049687 A KR1019950049687 A KR 1019950049687A KR 19950049687 A KR19950049687 A KR 19950049687A KR 0168196 B1 KR0168196 B1 KR 0168196B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- semiconductor substrate
- pattern
- film
- forming
- 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
-
- 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
-
- 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
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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
- 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
-
- 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
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
- H01L21/76235—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls trench shape altered by a local oxidation of silicon process step, e.g. trench corner rounding by LOCOS
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)
- Local Oxidation Of Silicon (AREA)
Abstract
Description
Claims (3)
- 반도체기판 전면에 패드산화막 및 폴리실리콘막을 순차적으로 형성하는 단계; 상기 폴리실리콘막 상에 상기 폴리실리콘막의 소정영역을 노출시키는 감광막 패턴을 형성하는 단계; 상기 감광막 패턴을 식각 마스크로하여 상기 노출된 폴리실리콘막 및 그 아래의 패드산화막을 연속적으로 식각함으로써 반도체기판의 소정영역을 노출시킴과 동시에 패드산화막 패턴 및 폴리실리콘 패턴을 형성하는 단계; 상기 패드산화막 패턴 및 상기 폴리실리콘 패턴 측벽에 실리콘질화막으로 이루어진 스페이서를 형성하는 단계; 상기 스페이서가 형성된 반도체기판을 열산화시키어 상기 노출된 반도체기판 및 상기 폴리실리콘 패턴 표면에 각각 제1 필드산화막 및 제2 필드산화막을 형성하는 단계; 상기 스페이서를 제거함으로써 그 아래의 반도체기판을 노출시키는 단계; 상기 제1 필드산화막 및 상기 제2 필드산화막을 식각 마스크로하여 상기 노출된 반도체기판을 정해진 깊이만큼 식각함으로써 트렌치 영역을 형성하는 단계; 상기 트렌치 영역이 형성된 반도체기판 전면에 상기 트렌치 영역을 채우는 절연막을 형성하는 단계; 상기 폴리실리콘 패턴이 노출되도록 상기 절연막 및 상기 제2 필드산화막을 연속적으로 에치백하는 단계; 및 상기 노출된 폴리실리콘 패턴 및 그 아래의 패드산화막을 제거하는 단계를 포함하는 것을 특징으로 하는 반도체장치의 소자분리 영역 형성방법.
- 제1항에 있어서, 상기 절연막은 CVD 산화막으로 형성하는 것을 특징으로 하는 반도체장치의 소자분리 영역 형성방법.
- 제1항에 있어서, 상기 에치백 공정은 CMP(chemical mechanical polishing) 공정을 이용하는 것을 특징으로 하는 반도체장치의 소자분리 영역 형성방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950049687A KR0168196B1 (ko) | 1995-12-14 | 1995-12-14 | 반도체장치의 소자분리 영역 형성방법 |
JP30927296A JP3581505B2 (ja) | 1995-12-14 | 1996-11-20 | 半導体装置の素子分離領域の形成方法 |
US08/754,889 US5677232A (en) | 1995-12-14 | 1996-11-22 | Methods of fabricating combined field oxide/trench isolation regions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950049687A KR0168196B1 (ko) | 1995-12-14 | 1995-12-14 | 반도체장치의 소자분리 영역 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970053384A KR970053384A (ko) | 1997-07-31 |
KR0168196B1 true KR0168196B1 (ko) | 1999-02-01 |
Family
ID=19439941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950049687A Expired - Fee Related KR0168196B1 (ko) | 1995-12-14 | 1995-12-14 | 반도체장치의 소자분리 영역 형성방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5677232A (ko) |
JP (1) | JP3581505B2 (ko) |
KR (1) | KR0168196B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100480625B1 (ko) * | 2002-10-24 | 2005-03-31 | 삼성전자주식회사 | 트렌치 소자분리막 형성방법 및 그 소자분리막을 구비하는반도체 소자 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3360970B2 (ja) * | 1995-05-22 | 2003-01-07 | 株式会社東芝 | 半導体装置の製造方法 |
US5899727A (en) * | 1996-05-02 | 1999-05-04 | Advanced Micro Devices, Inc. | Method of making a semiconductor isolation region bounded by a trench and covered with an oxide to improve planarization |
US5858830A (en) * | 1997-06-12 | 1999-01-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of making dual isolation regions for logic and embedded memory devices |
TW364180B (en) * | 1998-01-12 | 1999-07-11 | United Microelectronics Corp | A method for producing buried diffusion junction |
US7045435B1 (en) * | 1998-11-03 | 2006-05-16 | Mosel Vitelic Inc | Shallow trench isolation method for a semiconductor wafer |
TW396508B (en) * | 1999-01-05 | 2000-07-01 | Mosel Vitelic Inc | A method for forming trench isolation |
US6413836B1 (en) * | 2000-09-20 | 2002-07-02 | Vanguard International Semiconductor Corporation | Method of making isolation trench |
US6350660B1 (en) * | 2001-04-25 | 2002-02-26 | Macronix International Co., Ltd. | Process for forming a shallow trench isolation |
KR100418576B1 (ko) * | 2001-06-30 | 2004-02-11 | 주식회사 하이닉스반도체 | 반도체 소자의 트렌치형 소자분리막 형성방법 |
US6825529B2 (en) * | 2002-12-12 | 2004-11-30 | International Business Machines Corporation | Stress inducing spacers |
US6890808B2 (en) * | 2003-09-10 | 2005-05-10 | International Business Machines Corporation | Method and structure for improved MOSFETs using poly/silicide gate height control |
JP4515951B2 (ja) * | 2005-03-31 | 2010-08-04 | 富士通セミコンダクター株式会社 | 半導体装置及びその製造方法 |
KR100790246B1 (ko) * | 2006-12-26 | 2008-01-02 | 동부일렉트로닉스 주식회사 | 반도체 소자 제조 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6430248A (en) * | 1987-07-27 | 1989-02-01 | Hitachi Ltd | Formation of on-the-trench insulation film |
US5028559A (en) * | 1989-03-23 | 1991-07-02 | Motorola Inc. | Fabrication of devices having laterally isolated semiconductor regions |
IT1240325B (it) * | 1990-02-27 | 1993-12-07 | Giuliani Spa | Derivati insaturi di acidi biliari, loro preparazione e composizione farmaceutiche che li contengono |
EP0641022B1 (en) * | 1993-08-31 | 2006-05-17 | STMicroelectronics, Inc. | Isolation structure and method for making same |
-
1995
- 1995-12-14 KR KR1019950049687A patent/KR0168196B1/ko not_active Expired - Fee Related
-
1996
- 1996-11-20 JP JP30927296A patent/JP3581505B2/ja not_active Expired - Fee Related
- 1996-11-22 US US08/754,889 patent/US5677232A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100480625B1 (ko) * | 2002-10-24 | 2005-03-31 | 삼성전자주식회사 | 트렌치 소자분리막 형성방법 및 그 소자분리막을 구비하는반도체 소자 |
Also Published As
Publication number | Publication date |
---|---|
JP3581505B2 (ja) | 2004-10-27 |
JPH09181164A (ja) | 1997-07-11 |
KR970053384A (ko) | 1997-07-31 |
US5677232A (en) | 1997-10-14 |
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