KR100226500B1 - 반도체장치의 소자격리방법 - Google Patents
반도체장치의 소자격리방법 Download PDFInfo
- Publication number
- KR100226500B1 KR100226500B1 KR1019970017461A KR19970017461A KR100226500B1 KR 100226500 B1 KR100226500 B1 KR 100226500B1 KR 1019970017461 A KR1019970017461 A KR 1019970017461A KR 19970017461 A KR19970017461 A KR 19970017461A KR 100226500 B1 KR100226500 B1 KR 100226500B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- mask layer
- device isolation
- semiconductor substrate
- liner
- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
- H10W10/011—Manufacture or treatment of isolation regions comprising dielectric materials
- H10W10/014—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations
- H10W10/0145—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations of trenches having shapes other than rectangular or V-shape
- H10W10/0147—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations of trenches having shapes other than rectangular or V-shape the shapes being altered by a local oxidation of silicon process, e.g. trench corner rounding by LOCOS
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- Element Separation (AREA)
Abstract
Description
Claims (4)
- 반도체기판 상에 소정 부분을 노출시키는 마스크층을 형성하는 공정과, 상기 마스크층을 식각 마스크로 사용하여 상기 반도체기판의 노출된 부분에 트렌치를 형성하는 공정과, 상기 트렌치 내부 표면에 라이너를 형성하고 상기 라이너 상에 상기 트렌치를 채우는 소자분리절연막을 형성하는 공정과, 상기 트렌치 상부 측면에 형성된 라이너를 산화하는 공정과, 상기 마스크층을 제거하는 공정을 구비하는 반도체장치의 소자격리방법.
- 청구항1에 있어서, 상기 마스크층을 열산화막으로 이루어진 제 1 마스크층과 질화실리콘으로 이루어진 제 2 마스크층으로 형성하는 반도체장치의 소자격리방법.
- 청구항2에 있어서, 상기 제 2 마스크층 상에 다결정실리콘 또는 비정질실리콘으로 이루어지는 제 3 마스크층을 형성하는 공정을 더 구비하는 반도체장치의 소자격리방법.
- 청구항1에 있어서, 상기 라이너를 다결정실리콘 또는 비정질실리콘으로 형성하는 반도체장치의 소자격리방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970017461A KR100226500B1 (ko) | 1997-05-07 | 1997-05-07 | 반도체장치의 소자격리방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970017461A KR100226500B1 (ko) | 1997-05-07 | 1997-05-07 | 반도체장치의 소자격리방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980082502A KR19980082502A (ko) | 1998-12-05 |
| KR100226500B1 true KR100226500B1 (ko) | 1999-10-15 |
Family
ID=19505034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970017461A Expired - Fee Related KR100226500B1 (ko) | 1997-05-07 | 1997-05-07 | 반도체장치의 소자격리방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100226500B1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100335007B1 (ko) * | 1999-08-11 | 2002-05-02 | 후 훙-치우 | 얕은 트렌치 격리 구조의 제조 방법 |
| CN116344623B (zh) * | 2023-05-30 | 2023-08-22 | 粤芯半导体技术股份有限公司 | 高压mos器件及其制备方法 |
-
1997
- 1997-05-07 KR KR1019970017461A patent/KR100226500B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980082502A (ko) | 1998-12-05 |
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