KR100239454B1 - 반도체 소자의 격리영역 형성방법 - Google Patents
반도체 소자의 격리영역 형성방법 Download PDFInfo
- Publication number
- KR100239454B1 KR100239454B1 KR1019970058998A KR19970058998A KR100239454B1 KR 100239454 B1 KR100239454 B1 KR 100239454B1 KR 1019970058998 A KR1019970058998 A KR 1019970058998A KR 19970058998 A KR19970058998 A KR 19970058998A KR 100239454 B1 KR100239454 B1 KR 100239454B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- forming
- ppms
- substrate
- trench
- 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
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/69—Etching of wafers, substrates or parts of devices using masks for semiconductor materials
- H10P50/691—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials
- H10P50/692—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their composition, e.g. multilayer masks or materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/69—Etching of wafers, substrates or parts of devices using masks for semiconductor materials
- H10P50/691—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials
- H10P50/693—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane
- H10P50/695—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks or sidewalls or to modify the mask
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- Element Separation (AREA)
Abstract
Description
Claims (4)
- 기판상에 PPMS막을 형성하는 단계;상기 PPMS막에 어닐공정을 실시하는 단계;상기 PPMS막을 포함한 기판의 전면에 제 1, 제 2 절연막을 형성하는 단계;상기 PPMS막의 표면이 일정부분 노출되도록 상기 제 1, 제 2 절연막을 선택적으로 제거하는 단계;상기 표면이 노출된 PPMS막을 선택적으로 제거함과 동시에 하부의 기판을 소정깊이로 제거하여 트랜치를 형성하는 단계;상기 트랜치가 형성된 기판의 표면에 제 3 절연막을 형성하는 단계;상기 제 3 절연막을 포함한 기판의 전면에 제 4 절연막을 형성한 후, 상기 제 4 절연막이 상기 트랜치 내부에만 남도록 선택적으로 제거하는 단계;상기 제 2, 제 1 절연막 및 PPMS막을 제거하는 단계를 포함하여 형성함을 특징으로 하는 반도체 소자의 격리영역 형성방법.
- 제 1 항에 있어서,상기 PPMS막에 어닐공정을 실시하면 상기 PPMS막이 절연막화됨을 특징으로 하는 반도체 소자의 격리영역 형성방법.
- 제 1 항에 있어서,상기 기판상에 PPMS막을 형성하는 단계에 있어서,상기 기판상의 전면에 PPMS막을 형성하는 단계와, 상기 PPMS막을 DUV 노광 후, 플라즈마 식각하여 상기 기판상에 PPMS막을 형성함을 특징으로 하는 반도체 소자의 격리영역 형성방법.
- 제 1 항에 있어서,상기 제 3 절연막은 상기 기판을 산화시키어 형성함을 특징으로 하는 반도체 소자의 격리영역 형성방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970058998A KR100239454B1 (ko) | 1997-11-10 | 1997-11-10 | 반도체 소자의 격리영역 형성방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970058998A KR100239454B1 (ko) | 1997-11-10 | 1997-11-10 | 반도체 소자의 격리영역 형성방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990039046A KR19990039046A (ko) | 1999-06-05 |
| KR100239454B1 true KR100239454B1 (ko) | 2000-01-15 |
Family
ID=19524441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970058998A Expired - Fee Related KR100239454B1 (ko) | 1997-11-10 | 1997-11-10 | 반도체 소자의 격리영역 형성방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100239454B1 (ko) |
-
1997
- 1997-11-10 KR KR1019970058998A patent/KR100239454B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990039046A (ko) | 1999-06-05 |
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