KR100323724B1 - 고전압 소자의 딥 웰 형성방법 - Google Patents
고전압 소자의 딥 웰 형성방법 Download PDFInfo
- Publication number
- KR100323724B1 KR100323724B1 KR1020000006851A KR20000006851A KR100323724B1 KR 100323724 B1 KR100323724 B1 KR 100323724B1 KR 1020000006851 A KR1020000006851 A KR 1020000006851A KR 20000006851 A KR20000006851 A KR 20000006851A KR 100323724 B1 KR100323724 B1 KR 100323724B1
- Authority
- KR
- South Korea
- Prior art keywords
- substrate
- forming
- trench
- high voltage
- film
- Prior art date
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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
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/84—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body
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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)
Abstract
Description
Claims (3)
- SOI 구조와 트랜치 구조를 갖는 고전압 소자의 딥 웰 형성방법에 있어서,제 1 기판의 표면내에 제 1 깊이를 갖는 제 1 도전형 제 1 웰 영역을 형성하는 단계;상기 제 1 기판을 선택적으로 제거하여 제 1 깊이보다 더 깊은 제 2 깊이를 갖는 트랜치를 형성하는 단계;상기 트랜치의 내부에 갭필막을 형성하는 단계;상기 갭필막이 형성된 제 1 기판을 180°회전시키어 제 1 기판의 배면에 절연막을 개재하여 제 1 기판을 부착하는 단계;상기 갭필막의 상부 표면이 노출되도록 제 1 기판을 선택적으로 제거하는 단계;상기 노출된 제 1 기판의 표면내에 제 1 도전형 제 2 웰영역을 형성하는 단계를 포함하여 형성함을 특징으로 하는 고전압 소자의 딥 웰 형성방법.
- 제 1 항에 있어서, 상기 제 1 기판은 그라인딩 및 폴리싱 공정을 사용하여 선택적으로 제거하는 것을 특징으로 하는 고전압 소자의 딥 웰 형성방법.
- 제 1 항에 있어서, 상기 갭필막은 HLD막과 폴리 실리콘층을 트랜치를 포함한 전면에 형성한 후에 에치백이나 CMP 공정을 실시하여 형성하는 것을 특징으로 하는고전압 소자의 딥 웰 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000006851A KR100323724B1 (ko) | 2000-02-14 | 2000-02-14 | 고전압 소자의 딥 웰 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000006851A KR100323724B1 (ko) | 2000-02-14 | 2000-02-14 | 고전압 소자의 딥 웰 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010081432A KR20010081432A (ko) | 2001-08-29 |
KR100323724B1 true KR100323724B1 (ko) | 2002-02-19 |
Family
ID=19646268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000006851A KR100323724B1 (ko) | 2000-02-14 | 2000-02-14 | 고전압 소자의 딥 웰 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100323724B1 (ko) |
-
2000
- 2000-02-14 KR KR1020000006851A patent/KR100323724B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20010081432A (ko) | 2001-08-29 |
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