KR100476901B1 - 소이 반도체기판의 형성방법 - Google Patents
소이 반도체기판의 형성방법 Download PDFInfo
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- KR100476901B1 KR100476901B1 KR10-2002-0028480A KR20020028480A KR100476901B1 KR 100476901 B1 KR100476901 B1 KR 100476901B1 KR 20020028480 A KR20020028480 A KR 20020028480A KR 100476901 B1 KR100476901 B1 KR 100476901B1
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- layer
- soy
- diffusion barrier
- forming
- buried oxide
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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
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76259—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along a porous layer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
-
- 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
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
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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)
- Thin Film Transistor (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (26)
- 서포트 기판(support substrate) 상에 다공성 실리콘층을 형성하는 단계;상기 다공성 실리콘층 상에 에피택시얼층(epitaxial layer) 및 확산방지막을 차례로 형성하는 단계;핸들 기판(handle substrate) 상에 매몰 산화층을 형성하되, 상기 매몰 산화층은 열산화막 또는 CVD 실리콘 산화막으로 형성하는 단계;상기 확산방지막과 상기 매몰 산화층을 접촉시켜 본딩(bonding)하는 단계;상기 확산 방지막을 갖는 서포트 기판을 상기 다공성 실리콘층이 노출될때까지 식각하는 단계; 및상기 다공성 실리콘층을 상기 에피택시얼층이 노출될때까지 식각하는 단계를 포함하되, 상기 확산 방지막은 상기 매몰 산화층에 비하여 불순물들의 확산도가 낮은 절연막인 실리콘질화막 및 실리콘 산화질화막 중에 선택된 적어도 하나로 형성하고, 상기 에피택시얼층은 소이층인 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 제 1 항에 있어서,상기 다공성 실리콘층은 일반적인 실리콘 반도체기판에 비하여 식각선택비를 갖는 실리콘층인 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 제 1 항에 있어서,상기 에피택시얼층은 단결정 실리콘층인 것을 특징으로 하는 소이 반도체기 판의 형성방법.
- 제 1 항에 있어서,상기 확산 방지막을 형성하기 전에,상기 에피택시얼층 상에 버퍼절연막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 제 4 항에 있어서,상기 버퍼절연막은 열산화막 또는 CVD 실리콘 산화막으로 형성하는 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 제 1 항에 있어서,상기 확산방지막은 상기 매몰 산화층에 비하여 보론(boron)들의 확산도가 낮은 절연막으로 형성하는 것을 특징으로 소이 반도체기판의 형성방법.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 다공성 실리콘층을 식각한 후에,상기 소이층의 표면을 평탄화하는 단계를 더 포함하는 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 서포트 기판 내에 수소이온들을 주입하여 상기 서포트 기판의 표면으로 부터 소정의 깊이로 이격된 마이크로버블층을 형성하여, 상기 마이크로 버블층 상에 소이층을 형성하는 단계;상기 소이층 상에 확산방지막을 형성하는 단계;핸들 기판 상에 매몰 산화층을 형성하되, 상기 매몰 산화층은 열산화막 또는 CVD 실리콘 산화막으로 형성하는 단계;상기 확산 방지막과 상기 매몰 산화층을 접촉시켜 본딩(bonding)하는 단계; 및상기 확산방지막을 갖는 서포트 기판을 열공정을 진행하여 상기 마이크로버블층을 기준으로 상기 소이층으로 부터 분리시키는 단계를 포함하되, 상기 확산방지막은 상기 매몰 산화층에 비하여 불순물들의 확산도가 낮은 절연막인 실리콘질화막 및 실리콘 산화질화막 중에 선택된 적어도 하나로 형성하는 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 제 10 항에 있어서,상기 확산방지막을 형성하기 전에,상기 소이층 상에 버퍼절연막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 제 11 항에 있어서,상기 버퍼절연막은 열산화막 또는 CVD 실리콘산화막으로 형성하는 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 제 10 항에 있어서,상기 확산방지막은 상기 매몰 산화층에 비하여 보론들의 확산도가 낮은 절연막으로 형성하는 것을 특징으로 하는 소이 반도체기판의 형성방법.
- 삭제
- 삭제
- 제 10 항에 있어서,상기 서포트 기판을 분리하는 단계 후에,상기 소이층의 표면을 평탄화하는 단계를 더 포함하는 것을 특징으로 하는 소이 반도체기판의 형성방법.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0028480A KR100476901B1 (ko) | 2002-05-22 | 2002-05-22 | 소이 반도체기판의 형성방법 |
US10/397,447 US7183172B2 (en) | 2002-05-22 | 2003-03-26 | Method of forming silicon-on-insulator (SOI) semiconductor substrate and SOI semiconductor substrate formed thereby |
JP2003102997A JP2003347525A (ja) | 2002-05-22 | 2003-04-07 | Soi半導体基板の形成方法及びそれにより形成されたsoi半導体基板 |
US11/623,384 US20070117300A1 (en) | 2002-05-22 | 2007-01-16 | Method of forming silicon-on-insulator (soi) semiconductor substrate and soi semiconductor substrate formed thereby |
US11/673,865 US20070128742A1 (en) | 2002-05-22 | 2007-02-12 | Method of forming silicon-on-insulator (soi) semiconductor substrate and soi semiconductor substrate formed thereby |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0028480A KR100476901B1 (ko) | 2002-05-22 | 2002-05-22 | 소이 반도체기판의 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030090881A KR20030090881A (ko) | 2003-12-01 |
KR100476901B1 true KR100476901B1 (ko) | 2005-03-17 |
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Application Number | Title | Priority Date | Filing Date |
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KR10-2002-0028480A Expired - Fee Related KR100476901B1 (ko) | 2002-05-22 | 2002-05-22 | 소이 반도체기판의 형성방법 |
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Country | Link |
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US (2) | US7183172B2 (ko) |
JP (1) | JP2003347525A (ko) |
KR (1) | KR100476901B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100987794B1 (ko) | 2008-12-22 | 2010-10-13 | 한국전자통신연구원 | 반도체 장치의 제조 방법 |
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Also Published As
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US20070117300A1 (en) | 2007-05-24 |
KR20030090881A (ko) | 2003-12-01 |
US7183172B2 (en) | 2007-02-27 |
JP2003347525A (ja) | 2003-12-05 |
US20030218212A1 (en) | 2003-11-27 |
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