KR100996539B1 - 산소 종을 제거하기 위해 열 처리를 이용하여 접합된 기판 구조물을 제조하는 방법 및 구조 - Google Patents
산소 종을 제거하기 위해 열 처리를 이용하여 접합된 기판 구조물을 제조하는 방법 및 구조 Download PDFInfo
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- 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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Abstract
Description
Claims (55)
- 접합된 기판 구조물을 제조하는 방법에 있어서,제1 실리콘 기판으로부터 전이되고 제2 실리콘 기판에 연결된 소정 두께의 단결정 실리콘 물질을 제공하는 단계 - 상기 제2 실리콘 기판은 제2 표면 영역을 포함하고, 상기 소정 두께의 단결정 실리콘 물질과 상기 제2 실리콘 기판 사이에 실리콘 산화물 물질을 포함하는 제1 특성부를 포함하는 경계 영역을 형성하도록 상기 제2 표면 영역이 상기 소정 두께의 단결정 실리콘 물질로부터의 제1 표면 영역에 결합됨 -;상기 경계 영역에 상기 제1 특성부로부터 제2 특성부로의 변화를 일으키기 위하여, 상기 경계 영역에 열 처리를 행하는 단계 - 상기 제2 특성부는, 상기 실리콘 산화물 물질을 포함하지 않고, 상기 소정 두께의 단결정 실리콘 물질과 상기 제2 실리콘 기판 사이에 제공된 에피택시적으로 형성된 실리콘 물질임 -; 및상기 소정 두께의 단결정 실리콘 물질을 상기 제2 실리콘 기판에 전기적으로 연결할 수 있도록 상기 에피택시적으로 형성된 실리콘 물질을 형성하기 위해, 상기 열 처리 중에 상기 경계 영역에 다수의 공극(void)이 형성되지 않도록 유지하는 단계를 포함하는 접합된 기판 구조물 제조 방법.
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- 제1항에 있어서,상기 제2 특성부는 에피택시적으로 형성된 실질적으로 단결정인 실리콘 물질을 포함하는 접합된 기판 구조물 제조 방법.
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- 제1항에 있어서,상기 열 처리는, 상기 결합된 소정 두께의 단결정 실리콘 물질과 상기 제2 기판을 실질적으로 1000℃보다 높은 온도에서 비활성 기체 환경에 두는 단계를 포함하는 접합된 기판 구조물 제조 방법.
- 제1항에 있어서,상기 제1 특성부를 포함하는 상기 경계 영역은 10㎚보다 두께가 얇은 산화물층을 포함하는 접합된 기판 구조물 제조 방법.
- 제1항에 있어서,상기 열 처리는 상기 실리콘 산화물로부터의 하나 또는 그 이상의 산화물 종이 상기 경계 영역으로부터 확산되도록 하는 접합된 기판 구조물 제조 방법.
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- 제1항에 있어서,상기 열 처리는, 상기 접합된 소정 두께의 단결정 실리콘과 상기 제2 기판을 실질적으로 1000℃보다 높은 온도에서 수소 기체 환경에 두는 단계를 포함하는 접합된 기판 구조물 제조 방법.
- 제1항에 있어서,상기 소정 두께의 단결정 실리콘의 클리빙된(cleaved) 표면에 비접촉 평탄화 처리(non-contact smoothing process)를 수행하는 단계를 더 포함하는 접합된 기판 구조물 제조 방법.
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- 실리콘 온 실리콘(silicon on silicon) 기판 구조물에 있어서,제1 표면 영역을 포함하는 제1 실리콘 기판;상기 제1 표면 영역 위에 놓인 층 전이된 소정 두께의 단결정 반도체 물질 - 상기 소정 두께의 단결정 반도체 물질은 정해진 두께를 갖고, 상기 제1 실리콘 기판의 상기 제1 표면 영역과 대향하는 제2 표면 영역을 포함함 -;상기 제1 표면 영역과 상기 제2 표면 영역 사이에 제공된 에피택시적으로 형성된 경계 영역; 및상기 에피택시적으로 형성된 경계 영역이 상기 제1 실리콘 기판을 상기 소정 두께의 단결정 반도체 물질에 전기적으로 연결할 수 있도록 하는 원소들의, 하나 내지 다섯 개의 단층들을 포함하는 실리콘 온 실리콘 기판 구조물.
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- 접합된 기판 구조물을 제조하는 방법에 있어서,제1 실리콘 기판으로부터 전이되고 제2 실리콘 기판에 연결된 소정 두께의 단결정 실리콘 물질을 제공하는 단계 - 상기 제2 실리콘 기판은 제2 표면 영역을 포함하고, 상기 소정 두께의 단결정 실리콘 물질과 상기 제2 실리콘 기판 사이에 실리콘 산화물 물질을 포함하는 제1 특성부를 포함하는 경계 영역을 형성하도록 상기 제2 표면 영역이 상기 소정 두께의 단결정 실리콘 물질로부터의 제1 표면 영역에 결합됨 -; 및상기 소정 두께의 단결정 실리콘 물질을 상기 제2 실리콘 기판에 전기적으로 연결할 수 있도록 상기 경계 영역에 상기 제1 특성부로부터 제2 특성부로의 변화를 일으키기 위해, 상기 경계 영역에 열 처리를 행하는 단계 - 상기 제2 특성부는, 상기 실리콘 산화물 물질을 포함하지 않고, 상기 소정 두께의 단결정 실리콘 물질과 상기 제2 실리콘 기판 사이에 제공된 에피택시적으로 형성된 실리콘 물질임 - 를 포함하는 접합된 기판 구조물 제조 방법.
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- 접합된 기판 구조물을 제조하는 방법에 있어서,제1 실리콘 기판으로부터 전이되고 제2 실리콘 기판에 연결된 소정 두께의 단결정 실리콘 물질을 제공하는 단계 - 상기 제2 실리콘 기판은 제2 표면 영역을 포함하고, 상기 소정 두께의 단결정 실리콘 물질과 상기 제2 실리콘 기판 사이에 실리콘 산화물 물질을 포함하는 제1 특성부를 포함하는 경계 영역을 형성하도록 상기 제2 표면 영역이 상기 소정 두께의 단결정 실리콘 물질로부터의 제1 표면 영역에 결합되며, 상기 소정 두께의 단결정 실리콘은 복수의 트래핑 지점(trapping sites)을 포함하는 표면 영역을 포함함 -; 및상기 소정 두께의 단결정 실리콘 물질을 상기 제2 실리콘 기판에 전기적으로 연결할 수 있도록 상기 경계 영역에 상기 제1 특성부로부터 제2 특성부로의 변화를 일으키기 위해 - 상기 제2 특성부는, 상기 실리콘 산화물 물질을 포함하지 않고, 상기 소정 두께의 단결정 실리콘 물질과 상기 제2 실리콘 기판 사이에 제공된 에피택시적으로 형성된 실리콘 물질임 -, 그리고, 상기 실리콘 산화물 물질의 일부분이 상기 표면 영역에 제공된 하나 또는 그 이상의 트래핑 지점으로 전이되도록, 상기 경계 영역에 열 처리를 행하는 단계를 포함하는 접합된 기판 구조물 제조 방법.
- 삭제
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US11/394,597 US7598153B2 (en) | 2006-03-31 | 2006-03-31 | Method and structure for fabricating bonded substrate structures using thermal processing to remove oxygen species |
US11/394,597 | 2006-03-31 |
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US (1) | US7598153B2 (ko) |
EP (1) | EP2002463A2 (ko) |
JP (1) | JP2009532872A (ko) |
KR (1) | KR100996539B1 (ko) |
CN (1) | CN101410940A (ko) |
TW (1) | TW200739671A (ko) |
WO (1) | WO2007114974A2 (ko) |
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US7598153B2 (en) | 2009-10-06 |
KR20080113385A (ko) | 2008-12-30 |
US20070232022A1 (en) | 2007-10-04 |
JP2009532872A (ja) | 2009-09-10 |
EP2002463A2 (en) | 2008-12-17 |
WO2007114974A3 (en) | 2008-02-14 |
TW200739671A (en) | 2007-10-16 |
CN101410940A (zh) | 2009-04-15 |
WO2007114974A2 (en) | 2007-10-11 |
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