KR101562522B1 - Soi 기판의 제작 방법 및 soi 기판 - Google Patents
Soi 기판의 제작 방법 및 soi 기판 Download PDFInfo
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- KR101562522B1 KR101562522B1 KR1020100044287A KR20100044287A KR101562522B1 KR 101562522 B1 KR101562522 B1 KR 101562522B1 KR 1020100044287 A KR1020100044287 A KR 1020100044287A KR 20100044287 A KR20100044287 A KR 20100044287A KR 101562522 B1 KR101562522 B1 KR 101562522B1
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- single crystal
- semiconductor layer
- crystal semiconductor
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- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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- 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
본드 기판에 가속된 이온을 조사하여 상기 본드 기판에 취화 영역을 형성하고, 본드 기판 또는 베이스 기판의 표면에 절연층을 형성하고, 절연층을 사이에 두고 본드 기판과 베이스 기판을 접합하는 것과 함께, 본드 기판과 베이스 기판의 일부에 접합하지 않는 영역을 형성하고 열 처리를 행함으로써, 취화 영역에 있어서 본드 기판을 분리하여 베이스 기판 위에 반도체층을 형성한다.
Description
도 2a 내지 도 2c는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 단면도.
도 3a 및 도 3b는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 평면도.
도 4a 내지 도 4g는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 단면도.
도 5a 내지 도 5c는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 단면도.
도 6a 및 도 6b는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 평면도.
도 7a 내지 도 7g는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 단면도.
도 8a 내지 도 8d는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 단면도.
도 9a 및 도 9b는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 평면도.
도 10a 내지 도 10h는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 단면도.
도 11a 내지 도 11d는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 단면도.
도 12a 및 도 12b는 SOI 기판 및 반도체 장치의 제작 방법의 일례를 도시하는 평면도.
도 13a 내지 도 13d는 트랜지스터의 제작 방법의 일례를 도시하는 단면도.
도 14a 내지 도 14d는 트랜지스터의 제작 방법의 일례를 도시하는 단면도.
도 15a 및 도 15b는 트랜지스터의 평면도 및 단면도.
도 16a 및 도 16b는 실리콘층의 표면의 상태를 나타내는 사진.
도 17a 및 도 17b는 실리콘층의 표면의 상태를 나타내는 사진.
도 18a 및 도 18b는 실리콘층의 표면의 상태를 나타내는 사진.
도 19는 유리 기판 표면의 상태의 일례를 나타내는 사진.
도 20은 접합하지 않는 영역의 직경과 결손의 수의 관계를 도시하는 도면.
도 21a 및 도 21b는 표면 거칠기(roughness)의 비교 결과를 도시하는 도면.
112: 취화 영역 114: 절연층
116: 단결정 반도체층 140: 오목부
Claims (29)
- 본드 기판 내에 취화 영역을 형성하는 단계와;
상기 본드 기판의 표면 위에 절연층을 형성하는 단계와;
상기 표면이 노출되도록 상기 절연층 내에 오목부를 형성하는 단계와;
상기 오목부를 갖는 상기 절연층을 개재하여 상기 본드 기판과 베이스 기판을 서로 접합하는 단계와;
상기 본드 기판의 상기 표면과 상기 취화 영역 사이의 층을 상기 베이스 기판 위에 잔존시키면서 상기 베이스 기판으로부터 상기 본드 기판을 분리하는 단계를 포함하는, SOI 기판의 제작 방법. - 베이스 기판의 표면에 오목부를 형성하는 단계와;
본드 기판 내에 취화 영역을 형성하는 단계와;
상기 본드 기판의 표면 위에 절연층을 형성하는 단계와;
상기 절연층을 개재하여 상기 본드 기판의 상기 표면과 상기 베이스 기판을 서로 접합하는 단계와;
상기 본드 기판의 상기 표면과 상기 취화 영역 사이의 층을 상기 베이스 기판 위에 잔존시키면서 상기 베이스 기판으로부터 상기 본드 기판을 분리하는 단계를 포함하는, SOI 기판의 제작 방법. - 본드 기판의 표면 위에 산화막을 형성하는 단계와;
상기 본드 기판 내에 취화 영역을 형성하는 단계와;
상기 표면이 노출되도록 상기 산화막 내에 오목부를 형성하는 단계와;
상기 오목부를 갖는 상기 산화막을 개재하여 상기 본드 기판과 베이스 기판을 접합하는 단계와;
상기 본드 기판의 상기 표면과 상기 취화 영역 사이의 층과 상기 산화막을 상기 베이스 기판 위에 잔존시키면서 상기 베이스 기판으로부터 상기 본드 기판을 분리하는 단계를 포함하는, SOI 기판의 제작 방법. - 본드 기판의 표면 위에 산화막을 형성하는 단계와;
상기 본드 기판 내에 취화 영역을 형성하는 단계와;
베이스 기판의 표면에 오목부를 형성하는 단계와;
상기 산화막을 개재하여 상기 본드 기판과 상기 베이스 기판의 상기 표면을 접합하는 단계와;
상기 본드 기판의 상기 표면과 상기 취화 영역 사이의 층과 상기 산화막을 상기 베이스 기판 위에 잔존시키면서 상기 베이스 기판으로부터 상기 본드 기판을 분리하는 단계를 포함하는, SOI 기판의 제작 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 본드 기판은 단결정 반도체 기판인, SOI 기판의 제작 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 베이스 기판은 유리 기판인, SOI 기판의 제작 방법. - 제 1 항 또는 제 3 항에 있어서,
상기 오목부의 형성에 의하여 상기 오목부에서 상기 본드 기판이 노출되는, SOI 기판의 제작 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 접합 단계 전에 상기 베이스 기판 및 상기 절연층 상에 표면 처리를 수행하는 단계를 더 포함하는, SOI 기판의 제작 방법. - 제 1 항에 있어서,
상기 절연층 위에 볼록부를 형성하는 단계를 더 포함하는, SOI 기판의 제작 방법. - 제 2 항 또는 제 4 항에 있어서,
상기 베이스 기판 위에 볼록부를 형성하는 단계를 더 포함하는, SOI 기판의 제작 방법. - 제 3 항 또는 제 4 항에 있어서,
상기 산화막의 형성 전에 상기 본드 기판의 상기 표면을 세정하는 단계를 더 포함하는, SOI 기판의 제작 방법. - 제 11 항에 있어서,
상기 세정 단계는 황산과산화수소수 혼합 용액, 암모니아과산화수소수 혼합 용액, 염산과산화수소수 혼합 용액, 및 불산 중에서 선택된 용액을 사용하여 수행되는, SOI 기판의 제작 방법. - 제 3 항 또는 제 4 항에 있어서,
상기 접합 단계 전에 상기 베이스 기판 및 상기 산화막 상에 표면 처리를 수행하는 단계를 더 포함하는, SOI 기판의 제작 방법. - 제 3 항에 있어서,
상기 산화막 위에 볼록부를 형성하는 단계를 더 포함하는, SOI 기판의 제작 방법. - 제 3 항에 있어서,
상기 접합 단계 전에 상기 베이스 기판 위에 절연층을 형성하는 단계를 더 포함하는, SOI 기판의 제작 방법. - 제 4 항에 있어서,
상기 접합 단계 전에 상기 베이스 기판의 상기 표면 위에 절연층을 형성하는 단계를 더 포함하는, SOI 기판의 제작 방법. - 삭제
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JP2011029609A (ja) * | 2009-06-26 | 2011-02-10 | Semiconductor Energy Lab Co Ltd | Soi基板の作製方法およびsoi基板 |
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US8288249B2 (en) * | 2010-01-26 | 2012-10-16 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing SOI substrate |
US8476147B2 (en) * | 2010-02-03 | 2013-07-02 | Semiconductor Energy Laboratory Co., Ltd. | SOI substrate and manufacturing method thereof |
CN102543669A (zh) * | 2010-12-09 | 2012-07-04 | 无锡华润上华半导体有限公司 | 半导体器件制造方法 |
CN103594411A (zh) * | 2012-08-13 | 2014-02-19 | 中芯国际集成电路制造(上海)有限公司 | 绝缘体上锗硅的形成方法 |
JP6086031B2 (ja) * | 2013-05-29 | 2017-03-01 | 信越半導体株式会社 | 貼り合わせウェーハの製造方法 |
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JP2007503726A (ja) | 2003-05-30 | 2007-02-22 | エス オー イ テク シリコン オン インシュレータ テクノロジース | 応力のかかるシステムのための基板および当該基板上での結晶成長法 |
JP2008311627A (ja) * | 2007-05-17 | 2008-12-25 | Semiconductor Energy Lab Co Ltd | Soi基板の製造方法 |
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JP2010287883A (ja) | 2010-12-24 |
TW201115635A (en) | 2011-05-01 |
CN101887842A (zh) | 2010-11-17 |
CN105047601A (zh) | 2015-11-11 |
US20100291752A1 (en) | 2010-11-18 |
CN101887842B (zh) | 2015-07-22 |
SG166738A1 (en) | 2010-12-29 |
KR20100123619A (ko) | 2010-11-24 |
US20120012986A1 (en) | 2012-01-19 |
TWI515779B (zh) | 2016-01-01 |
US8633570B2 (en) | 2014-01-21 |
JP5666827B2 (ja) | 2015-02-12 |
US8043938B2 (en) | 2011-10-25 |
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