KR101651206B1 - Soi 기판의 제작 방법 - Google Patents
Soi 기판의 제작 방법 Download PDFInfo
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- KR101651206B1 KR101651206B1 KR1020100048393A KR20100048393A KR101651206B1 KR 101651206 B1 KR101651206 B1 KR 101651206B1 KR 1020100048393 A KR1020100048393 A KR 1020100048393A KR 20100048393 A KR20100048393 A KR 20100048393A KR 101651206 B1 KR101651206 B1 KR 101651206B1
- Authority
- KR
- South Korea
- Prior art keywords
- single crystal
- crystal semiconductor
- substrate
- tray
- layer
- 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.)
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- 150000002500 ions Chemical class 0.000 claims description 39
- 239000011521 glass Substances 0.000 claims description 37
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 36
- 239000010703 silicon Substances 0.000 claims description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 20
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 82
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- 238000009826 distribution Methods 0.000 abstract description 16
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Images
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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
- H01L21/76254—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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- 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
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0214—Manufacture or treatment of multiple TFTs using temporary substrates
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- 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
- H10D86/201—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 the substrates comprising an insulating layer on a semiconductor body, e.g. SOI
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- 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
- H10D86/40—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 characterised by multiple TFTs
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- 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
- H10D86/40—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 characterised by multiple TFTs
- H10D86/60—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 characterised by multiple TFTs wherein the TFTs are in active matrices
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Abstract
열처리에 있어서, 베이스 기판 지지 및 단결정 반도체 기판 보유의 트레이로서, 오목부의 바닥이 깊고, 베이스 기판에 접착된 단결정 반도체 기판과 접촉하지 않는 트레이를 사용하여, 단결정 반도체 기판의 열 분포의 균일화를 도모한다. 또한, 상기 트레이 각각의 오목부 사이에 베이스 기판 지지부를 형성함으로써, 상기 트레이와 베이스 기판의 접촉 면적을 저감한다. 이상으로부터, 단결정 반도체 기판으로부터 단결정 반도체층을 분리하는 열처리 시에, 단결정 반도체 기판 및 베이스 기판의 열 분포가 균일하게 되도록 한다.
Description
도 2는 단결정 반도체 기판의 구성의 일 예를 도시하는 외관도.
도 3은 트레이의 구성의 일 예를 도시하는 도면.
도 4는 트레이에 배치된 복수의 단결정 반도체 기판을 도시하는 외관도.
도 5는 트레이의 구성예를 도시하는 상면도.
도 6은 트레이의 구성예를 도시하는 상면도.
도 7은 본 발명의 일 형태에 따른 SOI 기판의 제작 방법을 도시하는 단면도.
도 8은 본 발명의 일 형태에 따른 SOI 기판의 제작 방법을 도시하는 단면도.
도 9는 본 발명의 일 형태에 따른 SOI 기판의 제작 방법을 도시하는 단면도.
도 10은 본 발명의 일 형태에 따른 SOI 기판의 제작 방법을 도시하는 단면도.
도 11은 트레이의 구성의 일 예를 도시하는 도면.
도 12는 본 발명의 일 형태에 따른 SOI 기판의 제작 방법을 도시하는 단면도.
도 13은 트레이의 구성의 일 예를 도시하는 도면.
도 14는 단결정 반도체 기판의 재생 처리를 설명하는 도면.
도 15는 본 발명의 일 형태에 따른 SOI 기판을 사용한 반도체 장치의 제작 방법을 도시하는 도면.
도 16은 본 발명의 일 형태에 따른 SOI 기판을 사용한 반도체 장치의 제작 방법을 도시하는 도면.
도 17은 본 발명의 일 형태에 따른 SOI 기판을 사용한 반도체 장치의 제작 방법을 도시하는 도면.
도 18은 본 발명의 일 형태에 따른 SOI 기판을 사용하여 형성되는 인버터의 구성을 도시하는 도면.
도 19는 본 발명의 일 형태에 따른 SOI 기판을 사용하여 형성되는 NAND 회로의 구성을 도시하는 도면.
도 20은 본 발명의 일 형태에 따른 SOI 기판을 사용하여 형성되는 반도체 장치의 구성을 도시하는 도면.
도 21은 본 발명의 일 형태에 따른 SOI 기판을 사용하여 형성되는 반도체 장치의 구성을 도시하는 도면.
도 22는 본 발명의 일 형태에 따른 SOI 기판을 사용하여 형성되는 반도체 장치를 사용한 전자 기기의 도면.
20: 제 2 트레이 21: 오목부
30: 제 3 트레이 31: 오목부
32: 지지부 100: SOI 기판
101: 베이스 기판 102: 절연층
111: 단결정 반도체 기판 115: 단결정 반도체층
116: 단결정 반도체층 117: 단결정 반도체 기판
118: 단결정 반도체 기판 112: 절연층
113: 취화층 114: 접합층
115, 116: 단결정 반도체층
Claims (19)
- 상면에 접합층들이 형성되고, 취화층들이 형성된 복수의 단결정 반도체 기판들을 제 1 트레이의 복수의 오목부들에 배치하는 단계;
상기 접합층들의 표면들과 베이스 기판의 표면이 접합하도록 상기 접합층들을 개재하여 상기 복수의 단결정 반도체 기판들을 상기 베이스 기판에 밀접시킴으로써 상기 베이스 기판과 상기 복수의 단결정 반도체 기판들을 접합하는 단계;
상기 제 1 트레이를 상기 복수의 단결정 반도체 기판들로부터 분리하는 단계;
상기 복수의 단결정 반도체 기판들이 제 2 트레이의 복수의 오목부들과 겹치도록 상기 제 2 트레이를 배치하는 단계; 및
상기 단결정 반도체 기판들로부터 분리된 복수의 단결정 반도체층들에 밀착하는 상기 베이스 기판을 형성하는 단계를 포함하고,
상기 제 1 트레이의 상기 오목부의 깊이는 상기 단결정 반도체 기판의 두께보다 작고,
상기 제 2 트레이의 상기 오목부의 깊이는 상기 단결정 반도체 기판의 두께보다 큰, SOI 기판의 제작 방법. - 상면에 접합층들이 형성되고, 취화층들이 형성된 복수의 단결정 반도체 기판들을 제 1 트레이의 복수의 오목부들에 배치하는 단계;
상기 접합층들의 표면들과 베이스 기판의 표면이 접합하도록 상기 접합층들을 개재하여 상기 복수의 단결정 반도체 기판들을 상기 베이스 기판에 밀접시킴으로써 상기 베이스 기판과 상기 복수의 단결정 반도체 기판들을 접합하는 단계;
상기 제 1 트레이를 상기 복수의 단결정 반도체 기판들로부터 분리하는 단계;
상기 복수의 단결정 반도체 기판들이 제 2 트레이의 복수의 오목부들과 겹치도록, 상기 제 2 트레이의 상기 오목부들 사이에 지지부가 제공된, 상기 제 2 트레이를 배치하는 단계; 및
상기 단결정 반도체 기판들로부터 분리된 복수의 단결정 반도체층들에 밀착하는 상기 베이스 기판을 형성하는 단계를 포함하고,
상기 제 1 트레이의 상기 오목부의 깊이는 상기 단결정 반도체 기판의 두께보다 작고,
상기 제 2 트레이의 상기 오목부의 깊이와 상기 제 2 트레이의 상기 지지부의 높이의 합은 상기 단결정 반도체 기판의 두께보다 크고,
상기 제 2 트레이의 인접한 상기 오목부들 사이의 거리는 상기 지지부의 폭보다 큰, SOI 기판의 제작 방법. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항 또는 제 2 항에 있어서,
상기 제 2 트레이는 상기 복수의 단결정 반도체 기판들의 하면과 접촉하지 않고 배치되는, SOI 기판의 제작 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 단결정 반도체층들로부터 분리된 상기 단결정 반도체 기판들은 상기 제 2 트레이의 상기 복수의 오목부들에 유지되는, SOI 기판의 제작 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 제 2 트레이의 상기 오목부의 하면의 면적은 상기 단결정 반도체 기판의 하면의 면적의 1.1배 이하인, SOI 기판의 제작 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 접합층은 상기 단결정 반도체 기판과 접하는 절연층 위에 형성되는, SOI 기판의 제작 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 접합층은 상기 단결정 반도체 기판과 접하는 절연층 위에 형성되고,
상기 절연층은 복수의 절연막들을 포함하는 적층 구조를 갖는, SOI 기판의 제작 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 취화층은 H3 +를 함유하는 플라즈마를 생성하기 위해 수소 가스를 여기하고, 상기 플라즈마에 함유된 이온종을 상기 단결정 반도체 기판에 도핑하기 위해 상기 이온종을 가속함으로써 형성되는, SOI 기판의 제작 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 베이스 기판은 유리 기판인, SOI 기판의 제작 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 제 2 트레이는 석영 유리, 실리콘, 탄화 실리콘, 또는 무알칼리 유리로 만들어지는, SOI 기판의 제작 방법. - 반도체 장치의 제작 방법에 있어서,
제 1 항 또는 제 2 항에 따른 상기 SOI 기판을 이용하여 반도체 장치를 형성하는 단계를 포함하는, 반도체 장치의 제작 방법.
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