KR101397567B1 - 반도체막의 결정화 방법 및 반도체장치의 제작방법 - Google Patents
반도체막의 결정화 방법 및 반도체장치의 제작방법 Download PDFInfo
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- KR101397567B1 KR101397567B1 KR1020080002260A KR20080002260A KR101397567B1 KR 101397567 B1 KR101397567 B1 KR 101397567B1 KR 1020080002260 A KR1020080002260 A KR 1020080002260A KR 20080002260 A KR20080002260 A KR 20080002260A KR 101397567 B1 KR101397567 B1 KR 101397567B1
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- laser beam
- film
- semiconductor film
- linear laser
- semiconductor
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/34—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies not provided for in groups H01L21/18, H10D48/04 and H10D48/07, with or without impurities, e.g. doping materials
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Abstract
Description
Claims (20)
- 삭제
- 반도체막을 결정화하는 방법으로서,비정질 반도체막 위에 절연막인 캡막을 형성하는 공정과;복수의 결정립을 포함하는 결정성 반도체막을 형성하고 상기 복수의 결정립의 결정 면 방위를 서로에 대해 일치시키기 위해, 선형 레이저 빔을 주사하면서 상기 선형 레이저 빔을 상기 캡막을 통하여 상기 비정질 반도체막에 조사하고, 상기 비정질 반도체막을 완전 용융시키는 공정을 포함하고,상기 선형 레이저 빔의 주사 방향에 평행한 방향으로의 피조사면에서의 상기 선형 레이저 빔의 폭은, 상기 선형 레이저 빔의 상기 주사 방향에 수직인 방향으로의 상기 결정성 반도체막의 상기 복수의 결정립 중 하나의 폭 이하이며,상기 캡막의 두께는 200㎚ 이상이고 600㎚ 이하인, 반도체막 결정화 방법.
- 제 2 항에 있어서, 상기 선형 레이저 빔은 레이저 빔을 비구면 실린드리컬 렌즈를 통과시킴으로써 형성되는, 반도체막 결정화 방법.
- 제 2 항에 있어서, 상기 선형 레이저 빔은 레이저 빔을 굴절률 분포형 렌즈를 통과시킴으로써 형성되는, 반도체막 결정화 방법.
- 제 2 항에 있어서, 피조사면에서의 상기 선형 레이저 빔의 폭이 5 ㎛ 이하인, 반도체막 결정화 방법.
- 제 2 항에 있어서, 연속 발진 레이저 또는 의사 연속 발진 레이저로부터 사출된 레이저 빔이 상기 선형 레이저 빔으로 정형되는, 반도체막 결정화 방법.
- 제 2 항에 있어서, 상기 선형 레이저 빔의 상기 주사 방향에 평행한 방향은 상기 선형 레이저 빔의 단축 방향이고,상기 선형 레이저 빔의 상기 주사 방향에 수직인 방향은 상기 선형 레이저 빔의 장축 방향인, 반도체막 결정화 방법.
- 반도체장치를 제작하는 방법으로서,비정질 반도체막 위에 절연막인 캡막을 형성하는 공정;제 1 결정성 반도체막을 형성하기 위해, 선형 레이저 빔을 주사하면서 상기 선형 레이저 빔을 상기 캡막을 통하여 상기 비정질 반도체막에 조사하고, 상기 비정질 반도체막을 완전 용융시키는 공정;제 2 결정성 반도체막을 형성하기 위해, 상기 제 1 결정성 반도체막을 소정의 형상으로 가공하는 공정; 및상기 제 2 결정성 반도체막에 채널 형성 영역을 포함하는 소자를 형성하는 공정을 포함하고,피조사면에서의 상기 선형 레이저 빔의 폭은 상기 제 1 결정성 반도체막의 결정립의 폭 이하인, 반도체장치 제작방법.
- 반도체장치를 제작하는 방법으로서,비정질 반도체막 위에 절연막인 캡막을 형성하는 공정과;복수의 결정립을 포함하는 제 1 결정성 반도체막을 형성하고 상기 복수의 결정립의 결정 면 방위를 서로에 대해 일치시키기 위해, 선형 레이저 빔을 주사하면서 상기 선형 레이저 빔을 상기 캡막을 통하여 상기 비정질 반도체막에 조사하고, 상기 비정질 반도체막을 완전 용융시키는 공정을 포함하고,제 2 결정성 반도체막을 형성하기 위해, 상기 제 1 결정성 반도체막을 소정의 형상으로 가공하는 공정; 및상기 제 2 결정성 반도체막에 채널 형성 영역을 포함하는 소자를 형성하는 공정을 포함하고,상기 선형 레이저 빔의 주사 방향에 평행한 방향으로의 피조사면에서의 상기 선형 레이저 빔의 폭은, 상기 선형 레이저 빔의 상기 주사 방향에 수직인 방향으로의 상기 제 1 결정성 반도체막의 상기 복수의 결정립 중 하나의 폭 이하이며,상기 캡막의 두께는 200㎚ 이상이고 600㎚ 이하인, 반도체장치 제작방법.
- 제 8 항 또는 제 9 항에 있어서, 상기 선형 레이저 빔은 레이저 빔을 비구면 실린드리컬 렌즈를 통과시킴으로써 형성되는, 반도체장치 제작방법.
- 제 8 항 또는 제 9 항에 있어서, 상기 선형 레이저 빔은 레이저 빔을 굴절률 분포형 렌즈를 통과시킴으로써 형성되는, 반도체장치 제작방법.
- 제 8 항 또는 제 9 항에 있어서, 피조사면에서의 상기 선형 레이저 빔의 폭이 5 ㎛ 이하인, 반도체장치 제작방법.
- 제 8 항 또는 제 9 항에 있어서, 연속 발진 레이저 또는 의사 연속 발진 레이저로부터 사출된 레이저 빔이 선형 레이저 빔으로 정형되는, 반도체장치 제작방법.
- 제 9 항에 있어서, 상기 선형 레이저 빔의 상기 주사 방향에 평행한 방향은 상기 선형 레이저 빔의 단축 방향이고,상기 선형 레이저 빔의 상기 주사 방향에 수직인 방향은 상기 선형 레이저 빔의 장축 방향인, 반도체장치 제작방법.
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US8349714B2 (en) | 2013-01-08 |
US20080214021A1 (en) | 2008-09-04 |
JP5377859B2 (ja) | 2013-12-25 |
JP2008205443A (ja) | 2008-09-04 |
KR20080069906A (ko) | 2008-07-29 |
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