KR101484492B1 - 반도체 기판의 제작 방법 및 반도체 장치의 제작 방법 - Google Patents
반도체 기판의 제작 방법 및 반도체 장치의 제작 방법 Download PDFInfo
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- KR101484492B1 KR101484492B1 KR20080099869A KR20080099869A KR101484492B1 KR 101484492 B1 KR101484492 B1 KR 101484492B1 KR 20080099869 A KR20080099869 A KR 20080099869A KR 20080099869 A KR20080099869 A KR 20080099869A KR 101484492 B1 KR101484492 B1 KR 101484492B1
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- South Korea
- Prior art keywords
- single crystal
- crystal semiconductor
- layer
- semiconductor layer
- substrate
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Abstract
Description
Claims (65)
- 반도체 장치를 제작하는 방법에 있어서:단결정 반도체 기판의 표면보다 더 깊은 상기 단결정 반도체 기판의 부분에 위치하고 이온이 첨가된 손상 영역을 형성하기 위해 이온 도핑 방법에 의해 가속된 이온을 상기 단결정 반도체 기판에 첨가하는 단계;지지 기판과 상기 단결정 반도체 기판을 함께 접합하기 위해 버퍼층을 개재하여 상기 지지 기판과 상기 단결정 반도체 기판이 서로 밀착하도록 배치하는 단계;상기 단결정 반도체 기판으로부터 상기 단결정 반도체 기판의 일부를 분리하고 상기 단결정 반도체 기판의 상기 일부를 단결정 반도체 층으로서 상기 지지 기판에 고정하기 위해 상기 단결정 반도체 기판을 가열함으로써 상기 손상 영역에 균열을 발생시키는 단계;상기 단결정 반도체 층을 용융하고 재단결정화를 수행하기 위해 상기 버퍼층을 개재하여 상기 지지 기판에 고정된 상기 단결정 반도체 층의 일부에 레이저 빔을 조사하는 단계; 및상기 레이저 빔이 조사된 상기 단결정 반도체 층의 상기 일부 상에 가열된 질소 가스를 분사하는 단계를 포함하는, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 레이저 빔이 조사된 상기 단결정 반도체 층의 상기 일부의 표면 및 상기 표면 근처는 용융되는, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 레이저 빔이 조사된 상기 단결정 반도체 층의 상기 일부의 깊이 방향의 층 전체가 용융되는, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 레이저 빔의 상기 조사는 상기 단결정 반도체 층을 400℃ 이상 상기 지지 기판의 변형점 이하의 온도로 가열하면서 수행되는, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 레이저 빔의 상기 조사는 상기 단결정 반도체 층을 450℃ 이상 650℃ 이하의 온도로 가열하면서 수행되는, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 단결정 반도체 층이 상기 레이저 빔의 상기 조사에 의해 용융되는 시간 길이는 200ns 이상 1000ns 이하인, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 레이저 빔의 상기 조사는 상기 가열된 질소 가스를 분사하고 상기 단결정 반도체 층을 400℃ 이상 상기 지지 기판의 변형점 이하의 온도로 가열하면서 수행되는, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 단결정 반도체 층은 질소 가스 분위기 중에서 상기 레이저 빔으로 조사되는, 반도체 장치 제작 방법.
- 제 8 항에 있어서,상기 질소 가스 분위기 중의 산소 가스의 농도는 30ppm 이하인, 반도체 장치 제작 방법.
- 제 8 항에 있어서,상기 질소 가스 분위기 중의 산소 가스의 농도는 30ppb 이하인, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 손상 영역의 형성을 위해 소스 가스로서 수소 가스를 이용하고,상기 손상 영역을 형성하기 위해 상기 수소 가스를 여기시키고, H3 +를 함유하는 플라즈마를 발생시키고, 상기 플라즈마에 함유된 이온 종들을 가속시키고 상기 단결정 반도체 기판에 첨가하는, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 지지 기판은 650℃ 이상 690℃ 이하의 변형점을 갖는, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 지지 기판은 비-알칼리 유리 기판인, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 지지 기판은 비-알칼리 유리 기판(상품명: AN100), 비-알칼리 유리 기판(상품명: EAGLE2000(등록 상표)), 및 비-알칼리 유리 기판(상품명: EAGLE XG(등록 상표)) 중 하나인, 반도체 장치 제작 방법.
- 제 1 항에 있어서,상기 레이저 빔의 단면 형상은 선형, 정사각형, 및 직사각형 중 하나인, 반도체 장치 제작 방법.
- 반도체 장치를 제작하는 방법에 있어서:버퍼층을 개재하여 유리 기판 위에 단결정 반도체 층을 고정하는 단계; 및상기 유리 기판의 변형점 이하의 온도로 상기 단결정 반도체 층을 가열하기 위해 가열된 질소 가스를 분사하면서, 상기 단결정 반도체 층의 하층은 단결정 반도체로서 남겨두면서 상기 단결정 반도체 층의 상층을 용융하고 상기 하층의 상기 단결정 반도체의 결정 방위와 같은 결정 방위를 갖는 단결정 반도체가 되도록 상기 단결정 반도체 층의 재단결정화를 수행하기 위해 상기 단결정 반도체 층의 일부에 레이저 빔을 조사하는 단계를 포함하는, 반도체 장치 제작 방법.
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- 반도체 장치를 제작하는 방법에 있어서:버퍼층을 개재하여 유리 기판 위에 단결정 반도체 층을 고정하는 단계; 및상기 단결정 반도체 층을 상기 유리 기판의 변형점 이하의 온도로 가열하기 위해 가열된 질소 가스를 분사하면서, 조사된 부분과 중첩하는 상기 단결정 반도체 층의 깊이 방향의 층 전체를 용융하고 레이저 빔이 조사된 상기 단결정 반도체 층의 일부에 인접한 상기 단결정 반도체 층의 영역의 단결정 반도체의 결정 방위와 같은 결정 방위를 갖는 단결정 반도체가 되도록 상기 단결정 반도체 층의 재단결정화를 수행하기 위해 상기 단결정 반도체 층의 상기 일부에 상기 레이저 빔을 조사하는 단계를 포함하는, 반도체 장치 제작 방법.
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- 반도체 장치를 제작하는 방법에 있어서:버퍼층을 개재하여 유리 기판 위에 단결정 반도체 층을 고정하는 단계;상기 단결정 반도체 층이 고정된 상기 유리 기판을 상기 유리 기판의 변형점 이하의 온도로 가열하기 위해 가열된 질소 가스를 분사하면서, 하층의 단결정 반도체의 결정 방위와 같은 결정 방위를 갖는 단결정 반도체가 되도록 상기 단결정 반도체 층의 재단결정화를 수행하기 위해 상기 단결정 반도체 층의 일부에 선형 레이저 빔을 조사하는 단계를 포함하고,상기 단결정 반도체 층의 재단결정화 및 평탄화를 수행하기 위해 상기 선형 레이저 빔이 조사된 영역의 긴변 방향에 직교하는 방향으로 상기 유리 기판이 이동되는, 반도체 장치 제작 방법.
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- 반도체 장치를 제작하는 방법에 있어서:버퍼층을 개재하여 유리 기판 위에 단결정 반도체 층을 고정하는 단계;상기 단결정 반도체 층이 고정된 상기 유리 기판을 상기 유리 기판의 변형점 이하의 온도로 가열하기 위해 가열된 질소 가스를 분사하면서, 조사된 부분과 중첩하는 상기 단결정 반도체 층의 깊이 방향의 층 전체를 용융하고 선형 레이저 빔이 조사된 상기 단결정 반도체 층의 일부에 인접한 영역의 단결정 반도체의 결정 방위와 같은 결정 방위를 갖는 단결정 반도체가 되도록 상기 단결정 반도체 층의 재단결정화를 수행하기 위해 상기 단결정 반도체 층의 상기 일부에 상기 선형 레이저 빔을 조사하는 단계를 포함하고,상기 단결정 반도체 층의 재단결정화 및 평탄화를 수행하기 위해 상기 선형 레이저 빔이 조사된 영역의 긴변 방향에 직교하는 방향으로 상기 유리 기판이 이동되는, 반도체 장치 제작 방법.
- 제 16 항 또는 제 27 항에 있어서,상기 레이저 빔을 조사함으로써 용융된 단결정 부분의 결함은 상기 재단결정화중에 수복되는, 반도체 장치 제작 방법.
- 제 16 항, 제 27 항, 제 38 항 및 제 49 항 중 어느 한 항에 있어서,상기 유리 기판은 비-알칼리 유리 기판(상품명: AN100), 비-알칼리 유리 기판(상품명: EAGLE2000(등록 상표)), 및 비-알칼리 유리 기판(상품명: EAGLE XG(등록 상표)) 중 하나인, 반도체 장치 제작 방법.
- 제 16 항, 제 27 항, 제 38 항 및 제 49 항 중 어느 한 항에 있어서,상기 버퍼층은 적층 구조를 갖고 나트륨이 상기 단결정 반도체 층에 침입하는 것을 방지하기 위한 배리어층을 포함하는, 반도체 장치 제작 방법.
- 제 16 항, 제 27 항, 제 38 항 및 제 49 항 중 어느 한 항에 있어서,상기 버퍼층은 적층 구조를 갖고 질화실리콘막 및 질화산화실리콘막 및 상기 단결정 반도체 층을 산화함으로써 얻어진 산화막 중 하나를 포함하는, 반도체 장치 제작 방법.
- 제 16 항, 제 27 항, 제 38 항 및 제 49 항 중 어느 한 항에 있어서,상기 버퍼층은 적층 구조를 갖고 상기 유리 기판 및 상기 단결정 반도체 층 중 하나에 접합되는 접합층을 포함하는, 반도체 장치 제작 방법.
- 제 16 항, 제 27 항, 제 38 항 및 제 49 항 중 어느 한 항에 있어서,상기 버퍼층은 적층 구조를 갖고, 상기 유리 기판에 접합된 접합층, 상기 단결정 반도체 층에 접하는 절연막, 및 나트륨이 상기 단결정 반도체 층에 침입하는 것을 방지하기 위해 상기 접합층과 상기 절연막 사이에 형성되는 배리어층을 포함하는, 반도체 장치 제작 방법.
- 제 55 항에 있어서,상기 단결정 반도체 층에 접하는 상기 절연막은 산화실리콘막 및 산화질화실리콘막 및 할로겐을 함유하는 절연막 중 하나인, 반도체 장치 제작 방법.
- 제 16 항, 제 27 항, 제 38 항 및 제 49 항 중 어느 한 항에 있어서,상기 질소 가스에서 산소 가스의 농도는 30ppm 이하인, 반도체 장치 제작 방법.
- 제 16 항, 제 27 항, 제 38 항 및 제 49 항 중 어느 한 항에 있어서,상기 질소 가스에서 산소 가스의 농도는 30ppb 이하인, 반도체 장치 제작 방법.
- 제 16 항, 제 27 항, 제 38 항 및 제 49 항 중 어느 한 항에 있어서,상기 질소 가스는 상기 유리 기판의 표면측 및 이면측의 양쪽으로부터 분사되는, 반도체 장치 제작 방법.
- 반도체 장치를 제작하는 방법에 있어서:단결정 반도체 기판의 표면보다 더 깊은 상기 단결정 반도체 기판의 부분에 위치하고 이온이 첨가된 손상 영역을 형성하기 위해 이온 도핑 방법에 의해 H2 이온을 포함하는 가속된 이온을 상기 단결정 반도체 기판에 첨가하는 단계;지지 기판과 상기 단결정 반도체 기판을 함께 접합하기 위해 버퍼층을 개재하여 상기 지지 기판과 상기 단결정 반도체 기판이 서로 밀착하도록 배치하는 단계;상기 단결정 반도체 기판으로부터 상기 단결정 반도체 기판의 일부를 분리하고, 상기 단결정 반도체 기판의 상기 일부를 단결정 반도체 층으로서 상기 지지 기판에 고정하기 위해 상기 단결정 반도체 기판을 가열함으로써 상기 손상 영역에 균열을 발생시키는 단계; 및상기 단결정 반도체 층을 적어도 부분적으로 용융하기 위해 상기 단결정 반도체 층에 레이저 빔을 조사하는 단계를 포함하고,상기 레이저 빔의 상기 조사는 질소 함유 가스내에서 수행되는, 반도체 장치 제작 방법.
- 제 60 항에 있어서,상기 버퍼층은 적층 구조를 갖고 나트륨이 상기 단결정 반도체 층에 침입하는 것을 방지하기 위한 배리어층을 포함하는, 반도체 장치 제작 방법.
- 제 60 항에 있어서,상기 버퍼층은 적층 구조를 갖고 질화실리콘막 및 질화산화실리콘막 및 상기 단결정 반도체 기판을 산화함으로써 얻어진 산화막 중 하나를 포함하는, 반도체 장치 제작 방법.
- 제 60 항에 있어서,상기 질소 함유 가스는 가열된 질소 가스를 포함하는, 반도체 장치 제작 방법.
- 제 60 항에 있어서,상기 레이저 빔의 단면 형상은 선형, 정사각형, 및 직사각형 중 하나인, 반도체 장치 제작 방법.
- 제 38 항 또는 제 49 항에 있어서,상기 선형 레이저 빔을 조사함으로써 용융된 단결정 부분의 결함은 상기 재단결정화중에 수복되는, 반도체 장치 제작 방법.
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US20090098710A1 (en) | 2009-04-16 |
US7799658B2 (en) | 2010-09-21 |
US20110003461A1 (en) | 2011-01-06 |
JP2009124117A (ja) | 2009-06-04 |
KR20090037365A (ko) | 2009-04-15 |
US8314012B2 (en) | 2012-11-20 |
JP5383143B2 (ja) | 2014-01-08 |
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