KR100945322B1 - 실리콘 산화막의 제조방법, 그의 제어 프로그램, 기억 매체및 플라즈마 처리장치 - Google Patents
실리콘 산화막의 제조방법, 그의 제어 프로그램, 기억 매체및 플라즈마 처리장치 Download PDFInfo
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- KR100945322B1 KR100945322B1 KR1020077021725A KR20077021725A KR100945322B1 KR 100945322 B1 KR100945322 B1 KR 100945322B1 KR 1020077021725 A KR1020077021725 A KR 1020077021725A KR 20077021725 A KR20077021725 A KR 20077021725A KR 100945322 B1 KR100945322 B1 KR 100945322B1
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Abstract
Description
Claims (21)
- 플라즈마 처리장치의 처리실내에서, 아르곤 및 산소를 포함하며 산소의 비율이 1 내지 100%인 처리가스를 사용하여, 처리압력 1.3 내지 133.3Pa에서 플라즈마 형성하고,상기 플라즈마에 의해, 피처리체에 형성된 오목부에 노출되어 있는 실리콘 표면을 산화하여 실리콘 산화막을 형성함으로써, 상기 오목부의 어깨부의 실리콘의 각(角)부에 둥근 형상을 형성하고, 상기 둥근 형상의 곡율 반경이 2.8nm 이상인, 실리콘 산화막의 형성방법.
- 제 1 항에 있어서,상기 플라즈마는, 상기 처리가스와, 복수의 슬롯을 갖는 평면 안테나에 의해 상기 처리실내에 도입되는 마이크로파에 의해서 형성되는 플라즈마인, 실리콘 산화막의 형성방법.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 둥근 형상의 곡율 반경이 4 내지 8nm로 되도록 제어하는, 실리콘 산화막의 형성방법.
- 삭제
- 제 1 항에 있어서,상기 처리압력이 6.7 내지 67Pa인, 실리콘 산화막의 형성방법.
- 제 1 항에 있어서,상기 처리가스 중의 산소의 비율이 25 내지 100%인, 실리콘 산화막의 형성방법.
- 제 1 항에 있어서,상기 처리가스 중의 산소의 비율이 50 내지 100%인, 실리콘 산화막의 형성방법.
- 제 1 항에 있어서,상기 처리가스는 수소를 0.1 내지 10%의 비율로 포함하는, 실리콘 산화막의 형성방법.
- 제 1 항에 있어서,처리온도가 300 내지 1000℃인, 실리콘 산화막의 형성방법.
- 제 1 항에 있어서,상기 플라즈마의 전자온도가 0.5 내지 2eV인, 실리콘 산화막의 형성방법.
- 삭제
- 제 1 항에 있어서,상기 오목부는, 샬로우 트렌치 아이솔레이션에서의 트렌치인, 실리콘 산화막의 형성방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 플라즈마를 발생시키는 플라즈마 공급원과,상기 플라즈마에 의해, 피처리체를 처리하기 위한 진공 배기가능한 처리실과,상기 처리실내에서, 아르곤 및 산소를 포함하며 산소의 비율이 1 내지 100%인 처리가스를 사용하여, 처리압력 1.3 내지 133.3Pa에서 플라즈마 형성하고, 상기 플라즈마에 의해, 피처리체에 형성된 오목부에 노출되어 있는 실리콘 표면을 산화하여 실리콘 산화막을 형성함으로써, 상기 오목부의 어깨부의 실리콘의 각부에 둥근 형상을 형성하고, 상기 둥근 형상의 곡율 반경이 2.8nm 이상인 실리콘 산화막의 형성방법이 행해지도록 제어하는 제어부를 구비한, 플라즈마 처리장치.
- 실리콘 표면이 노출되는 오목부를 갖는 기판을 처리실내에 준비하는 공정과,상기 처리실내에 아르곤 및 산소를 포함하는 처리가스를 공급하는 공정과,상기 처리가스를 여기하여 상기 처리실내에 상기 처리가스의 플라즈마를 생성하는 공정과,상기 플라즈마로 상기 실리콘 표면을 산화하여 상기 오목부내에 실리콘 산화막을 형성하는 공정을 구비하고,상기 플라즈마는, 상기 처리가스 중의 산소의 비율이 1 내지 100%의 범위이며, 상기 처리실내의 압력이 1.3 내지 133.3Pa의 범위에서 생성되고, 상기 플라즈마에 의해, 상기 오목부의 상기 실리콘 표면을 산화함으로써, 상기 실리콘 표면에 산화막을 형성함과 동시에 상기 오목부의 어깨부의 실리콘의 각부에 둥근 형상을 형성하고, 상기 둥근 형상의 곡률 반경이 2.8nm 이상인, 실리콘 산화막의 형성방법.
- 실리콘층과 그 위에 순서대로 적층된 실리콘 산화막 및 실리콘 질화막을 구비하고, 상기 실리콘 산화막 및 실리콘 질화막에 패턴 개구부가 형성되며, 상기 패턴 개구부를 통하여 상기 실리콘층에 트렌치가 형성되어 있는 기판을 처리실내에 준비하는 공정과,상기 처리실내에 아르곤 및 산소를 포함하는 처리가스를 공급하는 공정과,상기 처리가스를 여기하여 상기 처리실내에 상기 처리가스의 플라즈마를 생성하는 공정과,상기 플라즈마로 상기 트렌치내의 실리콘 표면을 산화하여 상기 트렌치내에 실리콘 산화막을 형성하는 공정을 구비하고,상기 플라즈마는, 상기 처리가스 중의 산소의 비율이 1 내지 100%의 범위이며, 상기 처리실내의 압력이 1.3 내지 133.3Pa의 범위에서 생성되고, 상기 플라즈마에 의해, 상기 트렌치내의 상기 실리콘 표면을 산화함으로써, 상기 실리콘 표면에 산화막을 형성함과 동시에 상기 트렌치의 어깨부의 실리콘의 각부에 둥근 형상을 형성하고, 상기 둥근 형상의 곡률 반경이 2.8nm 이상인, 실리콘 산화막의 형성방법.
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