KR20070096054A - 기판처리방법 및 기판처리장치 - Google Patents
기판처리방법 및 기판처리장치 Download PDFInfo
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- KR20070096054A KR20070096054A KR1020077019512A KR20077019512A KR20070096054A KR 20070096054 A KR20070096054 A KR 20070096054A KR 1020077019512 A KR1020077019512 A KR 1020077019512A KR 20077019512 A KR20077019512 A KR 20077019512A KR 20070096054 A KR20070096054 A KR 20070096054A
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Abstract
Description
Claims (16)
- 피처리기판에 공급하는 수소 가스와 산소 또는 산소함유 가스와의 혼합가스를 플라즈마 방전하여 혼합 플라즈마를 생성하고, 상기 혼합 플라즈마로 상기 피처리기판을 처리하는 공정과,상기 피처리기판에 공급하는 수소 가스를 플라즈마 방전하여 수소 플라즈마를 생성하고, 상기 수소 플라즈마로 상기 피처리기판을 처리하는 공정을 포함하는 기판처리방법.
- 제 1항에 있어서, 상기 수소 플라즈마로 처리하는 공정을 제1공정으로 하고, 상기 제1공정 후에 제2공정으로서 상기 혼합 플라즈마로 처리하는 공정을 수행하는 것을 특징으로 하는 기판처리방법.
- 제 2항에 있어서, 상기 제1공정의 가스 중의 산소농도를 11.1% 이하로 하는 것을 특징으로 하는 기판처리방법.
- 제 2항에 있어서, 상기 제1공정의 상기 수소 가스에 대한 산소 가스의 유량비를, 상기 제2공정의 상기 수소 가스에 대한 산소 가스의 유량비보다 작게 하는 것을 특징으로 하는 기판처리방법.
- 제 2항에 있어서, 상기 제1공정에서는 수소 가스를 공급하고, 상기 제2공정에서는 상기 수소 가스의 공급을 계속하는 동시에 상기 수소 가스에 더하여 산소 가스를 공급하는 것을 특징으로 하는 기판처리방법.
- 제 2항에 있어서, 상기 제1공정의 가스 중에 포함되는 산소 가스의 유량을, 상기 제2공정의 상기 혼합 가스 중에 포함되는 산소 가스의 유량보다 작게 하는 것을 특징으로 하는 기판처리방법.
- 제 2항에 있어서, 상기 제1공정에서는 산소 가스를 공급하지 않는 것을 특징으로 하는 기판처리방법.
- 제 1항에 있어서, 상기 혼합 플라즈마로 처리하는 공정을 제3공정으로 하고, 상기 제3공정 후에 제4공정으로서 상기 수소 플라즈마로 처리하는 공정을 수행하는 것을 특징으로 하는 기판처리방법.
- 제 8항에 있어서, 상기 제4공정 가스 중의 산소농도를 11.1% 이하로 하는 것을 특징으로 하는 기판처리방법.
- 제 8항에 있어서, 제3공정의 상기 수소 가스에 대한 산소 가스의 유량비를, 상기 제4공정의 상기 혼합가스에 대한 산소 가스의 유량비보다 작게 하는 것을 특 징으로 하는 기판처리방법.
- 제 8항에 있어서, 제3공정에서는 상기 혼합 플라즈마에 의하여 상기 피처리기판을 선택 산화하고, 상기 제4공정에서는 산소 가스의 공급을 정지하는 것을 특징으로 하는 기판처리방법.
- 제 8항에 있어서, 상기 제4공정의 가스 중에 포함되는 산소 가스의 유량을, 제3공정의 상기 혼합가스 중에 포함되는 산소 가스의 유량보다 작게 하는 것을 특징으로 하는 기판처리방법.
- 제 8항에 있어서, 상기 제4공정에서는 산소 가스를 공급하지 않는 것을 특징으로 하는 기판처리방법.
- 피처리기판을 처리하는 처리실과,상기 처리실 내에 수소 가스와 산소 또는 산소함유 가스와의 혼합가스를 도입하는 혼합가스 도입구와,상기 처리실 내에 수소 가스를 도입하는 수소 가스 도입구와,상기 처리실 내를 배기하는 배기구과,상기 처리실 내에 도입된 상기 혼합가스를 플라즈마 방전하여 혼합 플라즈마를 생성하고, 상기 처리실 내에 도입된 수소 가스를 플라즈마 방전하여 수소 플라 즈마를 생성하는 플라즈마 생성 수단과,상기 혼합가스 도입구로부터 도입된 상기 혼합가스를 플라즈마 방전하여 상기 피처리기판에 공급하면서 상기 배기구로부터 배기하고, 상기 수소 가스 도입구로부터 도입된 상기 수소 가스를 플라즈마 방전하여 상기 피처리기판에 공급하면서 상기 배기구로부터 배기하도록 제어하는 제어 수단을 포함하는 것을 특징으로 하는 기판처리장치.
- 제 14항에 있어서, 상기 제어 수단은,상기 수소 가스 도입구로부터 도입된 상기 수소 가스를 플라즈마 방전하여 상기 피처리기판에 공급하면서 상기 배기구로부터 배기한 후, 상기 혼합가스 도입구로부터 도입된 상기 혼합가스를 플라즈마 방전하여 상기 피처리기판에 공급하면서 상기 배기구로부터 배기하도록 제어하는 제어 수단인 것을 특징으로 하는 기판처리장치.
- 제 14항에 있어서, 상기 제어 수단은,상기 혼합가스 도입구로부터 도입된 상기 혼합가스를 플라즈마 방전하여 상기 피처리기판에 공급하면서 상기 배기구로부터 배기한 후, 상기 수소 가스 도입구로부터 도입된 상기 수소 가스를 플라즈마 방전하여 상기 피처리기판에 공급하면서 상기 배기구로부터 배기하도록 제어하는 제어 수단인 것을 특징으로 하는 기판처리장치.
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