KR100503527B1 - 퍼하이드로 폴리실라잔을 포함하는 반도체 소자 제조용조성물 및 이를 이용한 반도체 소자의 제조방법 - Google Patents
퍼하이드로 폴리실라잔을 포함하는 반도체 소자 제조용조성물 및 이를 이용한 반도체 소자의 제조방법 Download PDFInfo
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Abstract
Description
Claims (14)
- 중량 평균 분자량이 300 내지 3000이고 분자량 분포도가 1.8 내지 3이며 하기식 (1)로 표현되고, 5 내지 30 중량%를 차지하는 퍼하이드로 폴리실라잔; 및70 내지 95 중량%를 차지하는 용매를 포함하는 반도체 소자 제조용 조성물.-(SiH2NH)n- --- (1)(상기식 (1)에서, n은 양의 정수를 의미한다.)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 반도체 기판에 트렌치를 형성하는 단계;상기 트렌치를 매립하도록 중량 평균 분자량이 300 내지 3000이고 분자량 분포도가 1.8 내지 3이며 하기식 (1)로 표현되는 퍼하이드로 폴리실라잔 및 용매로 이루어진 용액을 도포하여 상기 트렌치를 포함하는 반도체 기판에 제1 막을 형성하는 단계;-(SiH2NH)n- --- (1)(상기식 (1)에서, n은 양의 정수를 의미한다.)상기 제1 막에 산화기체를 제공하고 600℃ 이상의 열을 가하여 제1 실리콘 산화막으로 전환시키는 단계;상기 제1 실리콘 산화막이 상기 트렌치 내에만 존재하도록 연마하여 상기 반도체 기판에 액티브 영역 및 필드 영역을 정의하는 단계;상기 액티브 영역 및 필드 영역이 정의된 반도체 기판 상에 복수개의 제1 도전성 패턴을 형성하는 단계;상기 퍼하이드로 폴리실라잔 및 용매로 이루어진 용액을 사용하여 상기 기판 상에 상기 제1 도전성 패턴 사이를 매립하는 제2 막을 형성하는 단계;상기 제2 막에 산화기체를 제공하고 열을 가하여 제2 실리콘 산화막으로 전환시키는 단계;상기 제2 실리콘 산화막의 일부를 식각하여 상기 액티브 영역의 상부면을 노출시키는 제1 개구부를 형성하는 단계;상기 제1 개구부를 도전성 물질로 매립하여 제1 콘택을 형성하는 단계;상기 제1 콘택과 연결되는 제2 도전성 패턴을 형성하는 단계;상기 퍼하이드로 폴리실라잔 및 용매로 이루어진 용액을 사용하여 상기 제2 도전성 패턴을 포함한 기판 상에 제3 막을 형성하는 단계;상기 제3 막에 산화기체를 제공하고 열을 가하여 제3 실리콘 산화막으로 전환시키는 단계;상기 제3 실리콘 산화막의 일부 및 상기 제2 실리콘 산화막을 연속적으로 식각하여 상기 기판의 상부면을 노출시키는 제2 개구부를 형성하는 단계; 및상기 제2 개구부를 도전성 물질로 매립하여 제2 콘택을 형성하는 단계를 구비하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 삭제
- 제8항에 있어서, 상기 제1 개구부를 형성한 이후에, 상기 제1 개구부를 세정하는 단계를 더 구비하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 삭제
- 제8 항에 있어서, 상기 제2 개구부를 형성한 이후에, 상기 제2 개구부를 세정하는 단계를 더 구비하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제8 항에 있어서, 상기 제1 도전성 패턴들 사이의 간격은 약 20nm 이하인 것을 특징으로 하는 반도체 소자의 제조방법.
- 제13 항에 있어서, 상기 퍼하이드로 폴리실라잔에 대한 제1 도전성 패턴 사이의 간격의 비는 약 1:5 이상인 것을 특징으로 하는 반도체 소자의 제조방법.
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US10/776,823 US7015144B2 (en) | 2003-02-12 | 2004-02-11 | Compositions including perhydro-polysilazane used in a semiconductor manufacturing process and methods of manufacturing semiconductor devices using the same |
US11/298,785 US7429637B2 (en) | 2003-02-12 | 2005-12-09 | Compositions including perhydro-polysilazane used in a semiconductor manufacturing process and methods of manufacturing semiconductor devices using the same |
US12/194,313 US20090012221A1 (en) | 2003-02-12 | 2008-08-19 | Compositions including perhydro-polysilazane used in a semiconductor manufacturing process |
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-
2003
- 2003-02-12 KR KR10-2003-0008846A patent/KR100503527B1/ko not_active Expired - Fee Related
-
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- 2004-02-11 US US10/776,823 patent/US7015144B2/en not_active Expired - Lifetime
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- 2005-12-09 US US11/298,785 patent/US7429637B2/en not_active Expired - Lifetime
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US10020185B2 (en) | 2014-10-07 | 2018-07-10 | Samsung Sdi Co., Ltd. | Composition for forming silica layer, silica layer, and electronic device |
US10093830B2 (en) | 2014-12-19 | 2018-10-09 | Samsung Sdi Co., Ltd. | Composition for forming a silica based layer, method for manufacturing silica based layer, and electronic device including the silica based layer |
US10427944B2 (en) | 2014-12-19 | 2019-10-01 | Samsung Sdi Co., Ltd. | Composition for forming a silica based layer, silica based layer, and electronic device |
US10106687B2 (en) | 2015-07-31 | 2018-10-23 | Samsung Sdi Co., Ltd. | Composition for forming silica layer, method for manufacturing silica layer and silica layer |
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US7015144B2 (en) | 2006-03-21 |
US20040161944A1 (en) | 2004-08-19 |
US20060094243A1 (en) | 2006-05-04 |
KR20040072382A (ko) | 2004-08-18 |
US7429637B2 (en) | 2008-09-30 |
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