KR101837648B1 - 라디칼-컴포넌트 cvd를 위한 인시츄 오존 경화 - Google Patents
라디칼-컴포넌트 cvd를 위한 인시츄 오존 경화 Download PDFInfo
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Abstract
Description
도 1은 본 발명의 실시예들에 따른 실리콘 산화물 필름을 제조하기 위해 선택된 단계들을 나타낸 흐름도이고,
도 2는 본 발명의 실시예들에 따라 기판 갭에 실리콘 산화물 필름을 형성하기 위해 선택된 단계들을 나타낸 다른 흐름도이며,
도 3은 본 발명의 실시예들에 따라 실리콘-함유 필름들로부터 획득된 FTIR 스펙트럼들의 그래프이고,
도 4는 본 발명의 실시예들에 따른 기판 프로세싱 시스템을 도시하며,
도 5a는 본 발명의 실시예들에 따른 기판 프로세싱 챔버를 도시하며,
도 5b는 본 발명의 실시예들에 따른 기판 프로세싱 챔버의 샤워헤드를 도시한다.
Claims (20)
- 기판 프로세싱 챔버의 기판 프로세싱 영역에서 기판 상에 실리콘-및-산소-함유 층을 형성하는 방법으로서,
상기 기판 프로세싱 영역에서 상기 기판 상에 실리콘-및-질소-함유 층을 형성하는 단계 ― 상기 실리콘-및-질소-함유 층을 형성하는 단계는,
플라즈마 유출물들을 생성하기 위해서 안정한 가스를 플라즈마 영역 내로 유동시키는 단계,
무-플라즈마 기판 프로세싱 영역에서 상기 플라즈마 유출물들과 실리콘-함유 전구체를 조합하는 단계 ― 상기 실리콘-함유 전구체는 무-탄소임 ―, 그리고
상기 기판 상에 실리콘-및-질소-함유 층을 증착하는 단계
를 포함함 ― ; 및
상기 실리콘-및-산소-함유 층을 형성하기 위해서, 동일한 기판 프로세싱 영역에서의 오존-함유 분위기에서 상기 실리콘-및-질소-함유 층을 경화시키는 단계
를 포함하며, 경화 작업 동안 기판의 온도는 상기 실리콘-및-질소-함유 층을 증착하는 작업 동안의 온도보다 50 ℃ 미만만큼 더 높은, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 기판 프로세싱 영역에서 상기 기판 상에 제 2 실리콘-및-질소-함유 층을 형성하는 단계 ― 상기 제 2 실리콘-및-질소-함유 층을 형성하는 단계는,
플라즈마 유출물들을 생성하기 위해서 상기 안정한 가스를 상기 플라즈마 영역 내로 유동시키는 단계,
상기 기판 프로세싱 영역에서 상기 플라즈마 유출물들과 실리콘-함유 전구체를 조합하는 단계, 및
상기 기판 프로세싱 영역에서 상기 기판 상에 상기 제 2 실리콘-및-질소-함유 층을 증착하는 단계
를 포함함 ― ; 및
상기 기판 프로세싱 영역에서의 오존-함유 분위기에서 상기 제 2 실리콘-및-질소-함유 층을 경화시키는 단계
를 더 포함하는, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 기판 프로세싱 영역은 상기 실리콘-함유 전구체의 직접적인 플라즈마-여기를 방지하기 위해서 상기 실리콘-및-질소-함유 층을 형성하는 작업 동안에 무-플라즈마인, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 기판 프로세싱 영역은 상기 실리콘-및-질소-함유 층을 경화하는 작업 동안에 무-플라즈마인, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 실리콘-및-질소-함유 층을 증착하는 작업 동안의 기판 온도는 100℃ 미만인, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 경화 작업 동안의 기판 온도는 200℃ 미만인, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 실리콘-및-질소-함유 층의 두께는 1500Å 또는 그 미만인, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 경화 작업 동안에 상기 기판을 가열하기 위해서, 상기 기판은 가열된 샤워헤드를 향해서 상승되는, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 안정한 가스는 질소-및-수소-함유 가스이고 그리고 상기 플라즈마 유출물들은 라디칼-질소 전구체를 포함하는, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 9 항에 있어서,
상기 질소-및-수소-함유 가스는 암모니아를 포함하는, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 실리콘-함유 전구체는 실리콘-및-질소-함유 전구체를 포함하는, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 실리콘-함유 전구체는 N(SiH3)3를 포함하는, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 실리콘-및-질소-함유 층은 무-탄소 Si-N-H 층을 포함하는, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 기판은 패터닝되고 그리고 45nm 또는 그 미만의 폭을 가지는 트렌치를 포함하고, 상기 트렌치 내에 형성된 상기 실리콘-및-산소-함유 층은 무-공극(void-free)인, 실리콘-및-산소-함유 층을 형성하는 방법. - 제 1 항에 있어서,
상기 플라즈마 영역은 샤워헤드에 의해서 상기 무-플라즈마 기판 프로세싱 영역으로부터 분리된 상기 기판 프로세싱 챔버의 구획된 부분인, 실리콘-및-산소-함유 층을 형성하는 방법.
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WO2011084752A3 (en) | 2011-10-27 |
WO2011084752A2 (en) | 2011-07-14 |
US20120003840A1 (en) | 2012-01-05 |
JP2013516788A (ja) | 2013-05-13 |
TWI516630B (zh) | 2016-01-11 |
KR20120125623A (ko) | 2012-11-16 |
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