KR20210109046A - 질화규소를 증착하는 방법들 - Google Patents
질화규소를 증착하는 방법들 Download PDFInfo
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Abstract
Description
[0010] 도 1은 하나 이상의 실시예들에 따라 질화규소 막을 증착하는 방법의 순서도를 도시한 것이다.
[0011] 일 실시예의 엘리먼트들 및 특징들은 추가 언급이 없이도 다른 실시예들에 유리하게 통합될 수 있음이 고려된다.
Claims (15)
- 질화규소 막을 증착하는 방법으로서,
처리 챔버에 규소-질소 전구체 및 플라즈마-활성화된 공반응물을 도입하는 단계;
상기 처리 챔버 내에서 플라즈마를 생성시키는 단계;
상기 플라즈마에서 상기 규소-질소 전구체 및 상기 플라즈마-활성화된 공반응물을 반응시켜 상기 처리 챔버 내에서 기판 상에 유동 가능한 질화규소 물질을 생성시키는 단계; 및
상기 유동 가능한 질화규소 물질을 처리하여 상기 기판 상에 고체 질화규소 물질을 생성시키는 단계를 포함하며,
상기 규소-질소 전구체는
및 이들의 임의의 조합으로 이루어진 군으로부터 선택되며, 상기 식에서, 각 R은 H, 알킬, 아릴, 아미노, 실릴, 이소시아네이트, 이소티오시아네이트, 이들의 이성질체들, 또는 이들의 염들로부터 독립적으로 선택되거나, 임의의 2개의 R 기들은 연결되어 사이클릭 기를 형성하는, 방법. - 제1항에 있어서,
각 R이 H, CH3, C2H5, C3H7, C4H9, NR'2, SiHx, N=C=S, N=C=O, 또는 이들의 이성질체들로부터 독립적으로 선택되거나, 임의의 2개의 R 기들은 연결되어 사이클릭 기를 형성하며;
각 R'가 H, CH3, C2H5, C3H7, C4H9, 또는 이들의 이성질체들로부터 독립적으로 선택되며;
x가 1, 2, 또는 3의 정수인, 방법. - 제1항에 있어서, 상기 플라즈마-활성화된 공반응물이 암모니아, 산소(O2), 또는 암모니아와 산소의 조합물을 포함하며, 상기 플라즈마-활성화된 공반응물이 아르곤, 헬륨, 질소(N2), 수소(H2), 또는 이들의 임의의 조합물을 추가로 포함하며, 상기 규소-질소 전구체가 약 0.67 내지 약 5의 N/Si 원자 비율을 갖는, 방법.
- 제1항에 있어서,
상기 기판에 형성된 트렌치를 상기 유동 가능한 질화규소 물질로 적어도 일부 채우는 단계; 및
상기 유동 가능한 질화규소 물질을 경화시켜 상기 트렌치에서 상기 고체 질화규소 물질을 생성시키는 단계를 추가로 포함하는, 방법. - 제10항에 있어서, 상기 트렌치에서 상기 고체 질화규소 물질을 생성시키기 위해 상기 유동 가능한 질화규소 물질을 경화시킬 때, 상기 유동 가능한 질화규소 물질이 약 10 Å 내지 약 500 Å의 두께를 갖는, 방법.
- 제11항에 있어서, 상기 트렌치를 상기 유동 가능한 질화규소 물질로 적어도 일부 채우는 단계 및 상기 유동 가능한 질화규소 물질을 경화시켜 상기 트렌치에 상기 고체 질화규소 물질을 생성시키는 단계를 적어도 1회 내지 약 20회 순차적으로 반복하는 것을 추가로 포함하며, 상기 질화규소 막은 서로 층층이 순차적으로 형성된 상기 고체 질화규소 물질의 복수의 층들을 포함하며, 상기 질화규소 막은 약 50 Å 내지 약 500 Å의 두께를 갖는, 방법.
- 제1항에 있어서,
상기 기판 상에 층으로서 상기 유동 가능한 질화규소 물질을 증착하는 단계;
상기 유동 가능한 질화규소 물질을 포함하는 상기 층을 처리하여 상기 고체 질화규소 물질의 층을 생성시키는 단계; 및
상기 증착 및 처리 단계를 반복하여 서로 층층이 순차적으로 형성된 상기 고체 질화규소 물질의 복수의 층들을 포함하는 상기 질화규소 막을 생성시키는 단계를 추가로 포함하는, 방법. - 질화규소 막을 증착하는 방법으로서,
처리 챔버 내에서 기판을 규소-질소 전구체, 플라즈마-활성화된 공반응물, 및 플라즈마에 노출시켜 상기 기판 상에 유동 가능한 질화규소 물질을 생성시키는 단계; 및
상기 유동 가능한 질화규소 물질을 처리하여 상기 기판 상에 고체 질화규소 물질을 생성시키는 단계를 포함하며,
상기 규소-질소 전구체는
및 이들의 임의의 조합으로 이루어진 군으로부터 선택되며, 상기 식에서, 각 R은 H, 알킬, 아릴, 아미노, 실릴, 이소시아네이트, 이소티오시아네이트, 이들의 이성질체들, 또는 이들의 염들로부터 독립적으로 선택되거나, 임의의 2개의 R 기들은 연결되어 사이클릭 기를 형성하는, 방법. - 질화규소 막을 증착하는 방법으로서,
처리 챔버에 규소-질소 전구체 및 플라즈마-활성화된 공반응물을 도입하는 단계;
상기 규소-질소 전구체 및 상기 플라즈마-활성화된 공반응물을 플라즈마와 반응시켜 상기 처리 챔버 내에서 기판 상에 유동 가능한 질화규소 물질을 생성시키는 단계;
상기 기판에 형성된 트렌치를 상기 유동 가능한 질화규소 물질로 적어도 일부 채우는 단계; 및
상기 유동 가능한 질화규소 물질을 처리하여 상기 트렌치에 고체 질화규소 물질을 생성시키는 단계를 포함하며,
상기 규소-질소 전구체는
및 이들의 임의의 조합으로 이루어진 군으로부터 선택되며, 상기 식에서, 각 R은 H, CH3, C2H5, C3H7, C4H9, NR'2, SiHx, N=C=S, N=C=O, 또는 이들의 이성질체들로부터 독립적으로 선택되거나, 임의의 2개의 R 기들은 연결되어 사이클릭 기를 형성하며;
각 R'는 H, CH3, C2H5, C3H7, C4H9, 또는 이들의 이성질체들로부터 독립적으로 선택되며;
x는 1, 2, 또는 3의 정수인, 방법.
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