KR20220121720A - 포스포실리케이트 유리 층을 형성하는 방법, 방법을 사용하여 형성된 구조 및 방법을 수행하기 위한 시스템 - Google Patents
포스포실리케이트 유리 층을 형성하는 방법, 방법을 사용하여 형성된 구조 및 방법을 수행하기 위한 시스템 Download PDFInfo
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Abstract
Description
도 1은 본 개시의 예시적인 실시예에 따른 방법을 예시한다.
도 2는 본 개시의 적어도 하나의 실시예에 따른 타이밍 시퀀스를 예시한다.
도 3 내지 도 6은 본 개시의 예에 따른 구조체를 예시한다.
도 7은 본 개시의 적어도 하나의 실시예에 따른 시스템을 예시한다.
도 8은 본 개시의 적어도 하나의 실시예에 따라 사용가능한 FPS(flow-pass system)을 사용하는 전구체 공급 시스템을 예시한다.
도면의 요소가 단순성 및 명확성을 위해 예시되어 있으며 반드시 축척에 맞게 그려진 것이 아니라는 것을 이해할 것이다. 예를 들어, 도면의 일부 요소의 치수는 본 개시의 예시된 실시예의 이해를 개선시키는 데 도움이 되도록 다른 요소에 비교하여 과장될 수 있다.
Claims (21)
- 포스포실리케이트 유리 층을 형성하는 방법으로서, 상기 방법은,
반응 챔버 내에 기판을 제공하는 단계;
상기 기판 위에 놓이는 규소-함유 층을 형성하는 단계; 및
상기 기판 위에 놓이는 인-함유 층을 증착하는 단계를 포함하고,
상기 인-함유 층을 증착하는 단계는 인-함유 전구체를 상기 반응 챔버로 유동시키는 단계를 포함하고,
상기 규소-함유 층을 증착하는 단계 및 상기 인-함유 층을 증착하는 단계는 증착된 포스포실리케이트 유리 층을 형성하기 위해 사용되고,
상기 증착된 인-함유 층은 P2O3를 포함하는, 방법. - 청구항 1에 있어서, 상기 인-함유 층을 증착하는 단계 동안 추가 산화제가 상기 반응 챔버로 유동되지 않는, 방법.
- 청구항 1 또는 2에 있어서, 상기 규소-함유 층을 형성하는 단계 및 상기 인-함유 층을 증착하는 단계가 반복되어 상기 증착된 포스포실리케이트 유리 층을 형성하는, 방법.
- 청구항 1 내지 3 중 어느 한 항에 있어서, 상기 규소-함유 층을 형성하는 단계는 CVD, ALD, PECVD, PEALD 중 하나 이상을 포함하는, 방법.
- 청구항 1 내지 4 중 어느 한 항에 있어서, 상기 규소-함유 층을 형성하는 단계는 BDEAS, DIPAS로 구성된 그룹으로부터 선택된 규소 전구체를 상기 반응 챔버로 유동시키는 단계를 포함하는, 방법.
- 청구항 1 내지 5 중 어느 한 항에 있어서, 상기 규소-함유 층을 형성하는 단계 동안 추가 산화제가 상기 반응 챔버로 유동되지 않는, 방법.
- 청구항 1 내지 6 중 어느 한 항에 있어서, 상기 규소-함유 층을 형성하는 단계는 상기 규소 전구체를 불활성 가스 플라즈마에 노출시키는 단계를 포함하는, 방법.
- 청구항 7에 있어서, 상기 규소 전구체를 상기 반응 챔버로 유동시키는 단계 및 상기 규소 전구체를 불활성 가스 플라즈마에 노출시키는 단계는 중첩되지 않는, 방법.
- 청구항 1 내지 8 중 어느 한 항에 있어서, 상기 인-함유 층을 증착하는 단계는 상기 인-함유 전구체를 불활성 가스 플라즈마에 노출시키는 단계를 더 포함하는, 방법.
- 청구항 9에 있어서, 상기 인-함유 전구체를 반응 챔버로 유동시키는 단계 및 상기 인-함유 전구체를 상기 불활성 가스 플라즈마에 노출시키는 단계는 중첩되지 않는, 방법.
- 청구항 1 내지 10 중 어느 한 항에 있어서, 상기 인-함유 전구체를 상기 반응 챔버로 유동시키는 단계는 TMPI, TEPO, TMPO 중 하나 이상을 상기 반응 챔버로 유동시키는 단계를 포함하는, 방법.
- 청구항 1 내지 11 중 어느 한 항에 있어서, 상기 인-함유 층을 증착하는 단계는 CVD, ALD, PEALD, PECVD 중 하나 이상을 포함하는, 방법.
- 청구항 7 내지 12 중 어느 한 항에 있어서, 상기 불활성 가스 플라즈마는 아르곤, 헬륨, 질소 중 하나 이상으로부터 선택된 불활성 가스를 사용하여 형성되는, 방법.
- 청구항 13에 있어서, 상기 불활성 가스는 상기 규소-함유 층을 형성하는 단계 및 상기 인-함유 층을 증착하는 단계 동안 상기 반응 챔버에 연속적으로 제공되는, 방법.
- 청구항 1 내지 14 중 어느 한 항에 있어서, 상기 증착된 인-함유 층의 용융 온도는 500℃ 미만, 250℃ 미만, 50℃ 미만, 또는 30℃ 미만인, 방법.
- 청구항 1 내지 14 중 어느 한 항에 있어서, 비산화 환경에서 상기 기판을 가열하여 상기 증착된 포스포실리케이트 유리 층을 유동시켜 유동 포스포실리케이트 유리 층(flowed phosphosilicate glass layer)을 형성하게 하는 단계를 더 포함하는, 방법.
- 청구항 16에 있어서, 상기 가열하는 단계 동안의 온도는 500℃ 이하, 또는 400℃ 미만 또는 300℃ 미만인, 방법.
- 청구항 16 또는 17에 있어서, 상기 유동 포스포실리케이트 유리 층을 산화시키는 단계를 더 포함하는, 방법.
- 포스포실리케이트 유리 층을 형성하는 방법으로서, 상기 방법은,
반응 챔버 내에 기판을 제공하는 단계;
상기 기판 위에 놓이는 규소-함유 층을 형성하는 단계; 및
상기 기판 위에 놓이는 인-함유 층을 증착하는 단계를 포함하고,
상기 규소-함유 층을 형성하는 단계 및 상기 인-함유 층을 증착하는 단계는 증착된 포스포실리케이트 유리 층을 형성하기 위해 사용되고,
상기 증착된 인-함유 층의 용융 온도는 500℃ 이하인, 방법. - 청구항 1 내지 19 중 어느 한 항의 방법에 따라 형성된 구조체.
- 시스템에 있어서,
반응 챔버;
상기 반응 챔버에 유체 흐름 가능하게(fluidly) 결합된 가스 주입 시스템;
규소-함유 전구체 및 선택적으로 운반 가스를 상기 반응 챔버로 도입하기 위한 제1 가스 소스;
인-함유 전구체 및 선택적으로 운반 가스를 상기 반응 챔버로 도입하기 위한 제2 가스 소스;
불활성 가스를 상기 반응 챔버로 도입하기 위한 불활성 가스 소스;
불활성 가스 플라즈마를 형성하기 위한 플라즈마 전원;
배기 소스; 및
제어기를 포함하고, 상기 제어기는 상기 가스 주입 시스템으로의 가스 유동을 제어하고 상기 시스템이 청구항 1 내지 19 중 어느 한 항에 따른 방법을 수행하게 하도록 구성된, 시스템.
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