KR20220143579A - 유동성 탄소 층으로 갭을 충진하는 방법 - Google Patents
유동성 탄소 층으로 갭을 충진하는 방법 Download PDFInfo
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- KR20220143579A KR20220143579A KR1020220044269A KR20220044269A KR20220143579A KR 20220143579 A KR20220143579 A KR 20220143579A KR 1020220044269 A KR1020220044269 A KR 1020220044269A KR 20220044269 A KR20220044269 A KR 20220044269A KR 20220143579 A KR20220143579 A KR 20220143579A
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Abstract
Description
도 1은 본 개시의 예시적 구현예에 따른 방법을 나타낸다.
도 2는 본 개시의 적어도 하나의 구현예에 따라 형성된 구조체를 나타낸다.
도 3은 본 개시의 예시적 구현예에 따른 방법을 나타낸다.
도 4는 본 개시의 예시적 구현예에 따른 시간 순서 다이어그램을 나타낸다.
도 5는 본 개시의 예시적인 구현예에 따른 다중 트렌치 구조체를 나타낸다.
도 6은 본 개시의 예시적 구현예에 따른 시스템을 나타낸다.
도면의 구성 요소들은 간략하고 명료하게 도시되어 있으며, 반드시 축적대로 도시되지 않았음을 이해할 것이다. 예를 들어, 본 개시에서 예시된 구현예의 이해를 돕기 위해 도면 중 일부 구성 요소의 치수는 다른 구성 요소에 비해 과장될 수 있다.
Claims (22)
- 방법으로서,
표면 상에 형성된 하나 이상의 리세스를 포함한 기판을, 반응 챔버에 제공하는 단계;
상기 표면 위에 하나 이상의 제1 탄소 층을 형성하는 단계(상기 하나 이상의 제1 탄소 층 중 적어도 하나는 제1 초기 유동성을 가짐); 및
상기 하나 이상의 제1 탄소 층 위에 제2 탄소 층을 형성하는 단계(상기 제2 탄소 층은 제2 초기 유동성을 가짐)를 포함하되,
상기 제2 초기 유동성은 상기 제1 초기 유동성보다 큰, 방법. - 제1항에 있어서, 상기 하나 이상의 리세스 중 적어도 하나의 리세스는 다중 트렌치 구조체를 포함하는, 방법.
- 제1항 또는 제2항에 있어서, 상기 제2 탄소 층은 상기 하나 이상의 제1 탄소 층 중 적어도 하나보다 두꺼운, 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 하나 이상의 제1 탄소 층을 형성하는 단계는, 상기 하나 이상의 리세스 내에 제1 초기 점성 층을 형성하는 단계 및 제1 플라즈마 공정을 사용하여 상기 제1 초기 점성 층을 처리하는 단계의 하나 이상의 사이클을 포함하는, 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 제2 탄소 층을 형성하는 단계는, 제2 초기 점성 층을 형성하는 단계, 및 제2 플라즈마 공정을 사용하여 상기 제2 초기 점성 층을 처리하는 단계를 포함하는, 방법.
- 제5항에 있어서, 상기 제1 플라즈마 공정은 제1 플라즈마 전력을 포함하고, 상기 제2 플라즈마 공정은 제2 플라즈마 전력을 포함하되, 상기 제2 플라즈마 전력은 상기 제1 플라즈마 전력보다 큰, 방법.
- 제4항 내지 제6항 중 어느 한 항에 있어서, 상기 제1 초기 점성 층은 제1 처리 시간 동안 상기 제1 플라즈마 공정으로 처리되고, 상기 제2 초기 점성 층은 제2 처리 시간 동안 상기 제2 플라즈마 공정으로 처리되며, 상기 제2 처리 시간은 상기 제1 처리 시간보다 긴, 방법.
- 제4항 내지 제6항 중 어느 한 항에 있어서, 상기 제1 플라즈마 공정은 제1 이온 에너지 레벨 및 제1 플럭스를 포함하고, 상기 제2 플라즈마 공정은 제2 이온 에너지 레벨 및 제2 플럭스를 포함하되, 상기 제2 이온 에너지 레벨은 상기 제1 이온 에너지 레벨보다 큰, 방법.
- 제8항에 있어서, 상기 제2 플럭스는 상기 제1 플럭스보다 큰 방법.
- 제4항 내지 제9항 중 어느 한 항에 있어서, 상기 제2 탄소 층을 형성하는 단계 동안의 증착 시간은, 하나 이상의 제1 탄소 층을 형성하는 단계 동안의 증착 시간보다 긴, 방법.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 제2 탄소 층의 표면은 평탄화되는, 방법.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 상기 하나 이상의 제1 탄소 층을 형성하는 단계 동안에, 상기 반응 챔버 내의 온도는 100°C 미만인, 방법.
- 제1항 내지 제12항 중 어느 한 항에 있어서, 상기 제2 탄소 층을 형성하는 단계 동안에, 상기 반응 챔버 내의 온도는 100°C 미만인, 방법.
- 제1항 내지 제13항 중 어느 한 항에 있어서, 상기 제1 플라즈마 공정 또는 상기 제2 플라즈마 공정 중 적어도 하나는 He, Ar, 및 N2 중 하나 이상으로부터 여기된 종을 형성하는 단계를 포함하는, 방법.
- 제1항 내지 제14항 중 어느 한 항에 있어서, 상기 하나 이상의 제1 탄소 층을 형성하는 단계는 제1 횟수만큼 반복되고, 상기 제2 탄소 층을 형성하는 단계는 제2 횟수만큼 반복되며, 상기 제1 횟수는 상기 제2 횟수보다 큰, 방법.
- 제1항 내지 제15항 중 어느 한 항에 있어서, 상기 하나 이상의 제1 탄소 층을 형성하는 단계는, 화학 조성식 CxHyNzOa(x는 2 이상인 자연수이고, y는 자연수이고, z는 0이거나 자연수이고, a는 0이거나 자연수임)로 표시된 탄소 전구체를 상기 반응 챔버에 제공하는 단계를 포함하는, 방법.
- 제1항 내지 제16항 중 어느 한 항에 있어서, 상기 제2 탄소 층을 형성하는 단계는, 화학 조성식 CxHyNzOa(x는 2 이상인 자연수이고, y는 자연수이고, z는 0이거나 자연수이고, a는 0이거나 자연수임)로 표시된 탄소 전구체를 상기 반응 챔버에 제공하는 단계를 포함하는, 방법.
- 제1항 내지 제17항 중 어느 한 항에 있어서, 상기 하나 이상의 제1 탄소 층을 형성하는 단계는, 사이클 당 제1 성장 레벨을 포함하고, 상기 제2 탄소 층을 형성하는 단계는, 사이클 당 제2 성장 레벨을 포함하되, 상기 사이클 당 제2 성장 레벨은 사이클 당 제1 성장 레벨보다 큰, 방법.
- 방법으로서,
표면 상에 형성된 하나 이상의 리세스를 포함한 기판을, 반응 챔버에 제공하는 단계;
제1 초기 유동성을 갖는 제1 초기 유동성 탄소 층을 증착하는 단계와 제1 초기 유동성 탄소 층을 제1 이온 에너지 레벨 및 제1 플럭스로 처리하는 단계에 의해, 상기 표면 위에 제1 탄소 층을 형성하는 단계;
제2 초기 유동성을 갖는 제2 초기 유동성 탄소 층을 증착하는 단계와 제2 초기 유동성 탄소 층을 제2 이온 에너지 레벨 및 제2 플럭스로 처리하는 단계에 의해, 상기 제1 탄소 층 위에 제2 탄소 층을 형성하는 단계를 포함하되,
상기 제2 초기 유동성은 상기 제1 초기 유동성보다 크고,
상기 제2 이온 에너지 레벨은 상기 제1 이온 에너지 레벨보다 큰 것 또는 상기 제2 플럭스는 상기 제1 플럭스보다 더 큰 것 중 적어도 하나인, 방법. - 제1항 내지 제19항 중 어느 한 항의 방법에 따라 형성된 구조체.
- 시스템으로서,
반응 챔버;
탄소 전구체 공급원;
불활성 가스 공급원;
플라즈마 전력 공급원;
배기 공급원; 및
제어기를 포함하되,
상기 제어기는, 상기 반응 챔버 내로 상기 탄소 전구체의 가스 흐름을 제어하여 제1 탄소 층 및 상기 제1 탄소 층 위에 제2 탄소 층을 형성하도록 구성되고,
상기 제1 탄소 층은 제1 두께 및 제1 초기 유동성을 포함하고, 상기 제2 탄소 층은 제2 두께 및 제2 초기 유동성을 포함하되,
상기 제2 두께는 상기 제1 두께보다 큰 것 및 상기 제2 유동성은 상기 제1 유동성보다 큰 것 중 적어도 하나인, 시스템. - 제21항에 있어서, 상기 제어기는, 상기 제1 탄소 층을 제1 이온 에너지 레벨 및 제1 플럭스로 처리하는 제1 플라즈마 공정을 제어하도록 구성되고, 상기 제어기는, 상기 제2 탄소 층을 제2 이온 에너지 레벨 및 제2 플럭스로 처리하는 제2 플라즈마 공정을 제어하도록 구성되며,
상기 제2 이온 에너지 레벨은 상기 제1 이온 에너지 레벨보다 큰 것 및 상기 제2 플럭스는 상기 제1 플럭스보다 더 큰 것 중 적어도 하나인, 시스템.
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| WO2025136812A1 (en) * | 2023-12-19 | 2025-06-26 | Lam Research Corporation | Depositing etch stop layer |
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| US6035803A (en) * | 1997-09-29 | 2000-03-14 | Applied Materials, Inc. | Method and apparatus for controlling the deposition of a fluorinated carbon film |
| WO2010045153A2 (en) * | 2008-10-14 | 2010-04-22 | Applied Materials, Inc. | Method for depositing conformal amorphous carbon film by plasma-enhanced chemical vapor deposition (pecvd) |
| US9514932B2 (en) * | 2012-08-08 | 2016-12-06 | Applied Materials, Inc. | Flowable carbon for semiconductor processing |
| US9190091B2 (en) * | 2013-08-02 | 2015-11-17 | HGST Netherlands, B.V. | Composition and method for planarized bit-patterned magnetic media |
| US10755922B2 (en) * | 2018-07-03 | 2020-08-25 | Asm Ip Holding B.V. | Method for depositing silicon-free carbon-containing film as gap-fill layer by pulse plasma-assisted deposition |
| US10388513B1 (en) | 2018-07-03 | 2019-08-20 | Asm Ip Holding B.V. | Method for depositing silicon-free carbon-containing film as gap-fill layer by pulse plasma-assisted deposition |
| TWI839544B (zh) | 2019-07-19 | 2024-04-21 | 荷蘭商Asm Ip私人控股有限公司 | 形成形貌受控的非晶碳聚合物膜之方法 |
| KR102861314B1 (ko) | 2019-11-20 | 2025-09-17 | 에이에스엠 아이피 홀딩 비.브이. | 기판의 표면 상에 탄소 함유 물질을 증착하는 방법, 상기 방법을 사용하여 형성된 구조물, 및 상기 구조물을 형성하기 위한 시스템 |
| KR102882467B1 (ko) | 2020-01-16 | 2025-11-05 | 에이에스엠 아이피 홀딩 비.브이. | 고 종횡비 피처를 형성하는 방법 |
| KR102899590B1 (ko) | 2020-02-05 | 2025-12-11 | 에이에스엠 아이피 홀딩 비.브이. | 탄소 재료를 포함한 구조체를 형성하는 방법, 이 방법을 사용하여 형성된 구조체, 및 이 구조체를 형성하기 위한 시스템 |
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