KR20170081716A - 3d nand 하드마스크 애플리케이션을 위한 나노결정질 다이아몬드 탄소 필름 - Google Patents
3d nand 하드마스크 애플리케이션을 위한 나노결정질 다이아몬드 탄소 필름 Download PDFInfo
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Abstract
Description
[0010] 도 1은, 하나 또는 그 초과의 실시예들에 따른, 구성된 CVD 프로세스 챔버의 개략적인 단면도이고;
[0011] 도 2는, 하나 또는 그 초과의 실시예들에 따른, 나노결정질 다이아몬드 층의 측면도이며; 그리고
[0012] 도 3은, 하나 또는 그 초과의 실시예들에 따른, 나노결정질 다이아몬드 층을 갖는 기판을 프로세싱하기 위한 방법의 흐름도이다.
[0013] 이해를 용이하게 하기 위하여, 가능하면, 도면들에 공통되는 동일한 엘리먼트들을 나타내기 위해 동일한 참조번호들이 사용되었다. 일 실시예에 개시되는 엘리먼트들이, 구체적인 언급 없이 다른 실시예들에 대해 유익하게 사용될 수 있다는 점이 고려된다.
Claims (15)
- 디바이스로서,
프로세싱 표면 및 지지 표면을 갖는 기판;
상기 프로세싱 표면 상에 형성된 디바이스 층; 및
상기 디바이스 층 상에 형성된 나노결정질(nanocrystalline) 다이아몬드 층 - 상기 나노결정질 다이아몬드 층은 2nm 내지 5nm의 평균 결정 입도(average grain size)를 가짐 - 을 포함하는,
디바이스. - 제 1 항에 있어서,
상기 나노결정질 다이아몬드 층 위에 형성된 포토레지스트(photoresist)를 더 포함하는,
디바이스. - 제 1 항에 있어서,
상기 나노결정질 다이아몬드 층은, 6nm 미만의 높이 편차(height deviation)의 제곱 평균 제곱근(root mean square)을 갖는 표면 거칠기를 더 갖는,
디바이스. - 제 1 항에 있어서,
상기 나노결정질 다이아몬드 층 및 상기 디바이스 층 각각은, 내부에 형성된 채널을 갖는,
디바이스. - 제 1 항에 있어서,
상기 디바이스 층은 실리콘 옥사이드, 실리콘 나이트라이드, 실리콘 옥시나이트라이드, 또는 이들의 조합들을 포함하는,
디바이스. - 제 1 항에 있어서,
상기 디바이스 층은 티타늄, 백금, 루테늄, 티타늄 나이트라이드, 하프늄 나이트라이드, 탄탈룸 나이트라이드, 지르코늄 나이트라이드, 또는 금속 실리사이드, 예컨대, 티타늄 실리사이드, 니켈 실리사이드, 코발트 실리사이드, 또는 이들의 조합을 포함하는,
디바이스. - 제 1 항에 있어서,
상기 디바이스 층은 반도체 플로팅 게이트(floating gate), 전도성 나노입자들, 또는 이산 전하 저장 유전체 피처(discrete charge storage dielectric feature)를 포함하는,
디바이스. - 기판을 프로세싱하기 위한 방법으로서,
기판의 프로세싱 표면 상에 디바이스 층을 증착시키는 단계 - 상기 기판은 프로세스 챔버에 포지셔닝됨 -;
상기 디바이스 층 상에 나노결정질 다이아몬드 층을 증착시키는 단계 - 상기 나노결정질 다이아몬드 층은 2nm 내지 5nm의 평균 결정 입도를 가짐 -;
상기 나노결정질 다이아몬드 층을 패터닝하고 에칭하는 단계;
피처를 형성하기 위해 상기 디바이스 층을 에칭하는 단계; 및
상기 디바이스 층의 표면으로부터 상기 나노결정질 다이아몬드 층을 애싱하는(ashing) 단계를 포함하는,
기판을 프로세싱하기 위한 방법. - 제 8 항에 있어서,
상기 피처는 50:1 초과의 종횡비를 갖는,
기판을 프로세싱하기 위한 방법. - 제 8 항에 있어서,
상기 나노결정질 다이아몬드 층을 증착시키기 전에 시드 층(seed layer)을 형성하는 단계를 더 포함하는,
기판을 프로세싱하기 위한 방법. - 디바이스로서,
프로세싱 표면 및 지지 표면을 갖는 기판;
상기 프로세싱 표면 상에 형성된 복수의 디바이스 층들 - 상기 디바이스 층들 중 적어도 하나는 3D NAND 구조의 하나 또는 그 초과의 컴포넌트들을 형성함 -;
상기 디바이스 층을 통해 형성된 복수의 채널들 - 복수의 채널들 각각은 상기 하나 또는 그 초과의 컴포넌트들 중 적어도 하나에 연결됨 -; 및
프로세싱 층 상에 형성된 나노결정질 다이아몬드 층 - 상기 나노결정질 다이아몬드 층은 2nm 내지 5nm의 평균 결정 입도를 가짐 - 을 포함하는,
디바이스. - 제 11 항에 있어서,
상기 나노결정질 다이아몬드 층은, 6nm 미만의 높이 편차(height deviation)의 제곱 평균 제곱근(root mean square)을 갖는 표면 거칠기를 더 갖는,
디바이스. - 제 11 항에 있어서,
상기 복수의 디바이스 층들 중 적어도 하나는 실리콘 옥사이드, 실리콘 나이트라이드, 실리콘 옥시나이트라이드, 또는 이들의 조합들을 포함하는,
디바이스. - 제 11 항에 있어서,
상기 복수의 디바이스 층들 중 적어도 하나는 티타늄, 백금, 루테늄, 티타늄 나이트라이드, 하프늄 나이트라이드, 탄탈룸 나이트라이드, 지르코늄 나이트라이드, 또는 금속 실리사이드, 예컨대, 티타늄 실리사이드, 니켈 실리사이드, 코발트 실리사이드, 또는 이들의 조합을 포함하는,
디바이스. - 제 11 항에 있어서,
상기 복수의 디바이스 층들 중 적어도 하나는 반도체 플로팅 게이트, 전도성 나노입자들, 또는 이산 전하 저장 유전체 피처를 포함하는,
디바이스.
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| KR1020177009088A Active KR101821800B1 (ko) | 2014-09-03 | 2015-08-25 | 3d nand 하드마스크 애플리케이션을 위한 나노결정질 다이아몬드 탄소 필름 |
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| US20170062216A1 (en) | 2017-03-02 |
| TW201614811A (en) | 2016-04-16 |
| KR102250012B1 (ko) | 2021-05-07 |
| US9502262B2 (en) | 2016-11-22 |
| JP2017224823A (ja) | 2017-12-21 |
| TW201828363A (zh) | 2018-08-01 |
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