KR102270547B1 - 반도체 장치의 제조 방법 및 진공 처리 장치 - Google Patents
반도체 장치의 제조 방법 및 진공 처리 장치 Download PDFInfo
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Abstract
기판의 표면에 중합용 원료를 공급하여, 요소 결합을 갖는 중합체로 이루어지는 제1 막(12)을 형성하는 공정과, 계속해서, 상기 제1 막(12)을 에칭해서 패턴(17)을 형성하는 공정과, 계속해서, 상기 기판을 가열해서 상기 중합체를 해중합함과 함께 당해 기판에 상기 중합용 원료와 반응해서 생성물을 발생하는 반응 가스를 공급하여, 상기 제1 막(12)에 치환되도록 당해 제1 막과는 상이한 재질에 의해 구성되는 제2 막(18)을 형성하는 공정을 행한다.
Description
도 2는 본 발명의 실시 형태에 따른 반도체 장치의 제조 방법의 공정의 일부를 도시하는 설명도이다.
도 3은 본 발명의 실시 형태에 따른 반도체 장치의 제조 방법의 공정의 일부를 도시하는 설명도이다.
도 4는 본 발명의 실시 형태에 따른 반도체 장치의 제조 방법의 공정의 일부를 도시하는 설명도이다.
도 5는 상기 제조 방법의 공정에서 진행되는 화학 반응을 도시하는 설명도이다.
도 6은 폴리요소막이 폴리이미드막으로 치환되는 상태를 도시하는 모식도이다.
도 7은 폴리요소막이 폴리이미드막으로 치환되는 상태를 도시하는 모식도이다.
도 8은 요소막을 형성하는 반응을 도시하는 설명도이다.
도 9는 폴리요소막이 치환되어 발생하는 치환 막 및 치환 막을 형성하기 위한 치환용 가스의 예를 나타내는 설명도이다.
도 10은 폴리요소막이 치환되어 발생하는 치환 막 및 치환 막을 형성하기 위한 치환용 가스의 예를 나타내는 설명도이다.
도 11은 폴리요소막이 치환되어 발생하는 치환 막 및 치환 막을 형성하기 위한 치환용 가스의 예를 나타내는 설명도이다.
도 12는 상기 반도체 장치의 제조 방법을 실시하기 위한 도포, 현상 장치의 평면도이다.
도 13은 상기 도포, 현상 장치의 사시도이다.
도 14는 상기 도포, 현상 장치의 종단 측면도이다.
도 15는 상기 도포, 현상 장치에 설치되는 폴리요소막을 형성하기 위한 모듈의 종단 측면도이다.
도 16은 상기 반도체 장치의 제조 방법을 실시하기 위한 진공 처리 장치의 평면도이다.
도 17은 상기 진공 처리 장치에 설치되는 에칭 처리 모듈의 종단 측면도이다.
도 18은 상기 진공 처리 장치에 설치되는, 막을 치환하는 치환 모듈의 종단 측면도이다.
도 19는 상기 진공 처리 장치에 설치되는, 도핑 모듈의 종단 측면도이다.
도 20은 본 발명의 실시 형태에 따른 반도체 장치의 제조 방법의 공정의 일부를 도시하는 설명도이다.
도 21은 본 발명의 실시 형태에 따른 반도체 장치의 제조 방법의 공정의 일부를 도시하는 설명도이다.
도 22는 비교예에 있어서의 반도체 장치의 제조 방법의 공정의 일부를 도시하는 설명도이다.
도 23은 막의 치환을 이용한 패턴의 형성이 행하여지는 상태를 도시하는 설명도이다.
도 24는 평가 시험의 결과를 나타내는 그래프도이다.
도 25는 평가 시험의 결과를 나타내는 그래프도이다.
도 26은 평가 시험의 결과를 나타내는 그래프도이다.
도 27은 평가 시험에서의 처리 공정을 도시하는 설명도이다.
도 28은 평가 시험의 결과를 나타내는 그래프도이다.
13 : 무기막 14 : 레지스트막
18 : 폴리이미드막 3 : 도포, 현상 장치
5 : 폴리요소막 형성 모듈 6 : 진공 처리 장치
7 : 에칭 처리 모듈 8 : 막 치환 모듈
9 : 도핑 모듈
Claims (10)
- 기판에 대하여 처리를 행하여, 반도체 장치를 제조하는 방법에 있어서,
상기 기판의 표면에 중합용 원료를 공급하여, 요소 결합을 갖는 중합체로 이루어지는 제1 막을 형성하는 공정과,
계속해서, 상기 제1 막을 에칭해서 패턴을 형성하는 공정과,
계속해서, 상기 기판을 가열해서 상기 중합체를 해중합함과 함께 당해 기판에 상기 해중합에 의해 얻어지는 상기 중합용 원료와 반응해서 생성물을 발생하는 반응 가스를 공급하고, 상기 제1 막을 치환하도록 당해 제1 막과는 상이한 재질에 의해 구성되는 제2 막을 형성하는 공정을 포함하는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 제2 막을 형성하는 공정은, 상기 기판을 200℃ 내지 300℃로 가열해서 행하여지는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 제2 막을 마스크로 해서, 당해 제2 막의 하층에 설치되는 하층 막에 대하여 에칭 또는 이온 주입을 행하는 공정을 포함하는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 제2 막은 폴리이미드에 의해 구성되는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 제1 막을 형성하는 공정은, 이소시아네이트의 액체와 아민의 액체를 상기 기판에 공급함과 함께, 가열된 당해 기판의 표면에서 상기 이소시아네이트와 아민을 중합 반응시키는 공정인 반도체 장치의 제조 방법. - 제5항에 있어서,
상기 이소시아네이트의 액체와 아민의 액체를 상기 기판에 공급하는 공정은,
이소시아네이트의 액체가 저류되는 제1 공급원으로부터 제1 유로에 이소시아네이트의 액체를 공급하는 공정과,
아민의 액체가 저류되는 제2 공급원으로부터 제2 유로에 당해 아민의 액체를 공급하는 공정과,
상기 제1 유로의 하류측과 상기 제2 유로의 하류측이 합류해서 형성되는 합류로에 상기 이소시아네이트의 액체와 상기 아민의 액체를 공급하고, 이들 액체를 혼합하여, 노즐로부터 상기 기판에 토출하는 공정을 포함하는 반도체 장치의 제조 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 제1 막을 형성하는 공정은, 이소시아네이트의 증기와 아민의 증기를 상기 기판에 공급함과 함께 당해 기판을 가열해서 이소시아네이트와 아민을 중합 반응시키는 공정인 반도체 장치의 제조 방법. - 요소 결합을 갖는 중합체로 이루어지는 제1 막과 당해 제1 막 상에 형성된 레지스트 패턴을 구비하는 레지스트막을 표면에 구비하는 기판에 대하여, 진공 분위기에서 에칭을 행하여 상기 레지스트 패턴에 대응하는 패턴을 제1 막에 형성하는 에칭 처리 모듈과,
상기 기판을 가열해서 상기 중합체를 해중합함과 함께 당해 기판에 상기 해중합에 의해 얻어지는 중합용 원료와 반응해서 생성물을 발생하는 반응 가스를 공급하여, 상기 제1 막을 치환하도록 당해 제1 막과는 상이한 재질의 제2 막을 형성하는 치환 모듈을 포함하는 진공 처리 장치. - 제8항에 있어서,
상기 치환 모듈은, 상기 기판을 200℃ 내지 300℃로 가열한 상태에서 당해 기판에 상기 반응 가스를 공급하는 진공 처리 장치. - 제8항 또는 제9항에 있어서,
상기 제2 막의 하층에 설치되는 하층 막에 대하여, 당해 제2 막을 마스크로 해서 에칭 또는 이온 주입을 행하기 위한 처리 모듈이 설치되는 진공 처리 장치.
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