KR102276783B1 - 치환된 가교성 화합물을 포함하는 레지스트 하층막 형성 조성물 - Google Patents
치환된 가교성 화합물을 포함하는 레지스트 하층막 형성 조성물 Download PDFInfo
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Abstract
[해결수단] 수지, 및 하기 식(1) 또는 식(2):
(식 중, Q1은 단결합 또는 m1가의 유기기를 나타내고, R1 및 R4는 각각 탄소원자수 2 내지 10의 알킬기, 또는 탄소원자수 1 내지 10의 알콕시기를 갖는 탄소원자수 2 내지 10의 알킬기를 나타내고, R2 및 R5는 각각 수소원자 또는 메틸기를 나타내고, R3 및 R6은 각각 탄소원자수 1 내지 10의 알킬기, 또는 탄소원자수 6 내지 40의 아릴기를 나타낸다.)로 표시되는 가교성 화합물을 포함하는 레지스트 하층막 형성 조성물.
Description
도 2는 합성예 4에서 얻어진 TBOM-BIP-A의 4치환체의 NMR스펙트럼이다.
도 3은 합성예 5에서 얻어진 TPOM-BIP-A의 4치환체의 NMR스펙트럼이다.
도 4는 합성예 6에서 얻어진 TEOM-BIP-A의 4치환체의 NMR스펙트럼이다.
도 5는 합성예 7에서 얻어진 TIBOM-BIP-A의 4치환체의 NMR스펙트럼이다.
도 6은 합성예 8에서 얻어진 EGME-BIP-A의 4치환체의 NMR스펙트럼이다.
도 7은 합성예 9에서 얻어진 EGEE-BIP-A의 4치환체의 NMR스펙트럼이다.
도 8은 합성예 10에서 얻어진 PGME-BIP-A의 4치환체의 NMR스펙트럼이다.
도 9는 합성예 11에서 얻어진 EGIPE-BIP-A의 4치환체의 NMR스펙트럼이다.
Claims (16)
- 수지, 및 하기 식(1) 또는 식(2):
(식 중, Q1은 단결합 또는 m1가의 유기기를 나타내고, R1 및 R4는 각각 탄소원자수 1 내지 10의 알콕시기를 갖는 탄소원자수 2 내지 10의 알킬기를 나타내고, R2 및 R5는 각각 수소원자 또는 메틸기를 나타내고, R3 및 R6은 각각 탄소원자수 1 내지 10의 알킬기, 또는 탄소원자수 6 내지 40의 아릴기를 나타낸다.
n1은 1≤n1≤3의 정수, n2는 2≤n2≤5의 정수, n3은 0≤n3≤3의 정수, n4는 0≤n4≤3의 정수, 3≤(n1+n2+n3+n4)≤6의 정수를 나타낸다.
n5는 1≤n5≤3의 정수, n6은 1≤n6≤4의 정수, n7은 0≤n7≤3의 정수, n8은 0≤n8≤3의 정수, 2≤(n5+n6+n7+n8)≤5의 정수를 나타낸다. m1은 2 내지 10의 정수를 나타낸다.)로 표시되는 가교성 화합물을 포함하는 레지스트 하층막 형성 조성물. - 제1항에 있어서,
Q1이 단결합, 또는 탄소원자수 1 내지 10의 쇄상 탄화수소기, 탄소원자수 6 내지 40의 방향족기, 또는 이들의 조합으로부터 선택되는 m1가의 유기기인 레지스트 하층막 형성 조성물. - 제1항에 있어서,
상기 식(1) 또는 식(2)로 표시되는 가교성 화합물이, 하기 식(3) 또는 식(4)로 표시되는 화합물과, 하이드록실기함유에테르 화합물과의 반응에 의해 얻어지는 것인 레지스트 하층막 형성 조성물.
(식 중, Q2는 단결합 또는 m2가의 유기기를 나타낸다. R8, R9, R11 및 R12는 각각 수소원자 또는 메틸기를 나타내고, R7 및 R10은 각각 탄소원자수 1 내지 10의 알킬기, 또는 탄소원자수 6 내지 40의 아릴기를 나타낸다.
n9는 1≤n9≤3의 정수, n10은 2≤n10≤5의 정수, n11은 0≤n11≤3의 정수, n12는 0≤n12≤3의 정수, 3≤(n9+n10+n11+n12)≤6의 정수를 나타낸다.
n13은 1≤n13≤3의 정수, n14는 1≤n14≤4의 정수, n15는 0≤n15≤3의 정수, n16은 0≤n16≤3의 정수, 2≤(n13+n14+n15+n16)≤5의 정수를 나타낸다. m2는 2 내지 10의 정수를 나타낸다.) - 제3항에 있어서,
상기 식(3) 또는 식(4)로 표시되는 화합물과, 하이드록실기함유에테르 화합물과의 반응이 산촉매의 존재하에서 행해지는 레지스트 하층막 형성 조성물. - 제4항에 있어서,
산촉매가 촉매용 이온교환수지인 레지스트 하층막 형성 조성물. - 제3항에 있어서,
하이드록실기함유에테르 화합물이 프로필렌글리콜모노메틸에테르 또는 프로필렌글리콜모노에틸에테르인 레지스트 하층막 형성 조성물. - 삭제
- 제1항에 있어서,
수지가 노볼락 수지인 레지스트 하층막 형성 조성물. - 제1항에 있어서,
가교제를 추가로 포함하는 레지스트 하층막 형성 조성물. - 제1항에 있어서,
산 및 산발생제 중 적어도 하나를 추가로 포함하는 레지스트 하층막 형성 조성물. - 제1항 내지 제6항 및 제8항 내지 제10항 중 어느 한 항에 기재된 레지스트 하층막 형성 조성물을 반도체기판 상에 도포하고 소성함으로써 얻어지는 레지스트 하층막.
- 제1항 내지 제6항 및 제8항 내지 제10항 중 어느 한 항에 기재된 레지스트 하층막 형성 조성물을 반도체기판 상에 도포하고 소성하여 레지스트 하층막을 형성하는 공정을 포함하는 반도체의 제조에 이용하는 레지스트 패턴의 형성방법.
- 반도체기판 상에 제1항 내지 제6항 및 제8항 내지 제10항 중 어느 한 항에 기재된 레지스트 하층막 형성 조성물에 의해 레지스트 하층막을 형성하는 공정, 그 위에 레지스트막을 형성하는 공정, 광 또는 전자선의 조사와 현상에 의해 레지스트 패턴을 형성하는 공정, 형성된 레지스트 패턴에 의해 이 레지스트 하층막을 에칭하는 공정, 및 패턴화된 레지스트 하층막에 의해 반도체기판을 가공하는 공정을 포함하는 반도체장치의 제조방법.
- 반도체기판 상에 제1항 내지 제6항 및 제8항 내지 제10항 중 어느 한 항에 기재된 레지스트 하층막 형성 조성물에 의해 레지스트 하층막을 형성하는 공정, 그 위에 하드마스크를 형성하는 공정, 다시 그 위에 레지스트막을 형성하는 공정, 광 또는 전자선의 조사와 현상에 의해 레지스트 패턴을 형성하는 공정, 형성된 레지스트 패턴에 의해 하드마스크를 에칭하는 공정, 패턴화된 하드마스크에 의해 이 레지스트 하층막을 에칭하는 공정, 및 패턴화된 레지스트 하층막에 의해 반도체기판을 가공하는 공정을 포함하는 반도체장치의 제조방법.
- 제14항에 있어서,
하드마스크가 무기물의 도포 또는 무기물의 증착에 의해 형성된 것인 제조방법.
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