KR20140114450A - 다층 프린트 배선판의 제조 방법 - Google Patents
다층 프린트 배선판의 제조 방법 Download PDFInfo
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- KR20140114450A KR20140114450A KR1020147023756A KR20147023756A KR20140114450A KR 20140114450 A KR20140114450 A KR 20140114450A KR 1020147023756 A KR1020147023756 A KR 1020147023756A KR 20147023756 A KR20147023756 A KR 20147023756A KR 20140114450 A KR20140114450 A KR 20140114450A
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Abstract
Description
도 2는 비교예 3 내지 5의 결과를 도시하는 주사형 전자현미경(SEM) 사진을 포함하는 도면.
Claims (31)
- (1) 지지체 필름상에 프리프레그가 형성된 접착 시트가 롤형으로 권취된 롤형 접착 시트로부터 접착 시트를 반송하고, 프리프레그면이 회로 기판의 양면 또는 편면에 접하도록 접착 시트를 배치하는 가()본딩 준비 공정,
(2) 접착 시트의 일부를 지지체 필름측으로부터 가열 및 가압함으로써 부분적으로 접착 시트를 회로 기판에 접착한 후, 접착 시트를 회로 기판의 사이즈에 따라서 커터로 커트함으로써, 접착 시트를 회로 기판에 가본딩하는 가본딩 공정,
(3) 감압하에서, 가본딩된 접착 시트를 가열 및 가압하고, 회로 기판에 접착 시트를 라미네이트하는 라미네이트 공정,
(4) 프리프레그를 열경화하고, 절연층을 형성하는 열경화 공정, 및
(5) 열경화 공정 후에 지지체 필름을 박리하는 박리 공정을 포함하는 것을 특징으로 하는, 다층 프린트 배선판의 제조 방법. - 제1항에 있어서, 접착 시트에서, 지지체 필름이 프리프레그와 접하는 면측에 이형층을 갖고 있는, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 접착 시트에서, 지지체 필름이 프리프레그와 접하는 면측에 이형층을 가지고, 열경화 전의 프리프레그로부터의 지지체 필름의 박리 강도가 180도 필(peel) 강도로 1.5gf/50mm 이상인, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 접착 시트에서, 지지체 필름이 프리프레그와 접하는 면측에 알키드 수지계 이형층을 갖고 있는, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 접착 시트에서, 지지체 필름의 두께가 20 내지 50㎛ 및 프리프레그의 두께가 20 내지 100㎛인, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 가본딩 준비 공정 및 가본딩 공정이 오토커터에 의해 수행되는, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 라미네이트 공정이 진공 라미네이터에 의해 수행되는, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 접착 시트가 보호 필름/프리프레그/지지체 필름의 층 구성을 가지고, 가본딩 준비 공정에 있어서의 접착 시트의 반송시에, 보호 필름이 권취되면서 박리되는, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 접착 시트에 있어서, 보호 필름의 두께가 5 내지 30㎛인, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 라미네이트 공정에서, 가열 및 가압이 탄성재를 통하여 수행되는, 다층 프린트 배선판의 제조 방법.
- 제10항에 있어서, 라미네이트 공정 후에, 상압하에서, 금속판에 의해, 접착 시트를 가열 및 가압하는 평활화 공정을 추가로 포함하는, 다층 프린트 배선판의 제조 방법.
- 제1항에 있어서, 절연층에 천공하는 천공 공정, 상기 절연층을 조화 처리하는 조화 공정, 조화된 절연층 표면에 도금에 의해 도체층을 형성하는 도금 공정, 및 도체층에 회로를 형성하는 회로 형성 공정을 추가로 포함하는, 다층 프린트 배선판의 제조 방법.
- 제12항에 있어서, 절연층에 천공하는 천공 공정이 열경화 공정과 박리 공정 사이에 수행되는, 다층 프린트 배선판의 제조 방법.
- 제12항 또는 제13항에 있어서, 천공 공정에서, 비어 홀 형성이 지지체 필름상으로부터 탄산가스 레이저를 조사하여 수행되는, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 지지체 필름이 폴리에틸렌테레프탈레이트 필름인, 다층 프린트 배선판의 제조 방법.
- 제1항 또는 제2항에 있어서, 프리프레그가 유리 크로스에 열경화성 수지 조성물을 함침한 프리프레그인, 다층 프린트 배선판의 제조 방법.
- 지지체 필름상에 프리프레그가 형성된 접착 시트가 롤형으로 권취된 롤형 접착 시트로서,
당해 접착 시트의 열경화전의 프리프레그로부터의 지지체 필름의 박리 강도가 180도 필 강도로 1.5gf/50mm 이상이고,
오토커터에 의해 세팅되어, 다층 프린트 배선판의 제조에 제공되는, 롤형 접착 시트. - 제17항에 있어서, 지지체 필름이 프리프레그와 접하는 면측에 이형층을 갖는, 롤형 접착 시트.
- 제17항에 있어서, 지지체 필름의 두께가 20 내지 50㎛인, 롤형 접착 시트.
- 제17항에 있어서, 지지체 필름의 두께가 20 내지 50㎛ 및 프리프레그의 두께가 20 내지 100㎛인, 롤형 접착 시트.
- 제17항에 있어서, 롤형 접착 시트가 보호 필름/프리프레그/지지체 필름의 층 구성을 갖고 있는, 롤형 접착 시트.
- 제21항에 있어서, 보호 필름의 두께가 5 내지 30㎛인, 롤형 접착 시트.
- 제17항에 있어서, 지지체 필름이 폴리에틸렌테레프탈레이트 필름인, 롤형 접착 시트.
- 제18항에 있어서, 이형층이 알키드 수지계 이형제를 포함하는 이형층인, 롤형 접착 시트.
- 제18항에 있어서, 이형층의 두께가 0.01 내지 1㎛인, 롤형 접착 시트.
- 제17항에 있어서, 프리프레그가 시트형 섬유 기재에 열경화성 수지 조성물을 함침한 프리프레그인, 롤형 접착 시트.
- 제17항에 있어서, 프리프레그가 유리 크로스에 열경화성 수지 조성물을 함침한 프리프레그인, 롤형 접착 시트.
- 제17항에 있어서, 프리프레그의 열경화성 수지 조성물 중의 잔류 용제의 함유 비율이 5질량% 이하인, 롤형 접착 시트.
- 제26항에 있어서, 시트형 섬유 기재의 두께가 50㎛ 이하인, 롤형 접착 시트.
- 제17항 내지 제29항 중 어느 한 항에 있어서, 다층 프린트 배선판의 절연층의 형성에 사용되는, 롤형 접착 시트.
- 제17항 내지 제29항 중 어느 한 항에 있어서, 다층 프린트 배선판의 빌드업된 절연층의 형성에 사용되는, 롤형 접착 시트.
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