KR101843226B1 - 이방성 도전 필름 및 그 제조 방법 - Google Patents
이방성 도전 필름 및 그 제조 방법 Download PDFInfo
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Abstract
Description
도 2 는, 비교예의 이방성 도전 필름의 단면도이다.
도 3a 는, 이방성 도전 필름의 제조시에 사용할 수 있는, 선상의 패턴을 갖는 전사형의 평면도이다.
도 3b 는, 이방성 도전 필름의 제조시에 사용할 수 있는, 도상 (島狀) 의 패턴을 갖는 전사형의 평면도이다.
도 3c 는, 도 3a 및 도 3b 의 전사형의 A-A 선 단면도이다.
도 4a 는, 전사형을 사용하는, 이방성 도전 필름의 제조 방법의 공정 설명도이다.
도 4b 는, 전사형을 사용하는, 이방성 도전 필름의 제조 방법의 공정 설명도이다.
도 4c 는, 전사형을 사용하는, 이방성 도전 필름의 제조 방법의 공정 설명도이다.
도 4d 는, 전사형을 사용하는, 이방성 도전 필름의 제조 방법의 공정 설명도이다.
도 4e 는, 전사형을 사용하는, 이방성 도전 필름의 제조 방법의 공정 설명도이다.
2 : 열가소성 수지 희석액
3 : 도전성 입자
4 : 피복 도전성 입자
5 : 박리 기재 또는 PET 필름
6a : 박리 기재 상의 열가소성 수지의 건조 도막
6b : 도전성 입자를 피복하고 있는 열가소성 수지의 건조 피막
7 : 도전성 입자 함유층
8 : 절연성 수지층
10, 46 : 이방성 도전 필름
30A, 30B, 40 : 전사형
31 : 홈
32 : 오목부
41 : 패임
43 : 도전성 입자군
44 : 열가소성 수지
45 : 피복 도전성 입자군 패턴
50 : 박리 필름
Claims (24)
- 건조에 의해 피막을 형성하는 열가소성 수지 희석액 중에 도전성 입자가 분산되어 있는 입자 분산액의 도막을 건조시킴으로써, 그 건조 도막에 상기 열가소성 수지 희석액의 건조 피막으로 피복된 피복 도전성 입자가 단층으로 고착되어 있는 도전성 입자 함유층을 형성하고, 도전성 입자 함유층을 절연성 수지층과 적층하는, 이방성 도전 필름의 제조 방법으로서,
입자 분산액에 있어서의 열가소성 수지의 고형분 농도의 조정에 의해 이방성 도전 필름에 있어서의 도전성 입자의 간격을 제어하는, 이방성 도전 필름의 제조 방법. - 삭제
- 제 1 항에 있어서,
입자 분산액에 있어서의 열가소성 수지의 고형분 농도를, 열가소성 수지 희석액의 2 ∼ 15 wt% 로 조정함으로써, 피복 도전성 입자의 입자 간 거리를 1 ∼ 6 ㎛ 로 제어하는, 이방성 도전 필름의 제조 방법. - 제 1 항 또는 제 3 항에 있어서,
용매에 도전성 입자를 분산하고, 그 분산액에, 건조에 의해 피막을 형성하는 열가소성 수지를 배합하여 입자 분산액을 조제하는, 이방성 도전 필름의 제조 방법. - 제 4 항에 있어서,
열가소성 수지가 에틸렌·아세트산비닐 공중합 수지인, 이방성 도전 필름의 제조 방법. - 제 1 항 또는 제 3 항에 있어서,
도전성 입자 함유층에 절연성 수지 필름을 라미네이트함으로써, 도전성 입자 함유층을 절연성 수지층과 적층하는, 이방성 도전 필름의 제조 방법. - 제 1 항 또는 제 3 항에 있어서,
도전성 입자 함유층이 규칙적인 패턴을 갖는 전사형을 사용하여 형성하는, 이방성 도전 필름의 제조 방법. - 열가소성 수지 희석액의 건조 도막에, 상기 열가소성 수지 희석액의 건조 피막으로 피복된 피복 도전성 입자가 단층으로 고착되어 있는 도전성 입자 함유층과 절연성 수지층이 적층되어 있는 이방성 도전 필름으로서,
복수의 도전성 입자가 규칙적인 패턴으로 도전성 입자군을 형성하고 있고,
상기 도전성 입자군은 불연속적인 독립된 패턴 형상으로 형성되어 있는 것을 특징으로 하는, 이방성 도전 필름. - 제 8 항에 있어서,
상기 열가소성 수지가 에틸렌·아세트산비닐 공중합 수지인, 이방성 도전 필름. - 제 8 항 또는 제 9 항에 있어서,
피복 도전성 입자의 입자 간 거리가 1 ∼ 6 ㎛ 인, 이방성 도전 필름. - 삭제
- 제 1 전자 부품의 단자와 제 2 전자 부품의 단자를 이방성 도전 필름을 사용하여 이방성 도전 접속하는 접속 방법으로서,
제 2 전자 부품 상에, 제 8 항에 기재된 이방성 도전 필름을 임시 접착하고,
제 2 전자 부품 상에 임시 접착한 이방성 도전 필름 상에 제 1 전자 부품을 임시 설치하고,
이어서, 제 1 전자 부품과 이방성 도전 필름과 제 2 전자 부품을 가열 가압하는, 접속 방법. - 제 12 항에 있어서,
제 1 전자 부품이 실장 부품이고, 제 2 전자 부품이 기판류이고, 제 1 전자 부품과 이방성 도전 필름과 제 2 전자 부품의 가열 가압을, 제 1 전자 부품의 위에서부터 가열 툴로 실시하는, 접속 방법. - 제 12 항 또는 제 13 항에 기재된 접속 방법에 의해 얻어진 제 1 전자 부품과 제 2 전자 부품의 접속체.
- 열가소성 수지막에, 상기 열가소성 수지로 피복된 피복 도전성 입자가 단층으로 고착되어 있는 도전성 입자 함유층과 절연성 수지층이 적층되어 있는 이방성 도전 필름으로서,
복수의 도전성 입자가 규칙적인 패턴으로 도전성 입자군을 형성하고 있고,
상기 도전성 입자군은 불연속적인 독립된 패턴 형상으로 형성되어 있는 것을 특징으로 하는 이방성 도전 필름. - 열가소성 수지로 피복된 피복 도전성 입자가 단층으로 유지되어 있는 도전성 입자 함유층과 절연성 수지층이 적층되어 있는 이방성 도전 필름으로서,
복수의 도전성 입자가 규칙적인 패턴으로 도전성 입자군을 형성하고, 임의의 도전성 입자군은 다른 도전성 입자군으로부터 이격되어 있고,
상기 도전성 입자군은 불연속적인 독립된 패턴 형상으로 형성되어 있는 것을 특징으로 하는 이방성 도전 필름. - 삭제
- 삭제
- 삭제
- 삭제
- 제 1 전자 부품의 단자와 제 2 전자 부품의 단자를 이방성 도전 필름을 사용하여 이방성 도전 접속하는 접속 방법으로서,
제 2 전자 부품 상에, 제 15 항 또는 제 16 항에 기재된 이방성 도전 필름을 임시 접착하고,
제 2 전자 부품 상에 임시 접착한 이방성 도전 필름 상에 제 1 전자 부품을 임시 설치하고,
이어서, 제 1 전자 부품과 이방성 도전 필름과 제 2 전자 부품을 가열 가압하는 접속 방법. - 제 21 항에 있어서,
제 1 전자 부품이 실장 부품이고, 제 2 전자 부품이 기판류이고, 제 1 전자 부품과 이방성 도전 필름과 제 2 전자 부품의 가열 가압을, 제 1 전자 부품의 위에서부터 가열 툴로 실시하는 접속 방법. - 제 1 전자 부품의 단자와 제 2 전자 부품의 단자 간이 이방성 도전 필름으로 이방성 도전 접속되어 이루어지는 접속체로서,
상기 이방성 도전 필름이 제 15 항 또는 제 16 항에 기재된 이방성 도전 필름인 것을 특징으로 하는 접속체. - 제 1 전자 부품의 단자와 제 2 전자 부품의 단자 간을 이방성 도전 필름으로 이방성 도전 접속함으로써 접속체를 제조하는 방법으로서,
상기 이방성 도전 필름이 제 15 항 또는 제 16 항에 기재된 이방성 도전 필름인 것을 특징으로 하는 접속체의 제조 방법.
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