KR20180125991A - 도전성 도료 및 이것을 사용한 차폐 패키지의 제조 방법 - Google Patents
도전성 도료 및 이것을 사용한 차폐 패키지의 제조 방법 Download PDFInfo
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Abstract
Description
도 2는 개편화 전의 차폐 패키지의 예를 나타내는 평면도이다.
도 3은 도전성 도료의 도전성시험으로 사용한, 도전성 도막이 형성된 경화물 샘플의 모식도이다.
B……개편화된 차폐 패키지,
B1, B2, B9……개편화되기 전의 차폐 패키지
1……기판, 2……전자 부품, 3……그라운드 회로 패턴(동박), 4……봉지재,
5……도전성 도료(차폐층), 11∼19……홈
21……동 패드, 22……도전성 도막
Claims (9)
- (A) 상온에서 고체인 고체 에폭시 수지와 상온에서 액체인 액체 에폭시 수지를 포함하는 바인더 성분 100질량부에 대하여,
(B) 탭 밀도가 5.3∼6.5 g/cm3인 금속 입자 500∼1800 질량부, (C) 이미다졸계 경화제를 적어도 1종 함유하는 경화제 0.3∼40 질량부 및 (D) 용제 150∼600 질량부를 적어도 함유하는, 도전성 도료. - 제1항에 있어서,
상기 (A) 바인더 성분이 상온에서 고체인 고체 에폭시 수지 5∼35 질량부와 상온에서 액체인 액체 에폭시 수지 20∼90 질량부를 합계량 100질량부를 초과하지 않는 범위에서 함유하는, 도전성 도료. - 제1항 또는 제2항에 있어서,
상기 (A) 바인더 성분이 (메타)아크릴레이트 화합물을 더욱 함유하는, 도전성 도료. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 (B) 금속 입자가 플레이크(flake)상(狀)인, 도전성 도료. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 (C) 경화제가 페놀계 경화제 및 나프톨계 경화제로 이루어지는 군으로부터 선택된 적어도 1종을 더욱 함유하는, 도전성 도료. - 제1항 내지 제5항 중 어느 한 항에 있어서,
원뿔평판형 회전점도계로 0.5rpm에서 측정한 점도가 100mPa·s 이상인,
도전성 도료. - 제1항 내지 제6항 중 어느 한 항에 있어서,
단일원통형 회전점도계로 로터 No.5를 사용하여 10rpm에서 측정한 점도가 15dPa·s 이하인, 도전성 도료. - 제1항 내지 제7항 중 어느 한 항에 있어서,
전자 부품의 패키지의 차폐용인, 도전성 도료. - 기판 상에 전자 부품이 탑재되고, 상기 전자 부품이 봉지재(封止材)에 의해 봉지된 패키지가 차폐층에 의해 피복된 차폐 패키지의 제조 방법으로서,
기판 상에 복수의 전자 부품을 탑재하고, 상기 기판 상에 봉지재를 충전하고 경화시킴으로써 상기 전자 부품을 봉지하는 공정,
상기 복수의 전자 부품 사이에서 봉지재를 절삭하여 홈부(溝部)를 형성하고, 이들 홈부에 의해 기판 상의 각 전자 부품의 패키지를 개별화(個別化)시키는 공정,
상기 개별화한 패키지의 표면에, 제1항 내지 제8항 중 어느 한 항에 기재된 도전성 도료를 분무에 의해 도포하는 공정,
상기 도전성 도료가 도포된 패키지를 가열하고, 상기 도전성 도료를 경화시킴으로써 차폐층을 형성하는 공정 및
상기 기판을 상기 홈부를 따라 절단함으로써 개편화(個片化)한 차폐 패키지를 얻는 공정을 적어도 포함하는, 차폐 패키지의 제조 방법.
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JP (1) | JP6831731B2 (ko) |
KR (1) | KR102355386B1 (ko) |
CN (1) | CN108884358B (ko) |
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TWI848937B (zh) | 2018-07-24 | 2024-07-21 | 日商拓自達電線股份有限公司 | 屏蔽封裝體及屏蔽封裝體之製造方法 |
KR102675853B1 (ko) | 2018-11-21 | 2024-06-14 | 타츠타 전선 주식회사 | 차폐 패키지 |
TWI813872B (zh) * | 2019-07-25 | 2023-09-01 | 日商拓自達電線股份有限公司 | 導電性塗料及使用其之屏蔽封裝體之製造方法、以及具有屏蔽層之樹脂成形品之製造方法 |
TWI833059B (zh) * | 2020-04-30 | 2024-02-21 | 日商拓自達電線股份有限公司 | 導電性組成物及使用其之屏蔽封裝體之製造方法 |
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CN108884358A (zh) | 2018-11-23 |
CN108884358B (zh) | 2021-03-30 |
US11414554B2 (en) | 2022-08-16 |
TWI704196B (zh) | 2020-09-11 |
KR102355386B1 (ko) | 2022-01-24 |
US20200299524A1 (en) | 2020-09-24 |
WO2017170390A1 (ja) | 2017-10-05 |
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