KR20150126845A - 파워 모듈용 기판의 제조 방법 - Google Patents
파워 모듈용 기판의 제조 방법 Download PDFInfo
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- KR20150126845A KR20150126845A KR1020157024050A KR20157024050A KR20150126845A KR 20150126845 A KR20150126845 A KR 20150126845A KR 1020157024050 A KR1020157024050 A KR 1020157024050A KR 20157024050 A KR20157024050 A KR 20157024050A KR 20150126845 A KR20150126845 A KR 20150126845A
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Abstract
Description
도 2 는 도 1 에 나타내는 상태로부터 세라믹스판에 구리 회로판을 적층시킨 후의 상태를 모식적으로 나타낸 단면도이다.
도 3 은 도 2 에 나타내는 바와 같이 적층된 세라믹스판과 구리 회로판을 복수 세트 겹쳐 쌓아 접합시키고 있는 공정을 모식적으로 나타낸 단면도이다.
도 4 는 도 3 에 나타내는 접합 공정 후에 세라믹스판의 반대면에 방열판을 적층시키는 도중의 상태를 모식적으로 나타낸 단면도이다.
도 5 는 도 4 에 나타내는 상태로부터 방열판을 세라믹스판에 접합시킨 후의 상태를 모식적으로 나타내는 단면도이다.
도 6 은 제 1 실시형태의 방법에 의해 얻어진 파워 모듈용 기판의 단면도이다.
도 7 은 본 발명의 제 2 실시형태의 방법에 있어서, 구리 회로판을 브릿지부에서 연결한 복수의 회로 요소에 의해 구성한 예를 나타내는 구리 회로판의 평면도이다.
도 8 은 도 7 에 있어서의 구리 회로판을 세라믹스판 상의 접합재층에 적층시키고 있는 도중의 상태를 모식적으로 나타내는 일부를 단면으로 한 정면도이다.
도 9 는 본 발명의 제 3 실시형태의 방법에 있어서, 구리 회로판에 형성된 위치 결정편을 세라믹스판에 걸어 맞춰 적층시킨 상태를 모식적으로 나타내는 단면도이다.
도 10 은 종래예의 접합면의 초음파 측정 화상이다.
도 11 은 본 발명의 실시예에서 가고정재를 구리 회로판에 점상으로 부착한 경우의 접합면의 초음파 측정 화상이다.
도 12 는 본 발명의 실시예에서 가고정재를 구리 회로판의 전체면에 부착한 경우의 접합면의 초음파 측정 화상이다.
도 13 은 각종 가고정재를 사용하여 접합시켰을 때의 평가 결과를 나타내는 표이다.
20 : 세라믹스 기판
21 : 세라믹스판
30 : 구리 회로판
35 : 구리 회로판
35a : 회로 요소
35b : 브릿지부
40 : 방열판
50 : 히트 싱크
60 : 전자 부품
61 : 땜납층
71 : 접합재층
72 : 가고정재
80 : 덧댐판
90 : 홈
100 : 위치 결정 지그
101 : 오목부
102 : 가이드벽
Claims (4)
- 복수의 세라믹스 기판을 나열하여 형성할 수 있는 면적의 세라믹스판에 복수의 구리 회로판을 서로 간격을 두고 접합시킨 후, 이들 구리 회로판 사이에서 상기 세라믹스판을 분할하여 복수의 파워 모듈용 기판을 제조하는 방법으로서,
상기 세라믹스판 또는 상기 구리 회로판 중 어느 일방에 상기 구리 회로판의 외형과 동일 형상의 활성 금속 납재로 이루어지는 접합재층을 형성함과 함께, 타방에 폴리에틸렌글리콜을 주성분으로 하는 가고정재를 도포해 두고, 그 가고정재에 의해 상기 세라믹스판 상에 상기 접합재층과 상기 구리 회로판을 위치 맞춤하여 적층시킨 상태로 가고정시키는 적층 공정과,
그 적층체를 적층 방향으로 가압하며 가열함으로써, 상기 세라믹스판과 상기 구리 회로판을 접합시키는 접합 공정을 갖는 것을 특징으로 하는 파워 모듈용 기판의 제조 방법. - 제 1 항에 있어서,
상기 접합재층이 상기 세라믹스판의 표면에 페이스트를 도포하여 형성된 것이고, 상기 적층 공정은, 상기 가고정재를 상기 구리 회로판에 도포하여 상기 세라믹스판 상의 각 접합재층에 각각 적층시키는 것을 특징으로 하는 파워 모듈용 기판의 제조 방법. - 제 1 항에 있어서,
상기 구리 회로판 중 적어도 일부는, 복수의 회로 요소를 브릿지부에 의해 접속시켜 이루어지고, 상기 브릿지부의 이면은 상기 회로 요소의 이면에 대하여 오목부가 되도록 형성되어 있는 것을 특징으로 하는 파워 모듈용 기판의 제조 방법. - 제 2 항에 있어서,
상기 구리 회로판 중 적어도 일부는, 복수의 회로 요소를 브릿지부에 의해 접속시켜 이루어지고, 상기 브릿지부의 이면은 상기 회로 요소의 이면에 대하여 오목부가 되도록 형성되어 있는 것을 특징으로 하는 파워 모듈용 기판의 제조 방법.
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| JPJP-P-2013-045999 | 2013-03-07 | ||
| JP2013045999A JP5664679B2 (ja) | 2013-03-07 | 2013-03-07 | パワーモジュール用基板の製造方法 |
| PCT/JP2014/055088 WO2014136683A1 (ja) | 2013-03-07 | 2014-02-28 | パワーモジュール用基板の製造方法 |
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| KR20150126845A true KR20150126845A (ko) | 2015-11-13 |
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| US (1) | US9579739B2 (ko) |
| EP (1) | EP2966679B1 (ko) |
| JP (1) | JP5664679B2 (ko) |
| KR (1) | KR102162780B1 (ko) |
| CN (1) | CN104995730B (ko) |
| TW (1) | TWI601465B (ko) |
| WO (1) | WO2014136683A1 (ko) |
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| KR20180133474A (ko) * | 2016-06-10 | 2018-12-14 | 다나카 기킨조쿠 고교 가부시키가이샤 | 세라믹스 회로 기판, 및 세라믹스 회로 기판의 제조 방법 |
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| JP6111764B2 (ja) * | 2013-03-18 | 2017-04-12 | 三菱マテリアル株式会社 | パワーモジュール用基板の製造方法 |
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| EP3154079A1 (de) | 2015-10-08 | 2017-04-12 | Heraeus Deutschland GmbH & Co. KG | Verfahren zum verbinden einer substratanordnung mit einem elektronikbauteil mit verwendung eines auf eine kontaktierungsmaterialschicht aufgebrachten vorfixiermittels, entsprechende substratanordnung und verfahren zu ihrem herstellen |
| JPWO2018012006A1 (ja) * | 2016-07-12 | 2019-05-16 | 日立化成株式会社 | 回路基板の製造方法及び回路基板 |
| JP6682403B2 (ja) * | 2016-08-31 | 2020-04-15 | 昭和電工株式会社 | 絶縁基板の製造方法及び絶縁基板 |
| JP6801501B2 (ja) * | 2017-02-23 | 2020-12-16 | 三菱マテリアル株式会社 | 絶縁回路基板の製造方法 |
| JP6790915B2 (ja) * | 2017-03-01 | 2020-11-25 | 三菱マテリアル株式会社 | 絶縁回路基板の製造方法 |
| JP6717245B2 (ja) | 2017-03-17 | 2020-07-01 | 三菱マテリアル株式会社 | 接合体の製造方法、絶縁回路基板の製造方法、及び、ヒートシンク付き絶縁回路基板の製造方法 |
| DE102017114893B4 (de) * | 2017-07-04 | 2023-11-23 | Rogers Germany Gmbh | Lötmaterial zum Aktivlöten und Verfahren zum Aktivlöten |
| US11278978B2 (en) * | 2019-06-21 | 2022-03-22 | International Business Machines Corporation | Pattern bonded finned cold plate |
| WO2023100917A1 (ja) | 2021-11-30 | 2023-06-08 | 三菱マテリアル株式会社 | 接合用金属ペースト、および、接合体の製造方法、絶縁回路基板の製造方法 |
| WO2023100939A1 (ja) | 2021-11-30 | 2023-06-08 | 三菱マテリアル株式会社 | 仮止め材、および、接合体の製造方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| US9579739B2 (en) | 2017-02-28 |
| CN104995730B (zh) | 2018-08-10 |
| CN104995730A (zh) | 2015-10-21 |
| TW201509253A (zh) | 2015-03-01 |
| TWI601465B (zh) | 2017-10-01 |
| WO2014136683A1 (ja) | 2014-09-12 |
| JP5664679B2 (ja) | 2015-02-04 |
| KR102162780B1 (ko) | 2020-10-07 |
| JP2014175425A (ja) | 2014-09-22 |
| US20160001388A1 (en) | 2016-01-07 |
| EP2966679A1 (en) | 2016-01-13 |
| EP2966679B1 (en) | 2019-11-27 |
| EP2966679A4 (en) | 2016-12-07 |
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