- 专利标题: BONDING MATERIAL AND BONDING METHOD USING SAME
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申请号: EP15838051申请日: 2015-08-31
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公开(公告)号: EP3189914A4公开(公告)日: 2018-06-06
- 发明人: ENDOH KEIICHI , MIYOSHI HIROMASA , MOTOMURA KIMIKAZU , KURITA SATORU
- 申请人: DOWA ELECTRONICS MATERIALS CO
- 专利权人: DOWA ELECTRONICS MATERIALS CO
- 当前专利权人: DOWA ELECTRONICS MATERIALS CO
- 优先权: JP2014176724 2014-09-01
- 主分类号: B22F1/00
- IPC分类号: B22F1/00 ; B22F7/08 ; B22F9/00 ; B22F9/24 ; B23K20/00 ; C22C9/00 ; H01L21/52 ; H05K3/32
摘要:
There is provided an inexpensive bonding material, which can be easily printed on articles to be bonded to each other and which can suppress the generation of voids in the bonded portions of the articles to be bonded to each other, and a bonding method using the same. In a bonding material of a copper paste which contains a copper powder containing 0.3 % by weight or less of carbon and having an average particle diameter of 0.1 to 1 µ m, and an alcohol solvent, such as a monoalcohol, a diol, a triol or a terpene alcohol, the content of the copper powder is in the range of from 80 % by weight to 95 % by weight, and the content of the alcohol solvent is in the range of from 5 % by weight to 20 % by weight.
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