发明授权
- 专利标题: Ultraviolet curable conductive resin
- 专利标题(中): 紫外线固化型导电树脂
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申请号: US235089申请日: 1988-08-23
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公开(公告)号: US4999136A公开(公告)日: 1991-03-12
- 发明人: Wei-Fang A. Su , Anthony P. Barrett , Luciano C. Scala , Karl F. Schoch, Jr.
- 申请人: Wei-Fang A. Su , Anthony P. Barrett , Luciano C. Scala , Karl F. Schoch, Jr.
- 申请人地址: PA Pittsburgh
- 专利权人: Westinghouse Electric Corp.
- 当前专利权人: Westinghouse Electric Corp.
- 当前专利权人地址: PA Pittsburgh
- 主分类号: C08F299/02
- IPC分类号: C08F299/02 ; H01B1/22 ; H05K1/18 ; H05K3/30 ; H05K3/32
摘要:
A UV curable electrically conductive adhesive has been developed with low resistivity, adequate lap shear strength, good thermal stability, and very stable conductivity at high temperatures of about 100.degree. C. and high humidity. The adhesive may be applied by silk screen printing and cured by UV in about 8 seconds. The adhesive may also be used as a replacement of solder in automated surface mount technology for electronic circuit fabrication. The adhesive is a mixture of (A) a blend of an acrylate epoxy and a urethane, a copolymer of an acrylate epoxy and a urethane, or mixtures thereof; (B) a polyfunctional acrylate monomer; (C) a photoinitiator, and (D) a conductive filler. Optionally, adhesion promoters and flow control agents may be used.
公开/授权文献
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