发明授权
US08845826B2 Lead-free solder for vehicles and a vehicle-mounted electronic circuit using the solder
有权
用于车辆的无铅焊料和使用焊料的车载电子电路
- 专利标题: Lead-free solder for vehicles and a vehicle-mounted electronic circuit using the solder
- 专利标题(中): 用于车辆的无铅焊料和使用焊料的车载电子电路
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申请号: US12452610申请日: 2008-07-14
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公开(公告)号: US08845826B2公开(公告)日: 2014-09-30
- 发明人: Yuji Kawamata , Minoru Ueshima , Tomu Tamura , Kazuhiro Matsushita , Masashi Sakamoto
- 申请人: Yuji Kawamata , Minoru Ueshima , Tomu Tamura , Kazuhiro Matsushita , Masashi Sakamoto
- 申请人地址: JP Tokyo
- 专利权人: Senju Metal Industry Co., Ltd.
- 当前专利权人: Senju Metal Industry Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 代理商 Michael Tobias
- 优先权: JP2007-184782 20070713
- 国际申请: PCT/JP2008/062716 WO 20080714
- 国际公布: WO2009/011341 WO 20090122
- 主分类号: C22C13/02
- IPC分类号: C22C13/02 ; H05K3/34 ; B23K35/26 ; C22C13/00
摘要:
A Sn—Ag—Cu—Bi lead-free solder which can be used for soldering of vehicle-mounted electronic circuits and which has excellent resistance to heat cycles and mechanical strength is provided. The solder contains Ag: 2.8-4 mass %, Bi: 1.5-6 mass %, Cu: 0.8-1.2 mass %, and a remainder of Sn.
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