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

Lead-free solder for vehicles and a vehicle-mounted electronic circuit using the solder
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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