发明名称 SOLDER ALLOYS
摘要 A solder comprising a bismuth matrix, between about 5-24% copper; and about 0.5-36% tin or antimony or zinc; having a solidus temperature of ≧271° C., a reflow temperature of ≦375° C., and at least one intermetallic composition precipitate comprising copper and at least one of tin, antimony and zinc substantially excluding bismuth formed within the solidus phase.
申请公布号 US2014361070(A1) 申请公布日期 2014.12.11
申请号 US201414296692 申请日期 2014.06.05
申请人 The Research Foundation for The State University of New York 发明人 Cho Junghyun
分类号 B23K35/26;B23K1/20 主分类号 B23K35/26
代理机构 代理人
主权项 1. A solder comprising: between about 5-24% copper; about 4-25% tin or antimony or zinc; and at least 50% by weight bismuth; having a solidus temperature of ≧271° C., a reflow temperature of ≦375° C., and at least one intermetallic composition precipitate comprising copper and at least one of tin, antimony and zinc substantially excluding bismuth formed within the solidus phase.
地址 Binghamton NY US