首页> 外国专利> MODIFICATION OF SOLDER ALLOY COMPOSITIONS TO SUPPRESS INTERFACIAL VOID FORMATION IN SOLDER JOINTS

MODIFICATION OF SOLDER ALLOY COMPOSITIONS TO SUPPRESS INTERFACIAL VOID FORMATION IN SOLDER JOINTS

机译:改变焊料合金成分以抑制焊料接头中的界面空洞形成

摘要

A solder joint comprising a solder capture pad on a substrate having a circuit; and a lead containing or a lead free solder selected from the group comprising Sn—Ag—Cu solder, Sn—Cu solder and Sn—Ag solder adhered to the solder capture pad; the solder selected from the group comprising between 0.1 and 6.0 percent by weight Zn. A solder joint, comprising a solder capture pad on a substrate having a circuit; and a Sn—Cu lead free solder adhered to the solder capture pad, the solder comprising between 0.1 and 6.0% by weight Zn. Formation of voids at an interface between the solder and the solder capture pad is suppressed. A method for forming solder joints using the solders.
机译:一种焊点,包括在具有电路的基板上的焊锡捕获垫;含锡或无铅的焊料,粘附在焊料捕获垫上,选自锡-银-铜焊料,锡-铜焊料和锡-银焊料。选自0.1-6.0重量%的Zn的焊料。一种焊点,包括在具有电路的基板上的焊锡捕获垫;锡-铜无铅焊料附着在焊料捕获垫上,该焊料包含0.1-6.0重量%的Zn。抑制了在焊料和焊料捕获垫之间的界面处形成空隙。一种使用焊料形成焊点的方法。

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