Gold alloy wire for wedge bonding and use of such wire in wedge bonding

摘要

Ca: A gold alloy wire consisting of 1 to 100 parts by weight and the balance of gold and its unavoidable impurities, wherein the gold alloy wire is for wedge bonding having a tensile strength of 33.0 kg / mm ² or more and an elongation of 1 to 3%. Gold alloy wire, The gold alloy wire further has at least 99.9% gold purity or further comprises at least one element selected from the group consisting of 0.2 to 5.0% by weight of Pd, Ag and Pt.