Gold-plated and Cyanide-free Gold-plating Application Review

The history and application of gold-plating were briefly introduced in this paper.Gold-plating,as senior decorative coating and functional coating,has important application value whether in traditional products field or in modern manufacturing field due to its precious metal traits.Especially in the electronic manufacturing and micro manufacturing,gold-plating has important applications.For the sake of environmental safety,cyanide-free gold-plating has been developed and made some new progress in recent years,but it still need further improvement for replacing traditional gold-plating process completely.