Hayashi Pure Chemical Ind., Ltd.


Product Description

Film Etchant

Standard products of Au Etchant & Au Seed Layer Etchant Pure Etch AU series

Excellent etching of Au films
A seed layer etchant for etching Au seed layers is also available, offering minimal damage to Au-plating films.

Keywords: wet etching, gold, plating, seed layer, selective etchant


  • Processing at low temperature in a short time
  • Excellent uniformity of etching rate and etching profile
  • Suitable for forming fine bump and fine pattern process