This is a good place to start: http://www.ee.byu.edu/cleanroom/wet_etch.phtml On Tue, Jun 3, 2008 at 11:59 AM, basar bolukbas <basarbolukbas at hotmail.com> wrote: > Hello to everyone. > > I am looking for a chemical etchants which attacks to Ag layer but doesnt > attack to Ni and Au layer in same time. >