Hi I am usually put 5 nm of Ni onto 50 nm of Au using plating. I am not doing any treatment , I am just changing fast ( 10 sec) the electro bath and is workink prety well On 3/12/07, P.E.M. Kuijperswrote: > Hi all, > > I want to electroplate a 3µm thick Au layer onto a 10µm thick Ni layer. > This Ni layer was also electroplated. > What kind of pre-treatment should I use, to obtain a good adhesion between > the Au and Ni layer??