Hi Peter, Cathodic activation at 20mA/cm2 in 10%sulfuric. Keep wet. Plate gold. Regards, David Roberts (Wafer Plating Specialist) Prodigy Surface Tech Santa Clara, CA -----Original Message----- From: P.E.M. Kuijpers [mailto:p.e.m.kuijpers@philips.com] Sent: Wednesday, May 09, 2007 10:50 PM To: General MEMS discussion Subject: Re: [mems-talk] Au electroplating Hello Kris, We did also electroplating of Au (sulphite based)on Ni, but we observed a very bad adhesion of Au onto the Ni seedlayer. Did you observed this also or do you have a special pre-treatment to overcome this?