Why not choose lift off? ------Original Message------ From: Robert DitizioTo: General MEMS discussion ReplyTo: Robert Ditizio Re: [mems-talk] etch rate of Ag in XeF2 Jan 7, 2011 16:57 Tricia: Silver does not etch well in fluorine. The same is true for chlorine. The etch by-products are not very volatile at room temperature. Robert