HCl can be used for wet etching. Regards, Keven Benyimin Hadad <benyimin at bgu.ac.il> Sent by: mems-talk-bounces at memsnet.org 09/28/2006 03:22 PM To General MEMS discussion <mems-talk at memsnet.org> Subject [mems-talk] Etching Ag Hello I want to know if someone know how to etch Ag , dry and wet .