I think you will always have pin-hole issues with PECVD, but if your die are small you may endup with a few pin-hole free devices. For pin-hole free film you will need to switch to LPCVD. -Mike >>> schinaldo@tiscali.it 5/10/2004 5:50:07 AM >>> Hi, how can I get a DUAL-FREQUENCY, water-proof & low stress silicon nitride in P.E.C.V.D.? Cordially Aldo _______________________________________________ MEMS-talk@memsnet.org mailing list: to unsubscribe or change your list options, visit http://mail.mems-exchange.org/mailman/listinfo/mems-talk Hosted by the MEMS Exchange, providers of MEMS processing services. Visit us at http://www.memsnet.org/