Dear Weng on, Maybe you can try to oxidize selectively the wafer in the points where you would like to make the bondings with a very thin layer of oxide, place the sample in an oxygen plasma for 1 min to activate the surface and then put together the two samples and apply heat. Regards, Sonia. -------- Sonia Garcia Blanco Department of EE University of Glasgow G3 8PP Glasgow On Tue, 28 Dec 1999, choong weng on wrote: > Dear All, > > I need to bond two wafers but selectively at certain > locations only. Please provide me any information > with regards to selective wafer-wafer bonding? Thank > you very much. > > Weng On > > > > ===== > Best Regards, > Yongan > __________________________________________________ > Do You Yahoo!? > Talk to your friends online with Yahoo! Messenger. > http://messenger.yahoo.com > >