That depends.  If you're going to evaporate water the surface should be
hydrophilic.  In this case oxidizing should do the trick.

Roger Shile

-----Original Message-----
From: mems-talk-bounces@memsnet.org
[mailto:mems-talk-bounces@memsnet.org] On Behalf Of Moshe
Sent: Wednesday, April 30, 2008 10:14 PM
To: mems-talk@memsnet.org
Subject: [mems-talk] Gold evaporation coating on silicon.

Hello

I want to coat silicon with evaporation coating, and
to assurance that the adhesion between the two
materials  will be optimal.
What will be  the optimal treatment to achieve
adhesion ?