You can try to evap Cr-Cu shay -----Original Message----- From: mems-talk-bounces@memsnet.org [mailto:mems-talk-bounces@memsnet.org] On Behalf Of Jeehwan Kim Sent: Wednesday, September 06, 2006 8:40 PM To: mems-talk@memsnet.org Subject: [mems-talk] HF resistance materials that have conductivity Dear all, I am fabricating micro-porous Si through anodization from the back side of wafer using HF-ethanol solution. The front surface becomes very rough after anodization. I need to protect this surface by depositing or spin coating something. The condition for protection layer is conductive and resistant to HF solution. Please let me know if you have any idea about these protection materials.