Hello Meni, see the answer I gave to Tamar. Basically, I abhor mechanical chucks, though *I guess* they could maybe be implemented so as not to be terrible. I don't recommend. By the way, which DRIE equipment are your possible candidates? m On Sun, Jun 5, 2011 at 1:55 PM, Kabla Meniwrote: > Hi, > > Based on your experience, which chuck is better for DRIE - electrostatic or mechanical? > Could you please elaborate on pro's and con's from your personal experience. > > Regards, > Meni