Hi Reza, I am not trying to bond Pyrex to Si. I did that with anodic bonding. My question is how to interface this device with the outside world like tubing or capillaries, pumps, gas tanks and etc. Mehmet On Fri, Apr 10, 2009 at 11:31 AM, Reza Rashidiwrote: > Hi Mehmet, > > As CTE of Pyrex and Si are almost the same, the best way is that you use > Anodic bonding instead of an epoxy interface which has different CTE. > > Regards, > Reza -- Mehmet Aykol University of Southern California EE - Electrophysics Phone: (213) 821-4090