KOH doesn't affect PDMS Shay -----Original Message----- From: mems-talk-bounces@memsnet.org [mailto:mems-talk-bounces@memsnet.org] On Behalf Of Anurag Tripathi Sent: Thursday, July 17, 2008 7:06 PM To: mems-talk@memsnet.org Subject: [mems-talk] Effect of EDP/KOH on PDMS and photopatternable silicone Hello, I wanted to know if anyone of you has an experience with performing EDP/KOH etch of a Si wafer with PDMS or photopatternable silicone WL 5150 patterned on the back side. Does the EDP/KOH etch damage the PDMS or the photopatternable silicone? Thank you very much, Anurag Tripathi