Greetings, I would spin coat a Polyimide film using a releasing agent. I believe this to be the only way I know to get below 100 nm Regards walter www.elume.com -----Original Message----- From: Huisheng jiao [mailto:huisheng.jiao@gmail.com] Sent: Monday, August 01, 2005 8:40 AM To: mems-talk@memsnet.org Subject: [mems-talk] thin polyimide film Hi, I am looking for ultrathin polyimide film for my research. the thickness is better below 100nm. does anybody have any idea where to get a small piece? is it commercially available? Many thanks, Huisheng JIAO huisheng.jiao@gmail.com