If it is a sacrificial layer PECVD undoped TEOS can be deposited that thick Best regards, Glenn -----Original Message----- From: Rana, Mukti M [mailto:mrana@uta.edu] Sent: Thursday, May 22, 2008 12:43 PM To: mems-talk@memsnet.org Subject: [mems-talk] PSG Deposition Hi, We require to deposit 10.5 um thick PSG for using as a sacrificial layer by LPCVD. Can anyone tell me about the available foundry services for this? If you are a vendor please contact me directly. Thank you.