I don't thick 10.5um PSG is achievable and it may crack due to the residual stress. In our lab, the maximum thickness is 3um. ÔÚÄúµÄÀ´ÐÅÖÐÔø¾Ìáµ½: >From: "Rana, Mukti M">To: >Subject: [mems-talk] PSG Deposition >Date:Thu, 22 May 2008 14:43:18 -0500 > >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.