We can have the desired thickness, but after the developping(the developping time is longer than 10mins), the 10um feature is gone and other bigger feature get little distorted. I believe there are something wrong with the baking and exposure, but not very clear which one need to be fine-adjusted or corrected. Any comments Michael -----Original Message----- From: mems-talk-bounces@memsnet.org [mailto:mems-talk-bounces@memsnet.org] On Behalf Of 李加东 Sent: 2008年6月3日 17:10 To: mems-talk@memsnet.org Subject: Re: [mems-talk] 20um features using AZP4620 you can use spray coating