thanks Problem is solved for now. Exposure power is 17mJ/cm2 Sharma ________________________________ From: Tolga YELBOGATo: General MEMS discussion Sent: Wednesday, December 17, 2008 2:59:00 PM Subject: Re: [mems-talk] Az 5412 image reversal receipe Due to reflection from the Silicon dioxide layer, your features could be worst.If you decrease the first expose time and also flood expose time (Approximate FloodExposeTime = FirstExposeTime x 4 ) it should be done. But i have a question, your exposure power 120mJ/cm2. Is it very high for your process? .... Tolga YELBOGA