Hello Sir(Mr. Sooje Cho- MEMAware), thank for replying. actually i want to form interdigitated comb drive using NI electroplating on wafer with high aspect ratio about 4:1. i am using the resist microchem's SU-8 (2010) for moulding. if u have any idea please suggest. i would be very thankful to u. thanks a lot. Ravindra Mukhiya PG student INDIA.