You can also bake on hotplate.Its mentined some where, during the soft baking cover the sample with petridish so that solvent will vapourised uniformly.Then the problem of uneven heating during softbaking can be prevented.This will reduce the balling up of SU 8. Regards Sajeesh _______________________________________________ Hosted by the MEMS and Nanotechnology Exchange, the country's leading provider of MEMS and Nanotechnology design and fabrication services. Visit us at http://www.mems-exchange.org Want to advertise to this community? See http://www.memsnet.org To unsubscribe: http://mail.mems-exchange.org/mailman/listinfo/mems-talk