hi, Usually, a release layer like FDTS Self assembled monolayer would be more appropriate(10µl and SAM formation for 30mins will work) and 50° over night will work after that, I did 70° overnight like this, yes it worked and is very uniform. All the best. Regards, Righeira On Thu, May 26, 2011 at 4:48 PM,wrote: > 50 C overnight is way too long. 65 for an hour is usually the time. > Or RT if you leave it over night. > > Hope this helps. > > Petru