Hi Maji, by my experience using a hotplate is better than an oven. Technical sheets suggest to use an hotplate even if the process can be done in oven too. For example for SU8 pre-curing I have tried to use an oven, but with bad results, while I am getting good by hotplate. Giuseppe Tarabella PhD Student Science and Technology of Innovative Materials - University of Parma IMEM - Istituto dei Materiali per l' Elettronica ed il Magnetismo Parco Area delle Scienze 37/A 43100 Parma, Italy giuseppe.tarabella@imem.cnr.it http://www.imem.cnr.it/ On Mon, May 18, 2009 at 8:36 AM, DEBASHIS MAJIwrote: > Dear All, > > Thanks for the correction Roger. I was just wondering if the two process > had any curing difference of PDMS. Thanks for your comments Gareth.