I should have added that I was talking about the older SU-2000 series resist. The 3000 may behave differently. On Fri, Jan 28, 2011 at 11:47 AM, Mikael Evanderwrote: > So I'm not saying you are wrong, but I keep hearing this about the HMDS while MicroChem keeps stating that it does help and have released a document with measurements showing an almost 100% increase in adhesion for the 3000 formulation: http://www.microchem.com/products/pdf/SU-8-Adhesion-Results.pdf > > Is the general opinion that the data from Microchem can't be trusted, are there other studies showing the opposite or why do people seem to ignore this? > > best regards > > Mikael