I was one of the person who asked this question. From what I was told you can't crosslink PMMA by using UV. If you find something on the contrary please let me know Thanks Fabio -- Fabio Altomare Post Doctoral Research Associate Physics Department Duke University On Thu, 1 Dec 2005 cyyfq@bu.edu wrote: > Hello all: > > I want to crosslink PMMA and I know high dose e-beam exposure can do > this. > but what I want is to cross link large area of PMMA which can not be > done by e-beam. > > can UV work? somebody asked this before but I could not find the > answer. > > what should be the condition? > > any suggestions are welcome. > > best > > Yu Chen >