I don't really have a preference. I use an old UVS11E eprom eraser for eproms and just the old No.2 photoflood for the boards. UV is faster and doesn't generate any heat so there are advantages except for the cost. Rick "A.J. Tufgar" wrote: > Thanks Rick, > I think that's where I saw it. On his page he mentions > using long wavelength UV. I was going to build a short wavelength box > to do PCB's and EPROM's, would you recommend against that for PCB's? > > Thanks, > Aaron > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.