Original poster: "Steve Conner" <steve.conner-at-optosci-dot-com> >I'm going to start checking the dumpsters behind the building here at the >laboratory where this work is being performed. I think that's Greg Leyh's project. His work with IGBTs on those klystron modulators indirectly inspired the current crop of big DRSSTCs. So what goes around comes around I guess :) Steve C.