I was under the impression that AP circuits used milling equipment, though (at least in the cheap proto 1 service). IS theirs just SO much more expensive that it overcomes the problems? Sean At 02:58 PM 3/28/00 -0500, you wrote: >Limitation was it wouldn't do fine traces (under 20 mil) accurately. There was >always the whisker of trace from the one side of the cutter. > >Boards which are not perfectly flat would be cut unevenly. Made for REAL >problems. > >AP Circuits turned out to be a better deal in the long run. > >If you're looking at spending that much money, get a Kepro system instead. > >Andy > | | Sean Breheny | Amateur Radio Callsign: KA3YXM | Electrical Engineering Student \--------------=---------------- Save lives, please look at http://www.all.org Personal page: http://www.people.cornell.edu/pages/shb7 mailto:shb7@cornell.edu ICQ #: 3329174