The Eraser Company at www.eraser.com, they make 'eraser things' and claim to strip wires with heat generated by friction rather than by abrasion, without damaging the wire in any way. They may have a tool able to fit a Dremel Mototool. It would do what you need though not with the surgical precision your (0.120" x 0.100") implies. Paul >We used a Mototool with a rubber disk (you can find it in Dentist store). >The rubber disk must be soft enough to avoid to remove the copper. You will >need a skilled operator to do this. > >Mauricio > > >We need to remove a small area (0.120" x 0.100") of soldermask from the top > >layer, without removing any of the copper underneath. > > > >Ivan Barrios END ------------- [log in to unmask] -- ICQ# 69171615 ------------- END "The Web brings people together, because, no matter what kind of a twisted sexual mutant you happen to be, you've got millions of pals out there. Type in - 'Find people that have sex with goats that are on fire', and the computer will say, - 'Specify type of goat.'" Richard Jeni ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################