I am looking for Permanent non conductive ink (Black and white) to mark PCBs with. I am also looking for a method to apply the ink (stamp) in letters 0.08 high. I need to stamp the board in two locations the first is 9 characters long (Numeric) and the 2nd location is Alpha 1 character (rev). I have stamps I can use, but if there is a better way.... Any help will be appreciated. Mike