> and the drill is a plated one. it would be a pretty specialist PCB process if you had direct control over which holes are plated with most processes if a hole is in a copper area it will stay plated and if its in a non copper area the plating will be etched away. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist