works good also for me the flat sander called a time saver machine rotary flat belt with a moving tread mill belt.medium grit. in antistatic foam sheet.even a bead blaster works but just be sure all the pins of the pic are securly short circuited and grounded to the machine ground if you want the pic to survive. static shock will prominate. it has worked for me in the past but try one to be sure it will work for you.. tim ps..after trying this use coolant spray for intermittant circuits.... on ic chip.......this will raise much of the ######....had worked for me in the past......good luck...... -----Original Message----- From: Dale Botkin To: PICLIST@MITVMA.MIT.EDU Date: Thursday, July 12, 2001 4:40 PM Subject: Re: [OT] : removing numbers from chips >On Thu, 12 Jul 2001, David Dunn wrote: > >> anybody have suggestions for fast / easy / clean way of removing part >> numbers / id info from IC's, a couple hundred to do at a time >> >> for this project, i'll need to remove the numbers on a 40 pin DIP and >> an 8 pin DIP > >I have found the judicious application of medium-grit sandpaper to work >wonders. If the markings are printed rather than laser-etched (PICs I >have seen are all lasered) you might try a little MEK or some such solvent >to wipe off the markings, but sandpaper is probably faster, safer, etc. > >Dale >-- >A train stops at a train station. A bus stops at a bus station. >On my desk I have a workstation... > >-- >http://www.piclist.com hint: The list server can filter out subtopics >(like ads or off topics) for you. See http://www.piclist.com/#topics > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics