I have seen this done with a Dremel tool with a tiny sanding drum.

Sherpa Doug

> -----Original Message-----
> From: Dale Botkin [mailto:dale@BOTKIN.ORG]
> Sent: Thursday, July 12, 2001 5:00 PM
> To: PICLIST@MITVMA.MIT.EDU
> 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...
>
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