On Wed, 18 Feb 1998, Edward Valentine wrote:

> TechNet -
>
> One of our customers is looking for an ink or masking material to
> obliterate or hide surface mount IC markings for security purposes.
> Currently, the IC markings are mechanically removed, but this is a slow
> process.  Screening or tamping an opaque ink seems like the best idea,
> but does anyone know who supplies an ink for this purpose? Any other
> ideas will be appreciated.  Thanks, Ed Valentine
> --
>
> ProTronics, Inc.
> 861 Old Knight Road
> Knightdale, NC 27545
> Phone: (919) 217-0007, Fax: (919) 217-0050
> http://www.protronics-inc.com
>
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>
Edward,
  I am not by any means an expert on this, but I understand that lasers
are used to mark parts, so why not use one to mark over the data
on the parts? I am not sure this would work, but it maybe a thought.
Just a simple thought from a simple mind......(:-}

Scott Decker
Senior PCB Designer

AKA: PadMasterson
E-Mail: [log in to unmask]

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