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April 2002

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Subject:
From:
"Mcmaster, Michael" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 26 Apr 2002 08:58:34 -0700
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Not chemistry, but light, specifically a laser, would be the best approach
to doing this, especially if the unwanted nomen ink is over copper.

> ----------
> From:         Furrow, Robert Gordon (Bob)[SMTP:[log in to unmask]]
> Reply To:     TechNet E-Mail Forum.;Furrow, Robert Gordon (Bob)
> Sent:         Monday, April 22, 2002 12:44 PM
> To:   [log in to unmask]
> Subject:      [TN] Removal of Cured Nomenclature Ink
>
> Hi TechNet,
>
> I have been asked what chemical(s) would be required to remove cured
> nomenclature ink (also known as silkscreen) from a bare board without
> damaging the board itself. I am assuming it is an epoxy ink, but I do not
> know the exact formulation. Any input is appreciated. I should know the
> exact formulation of the applied nomenclature ink tomorrow, but thought
> that
> maybe there is a generic answer.
>
> Thanks,
> Robert Furrow
> Printed Wiring Board Engineer
> Supply Chain Networks
> Lucent Technologies
> 978-960-3224    [log in to unmask]
>
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