Re: Epoxying over chip numbers?

From: Rich Grise (null_at_example.net)
Date: 07/05/04 

Date: Mon, 05 Jul 2004 04:46:13 GMT

on Sunday 04 July 2004 01:21 am, John Muchow wrote:

>>acetone
>
> Isn't there a chance that the acetone could affect the bond between
> the IC legs and the case material, i.e., some of the acetone could
> work its way inside and cause damage? Or is the chance of that no
> greater than the possibility of damaging the chip with our Dremel?
>

I saw a couple of guys cleaning graffiti off a sign once with laquer
thinner, which is a lot like acetone. The sign had epoxy paint, and
it shrugged off the laquer thinner like rainwater. I think the epoxy
that chips are in wouldn't even notice acetone.

Fuming nitric acid, on the other hand... 

-- 
Cheers!
Rich

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