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Old 09-05-2005, 02:53 PM
Grant Stockly Grant Stockly is offline
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Join Date: Jan 2005
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Article: 77951
Subject: Re: Microscope examination of a PLD
From: Captain Rick <ME@127.0.0.1>
Date: Sun, 23 Jan 2005 17:16:55 +0000
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On 23 Jan 2005 02:26:32 -0800, "logjam" <grant@cmosxray.com> wrote:

>Is there a substance that will break down the IC potting material but
>not the electronics? I noticed that the back of the silicon was coated
>with metal. Next I might try comming in from the back, carving around
>the back plane, and lifting the guy out.

Try searching Google - fuming nitric acid is commonly used I believe.
Be careful with it though...

<Editor note, look in the general->electronics section for "How to decap an IC">
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