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Old 9th Apr 2019, 9:08 am   #13
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 22,801
Default Re: Shock detecting mechanisms?

Functional chips can be de-encapsulated and exercised while the patterns of voltage on their upper surface are watched with an electron microscope. Patterns of fusible links can be photographed.

On the whole, such analysis might be interesting, but it's often easier to design your own, write your own software and probably make a better job of it.

A lot of these firms who erase device markings are really trying to prevent repair (Boo! Hiss!) Their competitors won't be slowed down much. So when you see that the people they are trying to hurt are their customers, going definct seems like justice.

David
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