At 22.34 27/02/2004 +0100, you wrote:
>Hello,
>I saw some hybrid circuits drowned into a black, very hard substance,
>I guess to hide their "secrets".
>
>Now I need to do something similar.. I have to borrow some circuits to

Correction: I meant "lend", not "borrow".. of course.


>a customer, but I don't want him to reverse engineer them. Not only I'm
>gonna cancel signs/labels from the ICs, but I also (for some added
>security) I would like to drown most of it into this black, very hard,
>substance. I guess that if he tries to remove it, the circuit board will
>be damaged. The circuits will return to me, so I'll know if he tried to
>be too smart.
>
>Could anybody give me some pointers / directions, please? For a good
>start, I would need to know the name of this substance (to then try to
>translate it into my own country language).
>
>Thanks!
>Andrea

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