Semiconductor package security features using...

Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – Smart card package

Reexamination Certificate

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Details

C359S288000, C345S106000, C430S010000

Reexamination Certificate

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07154170

ABSTRACT:
Numerous embodiments of an apparatus and method for generating an identification feature are described. In one embodiment of the present invention, portions of an identification character printed with thermochromatic ink are distributed within a three-dimensional matrix of a multi-layer patch. The multi-layer patch may be disposed above a substrate.

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