SYSTEM AND METHOD FOR FORMING AND AUTHENTICATING AN INTEGRATED CIRCUIT
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United States of America Patent
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Aug 5, 2016
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Aug 5, 2016
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Abstract
A system and method of forming an authenticatable integrated circuit comprising altering a material property of a semiconductor layer of the integrated circuit such that the semiconductor layer has physically unclonable functions (PUFs). The semiconductor layer may be subjected to ion implantation to form amorphous regions including the PUFs. The PUFs emit an electromagnetic signature having frequencies in the terahertz range when the PUFs are stimulated or interrogated by an authentication apparatus. The electromagnetic signature corresponds to identifying information of the integrated circuit. The integrated circuit can thus be authenticated without altering the electronic elements of the circuit and without the presence of discernable or discoverable identifying features.
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