Ultra high entropy material-based non-reversible spectral signature generation via quantum dots

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United States of America

PATENT NO 12143479
APP PUB NO 20230396424A1
SERIAL NO

18363853

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Abstract

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A physically unclonable function (PUF) device is provided, comprising an excitation source providing light for exciting quantum dots (QDs); a first layer of a material having contained therein a first random distribution of first QDs of a first type that are configured to generate a first color in response to being excited by the excitation source; a second layer of a second material having contained therein a second random distribution of second QDs of a second type that are configured to generate a second color, different from the first color, in response to being excited by the first excitation source, and a detector fixedly attached to one of the first and second layers and configured for detecting a pattern of light emitted by at least one of the first QDs and the second QDs and for providing an output indicative of the detected pattern.

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Patent Owner(s)

Patent OwnerAddress
RAYTHEON COMPANY870 WINTER STREET WALTHAM MA 02451

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Franklin, Stacey L Hawthorne, US 4 1
Spariosu, Kalin Thousand Oaks, US 36 152

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