Micromagnet PUF readout using a quantum diamond microscope

Kehayias, Pauli Mark; Bussmann, Ezra; Lu, Tzu-Ming; Mounce, Andrew

Micromagnet PUF readout using a quantum diamond microscope

Patent · Tue Oct 24 00:00:00 EDT 2023

OSTI ID:2293762

Kehayias, Pauli Mark; Bussmann, Ezra; Lu, Tzu-Ming; Mounce, Andrew

A physically unclonable function (PUF) and a method of reading it are provided. The PUF is constituted by a microfabricated array of randomly polarized micromagnets disposed on a substrate. The PUF can be read by creating a magnetization map of the PUF from the signal output of a quantum diamond microscope (QDM) and converting the magnetization map to a numerical sequence.

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Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: NA0003525

Assignee:: National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)

Patent Number(s):: 11,796,612

Application Number:: 17/494,056

OSTI ID:: 2293762

Country of Publication:: United States

Language:: English

References (17)

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