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IMPROVEMENTS RELATING TO THE AUTHENTICATION OF PHYSICAL ENTITIES

Research output: Patent

Published
Patent numberUS2018018846 (A1) AU2016211063 (A1) CN107810517 (A) EP3251103 (A1) GB2538181 (A) GB2538181 (B)
IPCG06K19/10; G06K7/14; G06Q30/00; G07D7/12; B42D25/29
Priority date27/01/15
<mark>Original language</mark>English

Abstract

An authentication device (20) comprises one or more flakes of a substantially two-dimensional material (14). The one or more flakes of the substantially two-dimensional material (14) have an operative area configured to emit, by non-resonant photoluminescence, electromagnetic radiation with a property that varies with position in the operative area.