Invention Grant
- Patent Title: Multilayered structures and uses thereof in security markings
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Application No.: US17543272Application Date: 2021-12-06
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Publication No.: US11351710B2Publication Date: 2022-06-07
- Inventor: Eric Baer , Andy Olah , Zhenpeng Li , Michael Hore , Cong Zhang
- Applicant: CASE WESTERN RESERVE UNIVERSITY
- Applicant Address: US OH Cleveland
- Assignee: CASE WESTERN RESERVE UNIVERSITY
- Current Assignee: CASE WESTERN RESERVE UNIVERSITY
- Current Assignee Address: US OH Cleveland
- Agency: Tarolli, Sundheim, Covell & Tummino LLP
- Main IPC: G02B6/122
- IPC: G02B6/122 ; B29C48/00 ; G02B5/18 ; B42D25/45 ; B42D25/378 ; B29C48/08 ; B29C48/21 ; G02B1/04 ; B29L7/00 ; B42D25/387 ; B42D25/382 ; B42D25/328 ; B42D25/324 ; B42D25/21 ; B29K105/00
Abstract:
A security marking has a physically unclonable function (PUF) wherein the PUF includes a disordered multilayer photonic crystal structure having an electromagnetic transmission and/or reflection spectrum and/or spectra upon receipt of electromagnetic radiation within a photonic bandgap region of the structure that is unique to the structure.
Public/Granted literature
- US20220088846A1 MULTILAYERED STRUCTURES AND USES THEREOF IN SECURITY MARKINGS Public/Granted day:2022-03-24
Information query
