Invention Grant
- Patent Title: Multilayered structures and uses thereof in security markings
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Application No.: US16441982Application Date: 2019-06-14
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Publication No.: US11194094B2Publication Date: 2021-12-07
- 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 ; H04L9/32 ; G02B6/02 ; H01S5/11
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.
Information query
