DataVXAdvanced Materials TechnologiesPaper
journal article·2024-12Open access

Iris‐Inspired Microparticles with a Two‐Factor Authentication Security Feature for Wet‐Phase Enhanced Anti‐Counterfeiting Strategies

Cheolheon Park, Minhyuk Lee, Hyeli Kim, Daewon Lee, Jangho Choi, Yeongjae Choi, Wook Park

Advanced Materials Technologies· Volume 9· Issue 23
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Source abstract

Abstract

Abstract This article presents an iris‐mimicking polymeric microparticle with randomly generated silica film cracks to be utilized as a wet‐phase micro security taggant. The microparticles are designed to replicate the capillary patterns in the human iris, providing high data capacity and stability, making them ideal for authentication. Furthermore, the microparticles integrate a QR code within the pupillary zone of the iris, enabling pupillary authentication to enhance two‐factor identification and elevate overall security levels an unprecedented feature absent in conventional iris recognition systems. The resulting artificial iris‐mimicking microparticles have high coding efficiency and unique characteristics and can be authenticated in the wet phase, making them suitable for use as micro security taggants.
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Research context

Polymers

OpenAlex topics: Physical Unclonable Functions (PUFs) and Hardware Security · User Authentication and Security Systems · Advanced Malware Detection Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Bio‐MAX Institute Seoul National University 1 Gwanak‐ro Gwanak‐gu Seoul 08826 Republic of Korea

Department of Electronic Engineering Kyung Hee University Deogyeong‐daero, Giheung‐gu Yongin‐si Gyeonggi‐do 17104 Republic of Korea

Department of Electronics Engineering Myongji University 116, Myongji‐ro Yongin‐si 17058 Republic of Korea

School of Materials Science and Engineering Gwangju Institute of Science and Technology (GIST) Gwangju 61105 Republic of Korea

Institute for Wearable Convergence Electronics Kyung Hee University Yongin 17104 Republic of Korea

Funding

National Research Foundation of Korea

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