Visible Frame QR-Coded Microparticles Integrated with an Invisible Layer for Unlocking Hidden Data via Fluorescence
Mingyeom Jeong,
Cheolheon Park,
Kibeom Kim
et al.
Abstract:We present an advanced anticounterfeiting strategy utilizing quick-response (QR)-coded microparticles to address the challenges of static data content and ease of replication associated with traditional QR codes. This study integrates openly accessible frame QR codes with hidden content QR codes, visible only under fluorescence microscopy, thereby enhancing security measures against counterfeiting. Microparticles were fabricated using a combination of polyurethane acrylate resin and 2,2-dimethoxy-2phenylacetop… Show more
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