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Polymer for Optical and Biometric Identity Authentication Systems
Pressure-Responsive Polymer Memorizes the Shape of 3D Objects, Changes Color When CompressedThis pressure-responsive polymer collapses when a small force is applied to it and quickly returns to its original shape when no longer compressed. The technology is useful for identity authentication systems. The Federal Bureau of Investigation (FBI) alone maintains...
Published: 6/27/2021   |   Inventor(s): Peng Jiang, Blayne Phillips, Khalid Askar, Yin Fang
Keywords(s): Anti-glaring coatings, diffractive optics, Fingerprinting, Macroporous, Photonic crystals, shape memory polymer, Template
Category(s): Technology Classifications > Engineering > Materials