What is the technical principle of micro-nano anti-counterfeiting?
Properties of Micro-nano MaterialsUnique Optical Properties: Some micro-nano materials possess special optical characteristics, such as fluorescence, phosphorescence, scattering, and absorption. For instance, certain fluorescent nanoparticles will emit fluorescence of unique colors when excited by light of specific wavelengths, and different types of fluorescent nanoparticles have distinct luminescent properties. By adding these fluorescent nanoparticles to anti-counterfeiting […]
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