Volpe and Koenig, P.C.
Optical anti-counterfeiting element, product using same and preparation method therefor
An optical anti-counterfeiting element comprises a base material (11). The base material (11) has a first surface and a second surface which are opposite to each other. The first surface is covered thereon with a micro-sampling tool (12); one part of the second surface is a micro image-text formed by a micro relief structure (13), and the other part thereof is a flat structure which does not form a micro image-text and/or a micro relief structure (14) which is different from the micro relief structure forming the micro image-text. The flat structure which does not form the micro image-text and the micro relief structure (14) different from the micro relief structure forming the micro image-text are homomorphically covered thereon with a first plating (15), the micro relief structure (13) forming the micro image-text is homomorphically covered thereon with a second plating (16), and the micro image-text is sampled by the micro sampling tool (12). Also provided is an anti-counterfeiting product using the optical anti-counterfeiting element and a preparation method therefor.
ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD CHINA BANKNOTE PRINTING AND MINTING CORP.
G B B G G G B B B B B
G07D B42D B42D G02B G07D G02B B42D B42D B42D B42D B42D
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Jun Weiwei Xinyi Kai Xiaoli Xin
Zhu Zhang Li Sun Wang Qu