Wegman, Hessler & Vanderburg
Optical anti-counterfeiting element and optical anti-counterfeiting product utilizing the same
Disclosed are an optical anti-counterfeiting element and an optical anti-counterfeiting product utilizing the same, the optical anti-counterfeiting element comprising: a substrate (2) having a first surface (31) and a second surface (32) that are opposed to each other, a sampling and synthesizing layer (21) on a first surface (31) of the substrate (2); and a micro-image layer (22) on a second surface (32) of the substrate (2), the micro-image layer (22) including a first region at least partially covered with a coating (221) and a second region comprising at least two sub-regions each at least partially covered with a color function layer (222, 223), the color function layers (222, 223) in respective sub-regions and the coating (221) in the first region have different color characteristics, respectively, and the micro-image layer (22) can be sampled and synthesized by the sampling and synthesizing layer (21) to form an image. Such optical anti-counterfeiting element and optical anti-counterfeiting product are easy to identify and difficult to counterfeit.
CHINA BANKNOTE PRINTING AND MINTING CORP. ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD.
B B B B B B B
B42D B42D B42D B42D B42D B42D B44F
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Chunhua Baoli Xinyi Zhongdong Jun
Hu Zhang Li Ye Zhu