Variable graphic anti-counterfeiting method with laser holographic effect
A laser holographic and graphic technology, which is applied to stamps, instruments, identification devices, etc., can solve the problems of random numbers without anti-counterfeiting technology, telephone anti-counterfeiting system with low technical content, and limited laser image format or pattern, etc. The effect of variable data anti-counterfeiting
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[0029] Such as figure 1 As shown, the anti-counterfeiting method in this embodiment specifically includes the following steps:
[0030] Step 1, making a carrier with a laser holographic effect on one side, the carrier at least includes a base layer, a metal layer and a transparent photosensitive material layer from bottom to top, and the side where the transparent photosensitive material layer is bonded to the metal layer is a laser pressing surface;
[0031] In step 2, digital printing or digital printing is used to print transparent ink or colored ink on the same surface of the transparent photosensitive material layer, and the printed or printed graphic units are different. If linear printing or graphic unit printing is adopted in step 2, then after step 5, the packaging pull line of linearly arranged graphic unit will be obtained; if block printing or graphic unit printing is adopted in step 2, then step 5 Before, it was necessary to coat the adhesive layer on the other s...
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