Manufacturing process of cryptical code
A production process and invisible code technology, which is applied in the printing process, the printing and printing of special varieties of printed matter, and can solve the problem that it is easy to be counterfeited, cannot play the role of counterfeiting and anti-collision, and one-dimensional and two-dimensional codes are easy to be used by others. Eye recognition and other issues to achieve the effect of high confidentiality
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[0015] The present invention will be further described below.
[0016] A kind of manufacture craft of stealth code of the present invention, comprises the following steps:
[0017] The stealth code generating step is to generate a dot-shaped invisible anti-counterfeiting identification code array from the anti-counterfeiting information that needs to be printed through the invisible code information conversion software preset in the computer;
[0018] Invisible code bottom printing step, coating and printing a layer of carbon-free ink on the substrate, the carbon-free ink uses red carbon-free ink, blue carbon-free ink and yellow carbon-free ink in a ratio of 1:1:1 configured and obtained after mixing;
[0019] In the step of invisible code printing, use invisible coding equipment to print the generated identification code array with nearly white carbon-free ink against the printing surface coated with carbon-free ink. The speed of printing is 50 meters per minute. The distan...
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