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Secondary screening printing anti-counterfeiting method

A technology of printing machine and screen line number, which is applied in the anti-counterfeiting field of secondary screen printing, which can solve the problems of high anti-counterfeiting cost, easy to be copied, and unsatisfactory anti-counterfeiting effect, and achieve the effect of low anti-counterfeiting cost and good anti-counterfeiting effect

Active Publication Date: 2014-04-16
HANGZHOU DAILY PRESS GRP SHENGYUAN PRINTING CO LTD
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AI Technical Summary

Problems solved by technology

[0003] At present, anti-counterfeiting technologies commonly used in the printing industry include laser holography, anti-counterfeiting ink, anti-counterfeiting paper, watermarks, magnetic cards, two-dimensional barcodes, etc. These anti-counterfeiting technologies generally have the problem of high anti-counterfeiting costs or unsatisfactory anti-counterfeiting effects and are easy to be copied.

Method used

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  • Secondary screening printing anti-counterfeiting method

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with accompanying drawing:

[0029] Such as figure 1 As shown, the second screen printing anti-counterfeiting method specifically includes the following steps:

[0030] Step 1. The establishment of the information database of anti-counterfeiting patterns for secondary screen printing

[0031] 1-1. According to the characteristics of printing paper, ink characteristics, printing machine working conditions and product characteristics of the printing enterprise, determine the screening parameters during pre-press CTP plate making. The screening parameters include dot type, screen line number and dot angle;

[0032] 1-2. Design the second screen printing anti-counterfeiting special test standard plate

[0033] Design special color blocks with various CMYK dot percentages to form special anti-counterfeiting test plates for secondary screen printing; the CMYK dot percentages include 20-level dots from 5%, ...

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Abstract

The invention provides a secondary screening printing anti-counterfeiting method. The method specifically includes: firstly, establishing a secondary screening printing anti-counterfeiting pattern information database; secondly, printing and testing secondary screening printing anti-counterfeiting patterns; thirdly, acquiring printing production data with secondary screening anti-counterfeiting pattern information; fourthly, establishing a digital CTP (computer to plate) output process control system to realize digital control of plate chamber temperature, humidity, developing solution concentration, solution compensation dosage, flush temperature, flush time, solution conductivity and PH (potential of hydrogen) value and guarantee accurate output of anti-counterfeiting data on a printing plate and repeatability of repeated output. Non-reproducible special anti-counterfeiting patterns are obtained by means of data fusion operation of screening data, and a mode of software and hardware combination and precise flow process control is adopted to realize extremely low anti-counterfeiting cost and excellent printing anti-counterfeiting effect.

Description

technical field [0001] The invention relates to a printing anti-counterfeiting method, in particular to a second screen printing anti-counterfeiting method. Background technique [0002] In the production process of modern packaging products, especially in the printing process of high-end products, the application of anti-counterfeiting technology is an important technical means to ensure that products are not infringed and counterfeited, and it is also the core competitiveness factor for various printing companies to occupy the printing market. Technology is becoming a hot spot for high-end printing companies to develop products and occupy technological highlands. [0003] At present, anti-counterfeiting technologies commonly used in the printing industry include laser holography, anti-counterfeiting ink, anti-counterfeiting paper, watermark, magnetic card, two-dimensional barcode, etc. These anti-counterfeiting technologies usually have the problem of high anti-counterfeit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41M3/14G06T1/00
Inventor 戴俊萍王强杨燕西
Owner HANGZHOU DAILY PRESS GRP SHENGYUAN PRINTING CO LTD
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