Special application of anti-counterfeiting ink in stamp printing

As we all know, stamps are different from general products or trademarks. They are both securities and works of art. The color of the stamp design artwork cannot be changed once it is determined; and there are already many contents between the square inches. Add space for text and patterns. If text and patterns are added for anti-counterfeiting, the artistic effect of the overall design of the stamp will be destroyed, so anti-counterfeiting of stamps has certain difficulties and limitations. The Stamp Printing Bureau has developed yellow, magenta, and cyan fluorescent encryption anti-counterfeiting inks based on the business characteristics of printing more than 100 stamps with different printing processes every year. Red ink glows yellow, red ink glows red, and blue ink glows green. The above 5 kinds of fluorescent inks all contain encryption components, so these 5 kinds of anti-counterfeiting inks can play the role of first-line anti-counterfeiting (public identification) and second-line anti-counterfeiting (instrument detection and arbitration).

At present, gravure (photographic printing plate) and offset anti-counterfeiting inks have been developed to meet the printing requirements of various patterns of stamps and the printing process requirements of different stamps. Like the "Yellow River Hukou Waterfall" mini-print stamps printed and issued before, a warm-tone "yellow ink glows red" encrypted gravure ink was used in the printing. The printed mini-sheets looked unchanged under normal light. ; But under the excitation of the ultraviolet lamp, the stamp pattern can give off a golden-red brilliance, which plays a role of anti-counterfeiting. It is not difficult to see from this successful combination that anti-counterfeiting ink should be organically applied in the design of postage stamps according to the characteristics of stamp prints, not only to achieve anti-counterfeiting purposes, but also to make prints have better artistic effects. In the research work of stamp anti-counterfeiting technology, we realized that anti-counterfeiting must be "two high and one strict", that is, anti-counterfeiting technology should be high-tech and high-input technology. The use of high-tech and increased investment in development funds can be copied. Increase the difficulty.

China's investment in the development of stamp printing anti-counterfeiting technology is quite large. "Strict" means strict management of anti-counterfeiting technology and anti-counterfeiting materials, without outflow or abuse, otherwise the vitality of its anti-counterfeiting technology will be greatly shortened. Any anti-counterfeiting technology and anti-counterfeiting materials are not once and for all, especially in today's rapid technological development. Therefore, the research work on stamp anti-counterfeiting technology for the secure printing of stamps cannot be stopped for a moment.

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