Application Analysis of Anti-counterfeiting Technology in Commercial Paper Printing
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Anti-counterfeiting technology for printed materials. The application of printing materials and anti-counterfeiting technology of new technology plays an important role in the printing process. The various fluorescent inks we have contacted have been widely used in China since the early 1990s, and the manufacturers are also eager to achieve certain anti-counterfeiting effects. With the application of some new fluorescent materials in the currency, Promote the development of anti-counterfeiting printing materials, the application of many new materials such as ultraviolet light, infrared light, photo-induced materials, etc., so that anti-counterfeiting inks and other materials continue to play anti-counterfeiting functions.
With the development of printing consumables, the technological advancement of UV technology and many chemical materials, including the development of nano-scale materials, the anti-counterfeiting materials applied to inks and other consumables in the future will have a relatively large development space, but the main link is still There are two guarantees, namely the flexibility of the application and the ease of detection.
Anti-counterfeiting technology application in printing plate design. Shading anti-counterfeiting is a kind of anti-counterfeiting printing technology with the lowest cost and good anti-counterfeiting effect. The main features of shading anti-counterfeiting are: full use of lines for anti-counterfeiting, can produce: cattle rich changes, anti-counterfeiting design is completed in the plate making process, realized in printing. According to the principles of various technologies such as optics, spectroscopy, and printing technology, various anti-counterfeiting applications such as refraction and latent image can be realized by using shading anti-counterfeiting software. Shading or other anti-counterfeiting elements will not affect the overall design style of the printed matter, because anti-counterfeiting elements such as group flowers, latent images, and micro-texts are generally applied locally, without affecting the overall style of the design. Generally, the color of the shading print is relatively light and does not affect the aesthetic effect. The color depth can be set by considering the difference between the human eye and the scanner application optics for color resolution, so that the scanner can not scan out, and the human eye can distinguish.
Effects such as embossing, refraction, and lace add a new design element to the designer. Together with the traditional design, it can provide better design ideas, beautiful, eye-catching, easy to understand, and highlight anti-counterfeiting effects. Commonly used anti-counterfeiting shading elements in printing include: group flower, curve relief, image relief, lace, latent image, micro-text, shading, variable line width, curve simulation image, refraction, graphic filtering, etc. Security shading can be understood in two ways:
1 Prevent counterfeiting
- The imitation of the copied software is difficult to produce a similar effect on ordinary software, and on the other hand, it is difficult to imitate even if the same software is used.
For example, the lines used by the Peking University Founder Super Line Safety Shading Design System are sinusoidal lines, and the sinusoidal lines are difficult to draw with general software. The provided group flowers, curve reliefs, laces, image reliefs, thickness-changing lines, curves Analog images and the like have great randomness in production, and even if they are copied using the same software, it is difficult to make a model.
Image embossing, curve simulation image functions, on the finished product: the image effect of the line description, if there is no original dot matrix image, it is impossible to make the same effect, and it is impossible to scan it.
2 anti-scan
The modern ultra-high precision (optical resolution of 5 000 dpi or more) scanners or photoengraving can not reproduce the lines of the pattern to prevent scanning. The factory-safe shading design itself has an anti-scanning function for the simple reason that the scan must produce an image with dots, and the security shading is composed of lines, so it cannot be scanned.
Anti-counterfeit shading design application is an effective means to increase the added value of products, and it can also expand some special printing business for printing companies. In the printing industry, high-margin special printing uses a large amount of safety shading technology and is applied to each product (checks, tax receipts, passbooks, passports, documents, etc.).