In order to prevent counterfeiting of goods, maintain corporate image, and protect the legitimate rights and interests of consumers, anti-counterfeiting technology is born. This paper mainly introduces the moiré anti-counterfeiting technology, focusing on its anti-counterfeiting principle, anti-counterfeiting features and anti-counterfeiting applications, and proposes some improved schemes for the characteristics of moiré anti-counterfeiting, so as to achieve better anti-counterfeiting purposes.
First, the principle of moiré anti-counterfeiting
The moiré anti-counterfeiting printing technology is a special anti-counterfeiting technology for dot plate making. It is artificially different from the mesh angle of the hidden image area of ​​the printing film or the printing plate and the mesh angle of the display area, and is covered on the printed matter. A more conventional type of mesh film with the same mesh line and mesh angle, and the invisible graphic appearing in the obvious moiré pattern, can obtain a unique plate-making anti-counterfeiting method.
According to relevant research, the two screen patterns of the same line number will produce all shapes of moiré at 45°, and the moiré will have a repeating shape in the subsequent 45°-90°. When the difference between the angles of the two screens is 45°, the moiré is the smallest, and when the angle is different by 15°, the moiré is the largest.
Second, the turtle anti-counterfeiting features
The characteristics of the moiré anti-counterfeiting are mainly reflected in: the anti-counterfeiting performance is meticulous, and the subjective visual is a very beautiful anti-counterfeiting pattern.
Because the moiré pattern is ever-changing, this anti-counterfeiting technology is easy to identify and difficult to copy. The spot color used in the printing process is not the traditional C, M, Y, K four-color printing, which makes the copy complicated. If you scan and copy hard, the color separation before the book is published will become blurred and point.
The process of making the moiré anti-counterfeiting design needs to be done in one go. The technology in the printing process must be completed in a fine enough manner without incurring additional production costs, so that the input cost is greatly reduced.
The use of moiré anti-counterfeiting is ingeniously combined with the packaging design and does not affect the original packaging.
All in all, the moiré anti-counterfeiting technology can make full use of and use the counterfeiters to copy the plates to achieve effective anti-counterfeiting measures.
Third, the turtle anti-counterfeiting application
The moiré anti-counterfeiting process uses a new spot color version, and according to user needs, a set of spot colors different from the traditional C, M, Y, K four-color version is produced. When joining the net, different dot parameters such as dot angle and dot line number are set, so that this angle can form a moiré in one of the four colors.
There are two main forms of using moiré anti-counterfeiting technology on the packaging: one is that the packaging itself has anti-counterfeiting function, and the outer surface or inside of the packaging has a moiré pattern. This will be a good anti-counterfeiting effect and will not affect the original packaging. Another form is anti-counterfeit tag identification. In paper-based labels, the use of moiré anti-counterfeiting technology not only provides good anti-counterfeiting, but also adds no additional printing costs. If the moiré technology is applied to the telephone code security label, it can play an anti-counterfeiting role under the condition that the query rate is relatively low.
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