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What is anti-counterfeiting? (Discuss in the field of related articles) False is false, relative to the original article. Counterfeiters have created fakes (counterfeit) similar to the original items (authentic) for economic, political, military, and other purposes, to pretend to be true. Anti-counterfeiting is to prevent pretending to be true. Anti-counterfeiting is first to identify and distinguish between true and false, and then adopt administrative, legal or even military means to combat and eliminate counterfeiting. If it is only to identify and distinguish between true and false, without measures to combat and eliminate it, anti-counterfeiting is incomplete and irresistible. Therefore, anti-counterfeiting should include the whole process of identifying and combating and eliminating fakes. The concept of anti-counterfeiting technology in this article is a technical method used to identify and distinguish between true and false, and provides a basis for combating counterfeiting.
Anti-counterfeiting identification technology can have a variety of classification methods, people traditional methods are often classified according to technology categories, physical, chemical, biological, etc. The physical can be divided into optics, electromagnetics, microelectronics, geometric shapes, nuclear physics and so on. Optical can also be divided into laser holography, infrared, ultraviolet, grating and so on. Holographic can be subdivided into many kinds, so the division is too complicated. Therefore, in order to facilitate discussion, the author classifies anti-counterfeiting identification technology from the perspective of identification characteristics. Anti-counterfeiting technology can be divided into two categories:
The first is to identify the true and false technology according to the characteristics of the article itself. The second is to facilitate identification by attaching an easy-to-recognize mark to the object that needs fidelity recognition, that is, an additional identification technology.
The technology to identify the true and false according to the characteristics of the article itself is very different in the world. There are differences in physical, chemical, optical, electromagnetic, macro, and micro characteristics. Even if the same item is produced using the same material and the same process, it is not There may be no difference. For example, small differences in materials and small changes in process conditions during processing (such as tool wear) can cause differences in the shape, weight, and color of items. Since there are differences between items, you can find a way to identify true and false based on the characteristics of the item itself. For example: the distinction between authentic and counterfeit goods in cultural relics identification is often based on historical records, identifying its age and various characteristics of itself; medically based on DNA for paternity testing; certain items and traces of crime scenes in criminal investigations, such as Cigarette butts and fingerprints are analyzed and identified.
The additional identification technology often has a large number of the same items that need to be authenticated. Because the items are simple and the performance difference is too small, and the discriminator is not a professional or professional department, identification is very inconvenient. Especially in today's era of globalization of commodity circulation, counterfeit and shoddy products are widespread, and ordinary consumers urgently need to easily identify the authenticity of commodities. Therefore, in order to meet this demand, people attach an easy-to-recognize sign to the items that need to be identified, and additional identification technology has emerged. For example: stamping documents and pasting various anti-counterfeiting marks on commodities. A variety of technologies and materials have been applied to anti-counterfeit labels, such as laser holographic technology, code query technology, various fluorescence, temperature change, infrared inks, various high-difficult printing technologies, and even heavy-ion microporous anti-counterfeiting technology using nuclear technology.
Anti-counterfeiting is accompanied by the continuous development and progress of human historical civilization. As early as in ancient China, the tiger symbol was used as a token of military dispatch; adding marks or warnings to porcelain, calligraphy and painting to determine the identity of the producer, to prevent counterfeiting. For example, from the beginning of the Qin Dynasty's "mud seal" and "jade seal" as the beginning of the use of seals for anti-counterfeiting in China more than 2,000 years ago, they gradually developed into round red seals; It can be successfully imitated with a piece of wood or a piece of soap and a carving knife, so it is further developed into a steel stamp with special marks, or make a fuss in the printing oil, and add special materials to play a role in anti-counterfeiting. But these are still unable to meet the needs of modern society. There are still many criminal activities of forging seals every year, and then higher requirements such as electronic seals and seal informatization are put forward.
With the development of modern science and technology, driven by interests, the phenomenon of counterfeiting and inferiority is ramping up, making the fight between counterfeiting and anti-counterfeiting increasingly fierce.
Special printing anti-counterfeiting technology Printing is one of the four major inventions in ancient China and has a long history. Relying on printing to achieve anti-counterfeiting purposes, we must start with modern special printing. Such as using special high-precision printing equipment: gravure printing machine and special coding machine; using special special paper: watermark paper, bond paper, security thread paper, fluorescent fiber paper, etc .; and special plate-making technology and printing process: anti-counterfeiting Plate pattern, anti-counterfeiting ink, etc. However, with the advent of copiers, scanners, and color printers, it has brought convenience to our work and also provided a tool for counterfeiters. At the same time, new equipment and new materials have been widely used, making counterfeiting no longer a problem. Among them, the most typical RMB anti-counterfeiting printing is also the continuous development of printing technology and anti-counterfeiting materials, making it always in the leading position of anti-counterfeiting technology.
Laser holographic anti-counterfeiting technology Laser holographic anti-counterfeiting technology is a high-tech anti-counterfeiting technology. Compared with general printing technology, it has clear images, colorful colors, strong three-dimensional sense, can increase product aesthetics and improve product quality. Since the introduction of the first laser holographic image production line in China in the late 1980s, the laser anti-counterfeiting marks produced have played a role in anti-counterfeiting and counterfeiting.
But then many companies have swarmed, so that there are currently hundreds of manufacturers that can produce such logos. At present, there is still a gap between the precision of domestic plate making and that of foreign countries. Most of the production levels are low and the technical difficulty is not large, so fake standards appear frequently. For consumers, it is difficult to accurately distinguish between true and false tags, thereby greatly reducing the anti-counterfeiting function of laser holographic labels. At present, many laser anti-counterfeiting manufacturers have gradually transferred to the product packaging industry.
The common bar code with anti-counterfeiting technology is a method used for goods management and production management abroad, which originally did not have anti-counterfeiting performance. Later, someone tried to use a specially arranged bar code for anti-counterfeiting, but the encrypted content of the one-dimensional bar code was limited, and the difficulty of decoding was not great. Therefore, it was quickly recognized that it was only widely used as an information carrier. The PDF417 QR code launched in the 1990s is a digitally encrypted QR code used for anti-counterfeiting identification. It does not require database support for detection, as long as it can be quickly identified by the matching detector.
At the same time, machine-readable codes, magnetic codes, smart cards (RFID), etc. have emerged, but these all have the risk of algorithms being cracked and data being changed, so their anti-counterfeiting efforts are far from enough, and more are used for logistics tracking management.
Telephone code anti-counterfeiting technology In recent years, telephone code anti-counterfeiting technology was born on the basis of encoding technology. It is a new type of anti-counterfeiting technology with high technological content, easy identification and relatively low manufacturing cost. Consumers can check the authenticity of digital tags through phone calls, text messages, and the Internet. In theory, this is an ideal anti-counterfeiting method, but due to the rapid development of computer technology and the increase of criminal activities in the high-tech field, the database of telephone code anti-counterfeiting will be destroyed by hackers, and the telephone code anti-counterfeiting system based on algorithms is often used. Decoding, so its reliability is greatly reduced. Not to mention the convenience of consumer inquiry, the anti-counterfeiting label itself is also easy to be copied, and it is likely that the false label will be searched as a genuine product early, and the true label will be checked later is false. These are all loopholes that the telephone code anti-counterfeiting technology cannot make up for.
In addition, special ink anti-counterfeiting, texture anti-counterfeiting, seal anti-counterfeiting and DNA biological anti-counterfeiting technologies are constantly being updated, and they are innovating in materials and identification methods. Some have played a vital role in combating counterfeiting, while others have been "advanced." "The counterfeit technology was eliminated.
It can be clearly seen from this that with the rapid development of modern technology and the acceleration of global economic integration, anti-counterfeiting identification technology is rapidly promoted and popularized, and is soon mastered by counterfeiters, which accelerates the decline of anti-counterfeiting efforts, and the more its life cycle Coming shorter.
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