Introduction and simple identification method of domestic and foreign commodity anti-counterfeiting labels
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In recent years, due to the proliferation of counterfeit and shoddy goods, the use of anti-counterfeiting technology has become increasingly prominent in the identification and prevention of counterfeit and shoddy goods. Printing anti-counterfeiting marks on their own products has become an effective measure for brand-name manufacturers and manufacturers of famous products to protect themselves. At present, there are hundreds of products with anti-counterfeiting marks on the Chinese market, such as Xiafei cosmetics, Hongxing brand Erguotou wine, and floppy disks produced by 3M company for computers.
Anti-counterfeiting labels are roughly as follows:
1. Reactive SK temperature control anti-counterfeiting mark: As long as the trademark is slightly warmed, the anti-counterfeiting color will immediately fade out, showing the production mark of the anti-counterfeit manufacturer; after cooling, the anti-counterfeiting color is quickly restored, and the anti-counterfeiting mark is re-covered.
2. Fluorescent type anti-counterfeiting mark: It is illuminated by special anti-counterfeit fluorescent lamp, and the mark printed by anti-counterfeit fluorescent ink will be bright, showing bright red, orange red, yellow green or green fluorescence, which has high fluorescence intensity and good printing adaptability.
3. Invisible technology anti-counterfeiting mark: According to the principle of holographic anti-counterfeiting mark, the anti-counterfeit mark of hidden true-shaped flash discoloration is directly produced by using the top surface of the metal bottle cap. Such markings reflect a particular pattern or glyph when illuminated by sunlight or a light bulb.
4. Laser holographic anti-counterfeiting mark: According to the principle of laser interference, the pattern or character is photographed from different levels and different angles, and then superimposed and processed to produce different color effects. This kind of anti-counterfeiting mark technology is high in content and difficult to imitate, and should be promoted and promoted.
5. Photosensitive, temperature sensitive double security mark: a double security mark consisting of a base layer and a coating layer containing photosensitive and temperature sensitive, respectively. The selected photosensitive paint is exposed to natural light under ultraviolet light. The color changes rapidly from shallow to deep within 2-6 s, and a reversible reaction occurs. The temperature-sensitive paint touches 5-10 s with a finger at room temperature, and the color rapidly changes from deep to shallow. . When used, the consumer simply presses the anti-counterfeiting mark on the product with his finger, and after 5s, it can change the color.
The following two types of foreign product anti-counterfeiting marks are introduced.
1. US 3M reverse security label: 3M original products are accompanied by watermark reflection labels. The identification method is: the hand-held flashlight is between the two eyes, and parallel to the eyes, the light source is irradiated onto the label, and the eye sight is seen with the light source, and the label will reflect the 3M watermark of the shining purpose, and the authenticity is unforgeable.
2. "Shape Memory" Security Mark on Mitsubishi Heavy Industries Air Conditioner: Use a hair dryer (dry hair dryer) to blow hot air to the "Mitsubishi Heavy Industry Anti-counterfeit Trademark" attached to the indoor/outdoor machine of "Mitsubishi Heavy Industries Air Conditioner" for 10-15s After the trademark becomes soft, use its fingers to deform it and wait for its cooling to become hard. Once again, blowing the hot air to the deformed trademark "Mitsubishi Heavy Industry Anti-Counterfeiting Trademark" can restore its original appearance. This method of identifying the shape memory function can be repeated.
In order to gradually standardize anti-counterfeiting technology products, the State Bureau of Quality and Technical Supervision issued six national standards for anti-counterfeiting technology products in 1997. The “RMB Counterfeit Denoter” was implemented as a mandatory national standard on July 1, 1998. "General technical conditions for anti-counterfeiting holographic products", "Safety and anti-counterfeiting Part I: Securities, documents for papers", "Anti-counterfeiting inks for the first part: UV-excited fluorescent inks (adhesive plate, letterpress printing) technical conditions", "Anti-counterfeiting printing products production management specifications" Five anti-counterfeiting standards, such as the terminology of anti-counterfeiting technology, were implemented as a recommended national standard on May 1, 1998.
The "General Technical Conditions for Anti-Counterfeiting Holographic Products" stipulates the classification, anti-counterfeiting strength, product technical requirements and safety measures of anti-counterfeiting holographic technology; the security anti-counterfeiting paper standard is mainly used for printing securities, checks, stocks and documents; the anti-counterfeiting ink standard specifies UV The technical requirements for exciting fluorescent inks.
The implementation of the anti-counterfeiting series of standards is very beneficial to curb the social circulation of fake RMB and fake securities, protect the interests of the people, and stabilize the financial order; the five recommended anti-counterfeiting standards provide the technical basis and guarantee for the development of the anti-counterfeiting industry.
It is well known that any low-tech or single anti-counterfeiting technology and products are difficult to effectively play an anti-counterfeiting role. The higher the level of anti-counterfeiting products is, the more difficult and complicated the technology is, and the more difficult it is to counterfeit. Therefore, the anti-counterfeiting effect is better. Based on this reality, many manufacturers of anti-counterfeiting products continue to improve, improve and update their own technologies and products. At present, laser holography, one-time use, stealth encryption, multi-color recombination, micro-dark recording, dynamic rotation, orthogonal imaging have been developed. , UV fluorescent and color-changing inks and other anti-counterfeiting technologies in one product, thus enhancing the anti-counterfeiting function of the product.