The application of anti-counterfeiting technology was originally limited to currencies, various securities and special industries that may endanger the public safety of the whole society. In recent years, due to the increasing severity of counterfeiting activities, the use of anti-counterfeiting technology has attracted more and more attention from famous brand product companies in various countries for the purpose of prevention. Many conventional anti-counterfeiting technologies such as laser holography, fluorescent ink, and temperature change ink have been widely used. At the same time, countries are developing new anti-counterfeiting technologies and products with high technological content, large amount of information, strong confidentiality, irreversible and non-reproducible, and apply them to various types of commodities. For example, the main forms and application fields of security printing are: banknotes, checks, money orders, passbooks, stamps, tax receipts, insurance policies, invoices, certificates of deposit, stocks, gift certificates, bonds, lottery tickets, tickets, air tickets, ferry tickets, coin manufacturing, Commemorative coin manufacturing, passports, passes, visas, letters of credit, marriage certificates, graduation certificates, permits, qualification certificates, ownership certificates and other certificates and certificates. Due to its traditional nature and high security, this area is often controlled or managed by the government and has formed a huge industrial cluster and industrial supply chain, such as security design, security paper, security ink, security printing, security binding, security issuance , Security plastic packaging, security control, etc. The existing forms and application fields of anti-counterfeiting packaging include: tobacco packaging, pharmaceutical packaging, software packaging, product flexible packaging, packaging contents, see-through laser holographic plastic film, etc.
The existence forms and application fields of anti-counterfeiting labels are: alcohol, clothing label, shoe label, computer hardware and software products, cosmetics, health products, food, sports goods, auto parts, agricultural supplies, toys, etc .;
The existence forms and application fields of security identification include: magnetic information technology used on credit cards, ID cards, driver's licenses, social insurance cards, IC card technology, bioinformatics feature recognition technology, etc.
Regardless of the type of product, most of the anti-counterfeiting technology used is still a paper-based material. Such as Microsoft's genuine hardware and software products logo; Cuban cigar logo; French Montagut brand T-shirt label; German train ticket; British tax ticket and so on.
Some new technologies and new materials for anti-counterfeiting abroad
Anti-counterfeiting and anti-counterfeiting are not unique to developing countries. Developed countries also attach great importance to the application of anti-counterfeiting technology, and due to high living standards, high-tech content and high-cost anti-counterfeiting technology products are easier to be widely accepted, giving them more opportunities to use the most advanced Technology is used for anti-counterfeiting, so that high-tech anti-counterfeiting technology covers more products and commodities, thus leading the world trend of anti-counterfeiting technology. The following introduces some typical high-tech anti-counterfeiting technologies and anti-counterfeiting new materials abroad:
Photopolymer hologram
The patented laser holographic logo of the American BRIDGETONE Anti-counterfeiting Company, its anti-counterfeiting labels are applied to: More than 200 million anti-counterfeiting tickets for the 1996 Olympic Games; all tickets for the 1998 World Cup in France; all anti-counterfeiting products of the American NBA Association; Disneyland worldwide Anti-counterfeit products, such as cartoons, cards, artworks; anti-counterfeit marks of Motorola communications products worldwide; MERCK anti-counterfeit marks of American Pharmaceutical Company; all anti-counterfeit marks of American Product Assurance Industry Association; national food anti-counterfeit labels of National Food Corporation of Israel; Ukraine, Russia Anti-counterfeiting labels for liquor; anti-counterfeiting labels for Ukrainian national security prints, passports, driver ’s licenses; anti-counterfeiting labels for automobile parts of the English company, etc.
French ultra-thin safety plastic film
Ordinary plastic film is produced by extrusion method, which is tough and not easy to tear. The so-called ordinary film means that the film is tougher than paper. When attempting to remove the film, the film remains intact and the paper is destroyed. The basic principle of ultra-thin film is exactly the opposite of ordinary film-when removing the film, the paper remains intact and the film is destroyed. The key properties of this membrane are:
1. The film is very thin (generally between 30microns and 50 microns), it is difficult to pinch one side to peel off;
2. The membrane surface is rough (common membrane is smooth), if the membrane is damaged, no similar membrane can be found on the market;
3. The film is very fragile and easy to tear. The thickness of the film can be changed selectively by adding fragile areas to make the film easier to tear;
4. The thickness of the edge of the photo can be increased to avoid the corners of the photo breaking through the plastic film;
5. Can use different types of ink (visible, invisible, fluorescent, OVI, etc.) to print on the film. When printing, special technology can be used to make the ink layer thicker than the ordinary film, which means that the fluorescence intensity is higher and more resistant to aging;
6. Various irregularly shaped films can be provided, such as: holes for signatures, etc .;
7. It can be made into heat-sensitive adhesive type or self-adhesive type.
This film has been used in passports of many countries and regions such as France, Poland, Czech Republic and Hong Kong SAR of China. [next]
Hot stamping laser holography
The hot stamping laser holography technology on paper has been applied to the Euro and European Community visas. On the basis of the latest version of the Swiss visa, laser holographic miniatures can be stamped on stickers.
Australian plastic banknote technology
The substrate used for plastic banknotes is not ordinary plastic, but a fiber-free polymer. The coated substrate can be printed in the banknote printing plant. The printability of the substrate used for plastic banknotes is close to that of banknote paper, and it is fiber-free, pore-free, anti-static, anti-oil, and anti-copying. The plastic substrate itself is an effective anti-counterfeiting measure. Recently, researchers have applied techniques such as gravure reflection block, optical variable printing, partial demetallization foil, and micro-holes to plastic banknotes. At the same time, they have also developed plastic substrates such as embossed features, laser markings, and diffractive optical elements. Unique anti-counterfeiting measures. Among them, the inkless embossed pattern is the embossed pattern that can be permanently saved on the plastic substrate. The pattern includes: basic symbols, portraits, decorative patterns, and optically variable images OVD.
The transparent window on the plastic banknote can be designed as an optically variable image OVD (Optical V Device) to prevent copying with plain paper. In recent years, OVD has been used to display anti-counterfeiting features that could otherwise be seen on the ticket. In this way, some second-line anti-counterfeiting can be changed into first-line anti-counterfeiting, so that the plastic banknotes have the characteristics of self-identification, which greatly facilitates public identification.
Canadian commemorative coin laser holography
This is a unique and high-tech manufacturing process. It does not produce laser holograms separately and then overlay them on coins like other countries. Instead, it applies laser holography directly to the coin casting process. The maple leaf on the laser holographic maple leaf gold coin adopts high-resolution dot moment holographic molding technology to make the leaf surface of the maple leaf show four shades of red, green, blue and yellow. Technology, so that the leaf surface of the maple leaves show four shades of pink, red, yellow, blue and black. This technique by the engravers of the Canadian Mint has won the Laser Holographic Technology Innovation Award from the Mint.
Digital watermarking technology in Germany
Germany has made breakthroughs in the use of digital watermarks to protect and prevent counterfeit electronic photos. This technique can effectively prevent paper-made documents from being forged. Taking the production of personal ID cards as an example, the production of personal ID cards generally goes through the process of scanning photos and signatures, input into the certificate making machine, printing and plastic sealing. The above new technology is to add a hidden digital watermark to the photo before printing the ID. The specific method is to modify some unnoticed parts of the photo. The processed photos are exactly the same as the original with the naked eye, and only the dedicated scanner can find the watermark. This method can determine the authenticity of the document quickly and unmistakably. Digital watermarking technology can not only add a firm watermark to the photo, but also make the watermark disappear through modification, so that any forgery attempt will not succeed. [next]
Advantage technology
This technology comes from the American Advantage company, which is an advanced plastic film chemical coating technology. It can produce a three-dimensional color effect, such as from orange to green to transparent, unlike laser holograms. This kind of logo is produced in a closely monitored place and protected by patents and commercial trade secrets, so its production method is extremely confidential, and no articles or media have disclosed any production details. Advantage technology has been used in more than 15 kinds of driver's licenses in the United States and passports in more than 12 countries, and many anti-counterfeiting technologies are used in many products. The main features of Advantage technology are: 1. No matter how it is replaced, it will cause irreparable damage or leave obvious traces; 2. The text is transparent and does not affect the overall design effect; 3. The identification method is simple and does not require any Instrument; 4. Can effectively prevent counterfeiting means such as color copying and electronic color separation scanning; 5. With self-destructive design, only for one-time use.
It is reported that this technology has been introduced in China for the production of Hong Kong and Macao residents' mainland travel permits.
Scramble Indicia technology (scrambling text technology)
This is a patented technology shared by American Image Security Systems and Hungarian Ula Design. It is to "disrupt" the anti-counterfeiting pattern and transform it and superimpose it on printed products such as banknotes, stamps, packaging and printing patterns. This mark cannot be seen by the human eye, and the current color copiers and digital scanners cannot reproduce the anti-counterfeit mark graphics. Only under the special decoding mirror can the anti-counterfeit graphics be displayed and produce a three-dimensional effect. The advantage is that it does not require special printing inks and special printing processes. Almost all current printing processes and even holographic printing, laser printing can complete this technology, and at the same time can use different frequencies for multiple encryption anti-counterfeiting and anti-counterfeiting of different products. At present, this technology has been applied to printed materials such as Armenian banknotes, US postage stamps, Hong Kong SAR passports, and tobacco packaging.
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