Application of the hottest laser holographic anti-

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Application of laser holographic anti-counterfeiting technology in cigarette packet printing

overview of cigarette packet anti-counterfeiting

compared with the anti-counterfeiting technology used in general products, cigarette packets have higher requirements for anti-counterfeiting technology. From the perspective of application, cigarette manufacturers, on the one hand, mix substances with anti-counterfeiting characteristics in the production process of packaging materials, on the other hand, adopt anti-counterfeiting printing technology in the printing process. Laser holography and ink anti-counterfeiting are the most commonly used anti-counterfeiting technologies. Holographic products used for cigarette bags mainly include laser holographic anti-counterfeiting marks, laser holographic packaging materials and laser holographic hot stamping materials

the use of holograms not only enhances brand awareness and customer credibility, but also creates an attractive and eye-catching package. At present, the main types of laser holography used in cigarette packaging are: disposable holographic anti-counterfeiting logo, holographic anti-counterfeiting stay wire, holographic hot stamping, transparent holographic film, holographic anti-counterfeiting heat shrinkable film, holographic transfer paper, etc. In addition, it will also be a trend for the development of cigarette packaging to integrate three-dimensional holographic technology with two-dimensional printing technology for the overall design of cigarette packaging and printing

laser holographic anti-counterfeiting identification

in China, laser holographic anti-counterfeiting identification mostly takes laser hologram as the carrier, and integrates various anti-counterfeiting technologies, such as dynamic holographic technology, multi-channel (homomorphic) technology, 2D/3D technology, dot matrix holographic technology, photochemical relief technology, micro encryption technology and machine recognition technology. The comprehensive anti-counterfeiting identification has passed the achievement appraisal presided over by the State Administration of tobacco in 1997. In recent years, China has made new achievements in the hiding of encrypted information, anti duplication technology, transparent laser holography, laser holographic hot stamping, laser holographic manufacturing of a variety of nano plastic filling materials and the combination of digital anti-counterfeiting technology

it should be emphasized that the laser holographic anti-counterfeiting logo used on cigarette packaging (including strip bags and small bags) at present, the biggest difficulty in Mongolia China trade is that the transportation problem must have the characteristics of "one-time use", that is, the holographic anti-counterfeiting logo pasted on cigarette packaging should not be used repeatedly after being torn off (known as tamper everdent in foreign countries). As the outer packaging material of cigarettes is non-polar polymer film, general holographic anti-counterfeiting identification materials and commonly used self-adhesive may meet the requirements of "disposable use". A one-time holographic anti-counterfeiting logo specially used for cigarette packaging and containing a special "anti stripping glue" must be used to meet the "requirements for one-time use"

laser holographic packaging materials

laser holographic packaging materials have become highly respected packaging materials by businesses and are rapidly being applied to various commodity packaging due to their strong visual impact effect, which can make commodity packaging colorful and have strong anti-counterfeiting effect. Laser holographic packaging materials for cigarette packets usually include laser holographic aluminum coating and laser holographic packaging machine 'target'=_ Blank> transparent film, laser holographic paper, laser holographic cable, etc

1. Laser holographic aluminum coating

laser holographic aluminum coating is a kind of laser holographic reflection film. The laser holographic aluminum coating manufactured by high-resolution dot matrix lithography technology has a changeable and magical dynamic combination effect. At the same time, it can also use comprehensive encryption and anti-counterfeiting technology (such as photochemical relief technology) to make it have excellent anti-counterfeiting function. Photochemical relief technology is the integration of non holographic technology and holographic technology. This technology can make any pattern or text on the background of hologram, and its color does not change with the observed chromaticity. The unique information contained in it is identified by laser pen or special instrument

2. Laser holographic packaging machine 'target=_ Blank> transparent film

laser holographic packaging machine 'target=_ Blank> transparent films are often made in two ways. One is to use the "demetallization technology" to etch the aluminum coating on the back of the laser holographic aluminum coating into high-resolution metal dots (similar to the dots added in modern printing plate making), also known as "eye adjustment method" or "screen method". After demetallization, the place with metal dots can still play the role of reflection hologram, while the place without metal dots is transparent, and the line of sight can see the following pictures and texts through the holographic film. Therefore, the English translation of this technology is "see through". Making holographic packaging machine 'target' with demetallization Technology=_ Blank> a typical example of transparent film is the card protection holographic packaging machine 'target' for Chinese resident ID cards=_ Blank> transparent film

another holographic packaging machine 'target=_ Blank> the method of transparent film is to continuously evaporate a transparent medium film with high refractive index on one side of the plastic film molded hologram, and make the reconstruction angle of the hologram exactly equal to the total reflection angle formed by the two media. Since both plastic film and dielectric film are transparent, this is a truly "transparent" laser holographic film. Moreover, the reconstruction of the hologram cleverly uses the rotation of the hydraulic universal experimental oil pump to start or stop the total reflection phenomenon when the light enters the light sparse medium from the light dense medium, so the reconstructed hologram is still gorgeous and shiny

laser holographic packaging machine 'target=_ Blank> transparent film can not only be directly used as the outer packaging material of cigarettes, but also be made into holographic cable. At present, shrink packaging tends to be popular in the market, accounting for more than 50% of the external packaging. The material of shrink packaging is the same as that of laser holographic packaging. Heat shrinkable plastic film and special polymer imaging materials can be combined to make transparent holographic heat shrinkable packaging materials

ordinary laser holographic packaging materials need to be compounded with whiteboard before color printing. Due to the high cost, it is generally used for cigarette packaging of high-end cigarettes. According to rough statistics, 10% of high-end cigarettes in China have adopted this kind of packaging material. Such as the "rain flower stone" in Nanjing and the "Red River" in Yunnan

laser holographic aluminum coating or laser holographic packaging machine 'target=_ Blank> the transparent film is made into a transfer material, which can transfer the coating with holographic pattern to other materials. For example, holographic paper can be obtained by transferring it to paper-based materials. Because it is difficult to directly make holographic coating on paper, many technological difficulties have not been solved, so the transfer method is still the main method to make holographic paper

new highlight of cigarette bag anti-counterfeiting packaging printing -- the integration of three-dimensional hologram and color printing

organically combine the rich color effect and printing flexibility of ink with the powerful visual charm of hologram, integrate holographic technology with printing technology, and control the generated color, you will get some very strange effects. It is incomparable to a single hologram, and it is sold in the market That is, after the temperature changes, it has become a very effective means in security anti-counterfeiting and product promotion activities. It is an imaginative and charming development project to use the combination of holography and printing in the packaging box of cigarettes, and it is also a development trend of modern packaging and printing industry

there are three ways to add ink to the hologram. The simplest one is to print on the scrambled hologram. There is no need to align the hologram with the ink image, and the production cost is the lowest. Colgate toothpaste boxes and domestic "Diao Pai" toothpaste boxes have adopted this method. Another method is that printing has a certain spatial relationship with the hologram, and ink is used to compensate the effect on or around the hologram; Although the printing on the background hologram is more difficult than that on the scrambled version, the effect is good. The third method is that printing and hologram need to be strictly aligned. This technology is the most difficult, but it can provide designers with the greatest creative space and a high degree of flexibility, with the strongest artistic charm

relevant enterprises in China have carried out a series of research and development work in the combination of holography and printing for cigarette bag anti-counterfeiting, including:

1) technical means of packaging design and prepress processing

2) control the design effect through the addition of ink in the proofing test

3) for different printing technologies, how to give full play to the characteristics of holography and avoid some problems

4) solve the technical and technological difficulties such as the alignment of printing and hologram, the transparent treatment during printing, and the protection of holographic effect in the printing process

cigarette packaging printing technology, which can prevent counterfeiting and attract customers' attention, is very competitive. Using holograms with printing to design the overall package of cigarettes should be a very perfect solution. As long as holographic manufacturers cooperate closely with cigarette manufacturers and packaging printers, this scheme can be realized in the holographic packaging and printing of cigarette packs, which will add icing on the cake to the booming tobacco packaging and printing industry in China

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