Printing anti-counterfeiting technology is a comprehensive anti-counterfeiting technology, including anti-counterfeiting design plate making, precise printing equipment, and inks, papers, etc. From the point of view of printing technology alone, printing anti-counterfeiting technologies mainly include: engraving, computer design, gravure printing, rainbow printing, pattern docking, double-sided printing, multi-color wiring printing, multicolor overprinting, microprinting Technology, refractive latent image, invisible image and image intermix printing.
What is printing anti-counterfeiting technology
Anti-counterfeiting is a preventive measure taken for the purpose of cheating and copying or copying without the permission of the owner. Anti-counterfeiting is a technique that can be used to achieve anti-counterfeiting purposes. It can accurately identify authenticity and is not easily copied and copied within a certain range.
With the development of high technology and people’s requirements for high-quality packaging prints, the packaging and printing industry has begun a wide range of technological revolutions in recent years. The combination of multiple printing equipments and the mutual penetration of multiple printing technologies have made the printing products more changeable. Measurement, rich and colorful. The products printed with these new technologies have created obstacles and resistance for those who are trying to fake.
1. Plano-convex printing and multi-process printing
General high-end packaging and decorating printed products are designed with a large area of ​​color, multi-color sequence of continuous tone screen and complex lines, patterns, etc., to a single printing method has brought a certain degree of difficulty. If the use of plano-convex printing, that is, the use of letterpress printing press pressure, the advantages of uniform ink on the large area of ​​the solid color, with lithographic printing press pressure on the strength of the printing of four-color continuous harmonic complex part of the line, so to avoid weaknesses, its effect is Very obvious. For some of the more demanding and more complex print products, it is also possible to use hand, convex, concave, peace, convexity, concave-leakage, and other multi-process printing. In short, the more complex the printing process and the greater the difficulty of printing and packaging, the better the anti-counterfeiting effect.
2. Multi-color printing
Multi-color serial printing is also called cross-color printing, and it is generally printed by a letterpress printing machine. According to the requirements of printing products, ink separators are placed in ink tanks, and then a plurality of hue inks are placed in different ink screens. Under the string action of the ink roller, the adjacent ink is mixed and transferred to the printing plate. With this printing process, multiple colors can be printed at one time and the middle transition is soft. Since it is difficult to see the distance of the ink tank partition from the print, it can also play a certain anti-counterfeiting effect. If such a process is applied to large-area shading printing, its anti-counterfeiting effect will be more prominent.
3. Gravure printing technology
It means that the parts of the plate on the printing plate are raised, and the ink printed on it is also raised. The lines of the picture and text are clear and distinct, and the touch can feel. This printing technology has both protective and anti-counterfeiting properties for paper. Important securities use gravure printing technology.
The type of gravure printing is divided into two types according to the platemaking method: engraving gravure (hand-engraved gravure, mechanical engraving gravure), and two types of corrosion gravure.
Hand-engraved gravure printing has better anti-counterfeiting effect. Combined with security ink technology. Some printing anti-counterfeiting inks have larger pigment particles and require thicker ink layers, and the gravure printing has a stronger texture. The combination of the two will result in double anti-counterfeiting and decoration effects. If gravure printing uses fluorescent ink, it not only guarantees the gravure feeling of gravure printing, but also guarantees the use requirements of fluorescent ink. The secret prevention functions of both are also guaranteed.
4. Laser holographic iris printing
Laser holographic iris printing uses laser holography to fabricate stencils in a shockproof chamber, and then transfers the pattern to some kind of carrier through a certain pressure. Its products are illuminated by a 45-degree point light source and can produce colorful rainbow-like unique effects. The three-dimensional image of the product is extremely strong and is highly favored by consumers. It is known by some people of insight as 21st century ink-free color. Printing. At present, the cold pressing coating and the direct hot stamping of the soup printing film are commonly used. Due to the complexity of the plate making process of this technology, it is very difficult, and only a few domestic manufacturers can produce it, so the anti-counterfeiting effect is excellent. It should be particularly pointed out that holography is the use of laser light source in the shock chamber to capture the amplitude information and phase information of the scene light waves in a very short time, and uses the principle of interference of light to form each mass point of the scene to form all the information. In the plate making process, the fine air movement in the room can cause the color change of the holographic image. Therefore, it is impossible to make two identical hologram plates anyway.
5. Hand-carved engraving
Most packaging and decoration prints require the highlighting of key names and patterns. These graphic highlights are mostly made by chemical etching, and are printed on the machine with a gypsum intaglio. Although this method has the advantages of simple manufacturing process, short cycle, etc., but the embossing kyphosis effect is not good, does not have anti-counterfeiting effect. Therefore, there are many printing plants using engraving engraving process.
The hand-carved version requires the use of a copperplate material with a good texture. The graphic arts (mainly patterns) required by the user are carved out of the layers by means of the manual craftsmanship of the engraver, and can generally be carved out in 3 to 4 levels. In particular, it should be pointed out that the chemical etching method can only make one level, and the corners of the edge can not be made as a certain degree of solitary to enhance the embossing effect and prevent the paper from cracking. Since the craftsman's skill is not grasped within a short time, and different engravers have different carving styles, even the same engraver can't draw two identical templates. Therefore, it is stamped with such a template. Packaging printing products not only has good embossing effect, rich layers, high stamping rate, but also has a strong anti-counterfeiting effect.
6. Special glossy printing
Special glossy printing is a new type of printing technology that has become more popular in the packaging printing industry in recent years. Special glossy printing processes currently include metal luster printing, pearl printing, pearl luster printing, refractive printing, variable gloss printing, laser holographic iris printing, crystal luster printing, imitation metal etching printing and matte printing. Among them, metal luster printing uses aluminum foil metal composite paper with a more transparent ink to form a special metallic luster effect on the printed product. Pearlescent printing is the first to use silver paste on the surface of the print, followed by a very transparent ink, and the silver glitter reflects a pearlescent effect through the ink layer. Pearl sheen printing is printed using inks that incorporate mica particles, resulting in a glossy effect similar to that of pearls and shellfish. Refractive printing is the unique effect of using a refraction plate to imprint a pattern on a printed product with a certain pressure to produce light refraction. Matte printing uses matte ink printing or ordinary ink printing and then covers the matting film, which can produce the weak luster feature of the enamel, so it also has a relatively safe anti-counterfeiting effect.
What is printing anti-counterfeiting technology
Anti-counterfeiting is a preventive measure taken for the purpose of cheating and copying or copying without the permission of the owner. Anti-counterfeiting is a technique that can be used to achieve anti-counterfeiting purposes. It can accurately identify authenticity and is not easily copied and copied within a certain range.
With the development of high technology and people’s requirements for high-quality packaging prints, the packaging and printing industry has begun a wide range of technological revolutions in recent years. The combination of multiple printing equipments and the mutual penetration of multiple printing technologies have made the printing products more changeable. Measurement, rich and colorful. The products printed with these new technologies have created obstacles and resistance for those who are trying to fake.
1. Plano-convex printing and multi-process printing
General high-end packaging and decorating printed products are designed with a large area of ​​color, multi-color sequence of continuous tone screen and complex lines, patterns, etc., to a single printing method has brought a certain degree of difficulty. If the use of plano-convex printing, that is, the use of letterpress printing press pressure, the advantages of uniform ink on the large area of ​​the solid color, with lithographic printing press pressure on the strength of the printing of four-color continuous harmonic complex part of the line, so to avoid weaknesses, its effect is Very obvious. For some of the more demanding and more complex print products, it is also possible to use hand, convex, concave, peace, convexity, concave-leakage, and other multi-process printing. In short, the more complex the printing process and the greater the difficulty of printing and packaging, the better the anti-counterfeiting effect.
2. Multi-color printing
Multi-color serial printing is also called cross-color printing, and it is generally printed by a letterpress printing machine. According to the requirements of printing products, ink separators are placed in ink tanks, and then a plurality of hue inks are placed in different ink screens. Under the string action of the ink roller, the adjacent ink is mixed and transferred to the printing plate. With this printing process, multiple colors can be printed at one time and the middle transition is soft. Since it is difficult to see the distance of the ink tank partition from the print, it can also play a certain anti-counterfeiting effect. If such a process is applied to large-area shading printing, its anti-counterfeiting effect will be more prominent.
3. Gravure printing technology
It means that the parts of the plate on the printing plate are raised, and the ink printed on it is also raised. The lines of the picture and text are clear and distinct, and the touch can feel. This printing technology has both protective and anti-counterfeiting properties for paper. Important securities use gravure printing technology.
The type of gravure printing is divided into two types according to the platemaking method: engraving gravure (hand-engraved gravure, mechanical engraving gravure), and two types of corrosion gravure.
Hand-engraved gravure printing has better anti-counterfeiting effect. Combined with security ink technology. Some printing anti-counterfeiting inks have larger pigment particles and require thicker ink layers, and the gravure printing has a stronger texture. The combination of the two will result in double anti-counterfeiting and decoration effects. If gravure printing uses fluorescent ink, it not only guarantees the gravure feeling of gravure printing, but also guarantees the use requirements of fluorescent ink. The secret prevention functions of both are also guaranteed.
4. Laser holographic iris printing
Laser holographic iris printing uses laser holography to fabricate stencils in a shockproof chamber, and then transfers the pattern to some kind of carrier through a certain pressure. Its products are illuminated by a 45-degree point light source and can produce colorful rainbow-like unique effects. The three-dimensional image of the product is extremely strong and is highly favored by consumers. It is known by some people of insight as 21st century ink-free color. Printing. At present, the cold pressing coating and the direct hot stamping of the soup printing film are commonly used. Due to the complexity of the plate making process of this technology, it is very difficult, and only a few domestic manufacturers can produce it, so the anti-counterfeiting effect is excellent. It should be particularly pointed out that holography is the use of laser light source in the shock chamber to capture the amplitude information and phase information of the scene light waves in a very short time, and uses the principle of interference of light to form each mass point of the scene to form all the information. In the plate making process, the fine air movement in the room can cause the color change of the holographic image. Therefore, it is impossible to make two identical hologram plates anyway.
5. Hand-carved engraving
Most packaging and decoration prints require the highlighting of key names and patterns. These graphic highlights are mostly made by chemical etching, and are printed on the machine with a gypsum intaglio. Although this method has the advantages of simple manufacturing process, short cycle, etc., but the embossing kyphosis effect is not good, does not have anti-counterfeiting effect. Therefore, there are many printing plants using engraving engraving process.
The hand-carved version requires the use of a copperplate material with a good texture. The graphic arts (mainly patterns) required by the user are carved out of the layers by means of the manual craftsmanship of the engraver, and can generally be carved out in 3 to 4 levels. In particular, it should be pointed out that the chemical etching method can only make one level, and the corners of the edge can not be made as a certain degree of solitary to enhance the embossing effect and prevent the paper from cracking. Since the craftsman's skill is not grasped within a short time, and different engravers have different carving styles, even the same engraver can't draw two identical templates. Therefore, it is stamped with such a template. Packaging printing products not only has good embossing effect, rich layers, high stamping rate, but also has a strong anti-counterfeiting effect.
6. Special glossy printing
Special glossy printing is a new type of printing technology that has become more popular in the packaging printing industry in recent years. Special glossy printing processes currently include metal luster printing, pearl printing, pearl luster printing, refractive printing, variable gloss printing, laser holographic iris printing, crystal luster printing, imitation metal etching printing and matte printing. Among them, metal luster printing uses aluminum foil metal composite paper with a more transparent ink to form a special metallic luster effect on the printed product. Pearlescent printing is the first to use silver paste on the surface of the print, followed by a very transparent ink, and the silver glitter reflects a pearlescent effect through the ink layer. Pearl sheen printing is printed using inks that incorporate mica particles, resulting in a glossy effect similar to that of pearls and shellfish. Refractive printing is the unique effect of using a refraction plate to imprint a pattern on a printed product with a certain pressure to produce light refraction. Matte printing uses matte ink printing or ordinary ink printing and then covers the matting film, which can produce the weak luster feature of the enamel, so it also has a relatively safe anti-counterfeiting effect.
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