Application of laser holographic hot stamping technology on cigarette packs

Laser holographic non-positional hot stamping technology:
Transfer the holograms to the cigarette packs through the hot stamping process by successively arranging general or special edition laser holographic anodized aluminum. Adopt special edition laser holographic anodized aluminum to make customized enterprise information in hologram, which can play a good anti-counterfeiting role. The hologram on the hot stamping material does not need to be aligned with the hot stamping touch head, and it is relatively easy to implement. The process is relatively low but the cost is low.

Laser holographic positioning hot stamping technology:
On the fully automatic high-position hot stamping equipment, through photoelectric identification, the hologram of a specific part of the holographic anti-counterfeit hot stamping film is accurately stamped to the designated position of the cigarette mark.

It is more difficult to locate hot stamping:
1. Special hot stamping equipment is required;
2. High requirements for the production of hot stamping film, the molding process must be strictly controlled, the slitting accuracy and the tightness of the winding, and the positioning accuracy cannot be less than plus or minus 0.2mm;
3. It is required that the medium for recording the hologram has a high resolution, and it can usually reach more than 300 lines / mm;
4. During the hot stamping process, the imaging layer of the holographic hot stamping film is required to maintain the information of this high-resolution laser hologram without loss (that is, to maintain the definition of high-density fine stripes).

Transparent holographic hot stamping technology:
Traditional holographic products generally use aluminum plating to increase the holographic diffraction effect and are opaque. Transparent holographic products are the continuous evaporation of a higher refractive index transparent medium material on one side of the plastic film molded hologram, and the reproduction angle of the hologram is exactly equal to the total reflection angle formed by the two media. Since both the plastic film and the dielectric film are transparent, this is a truly "transparent" laser holographic film. Moreover, the hologram reproduction skillfully uses the total reflection phenomenon generated when light enters the light dense medium from the light dense medium, so the reproduced hologram is still gorgeous and shining. Application: Transparent holographic transfer (such as Red Great Hall of the People, Red Five Bulls, etc.) and transparent hot stamping technology (such as Changbai Mountain brand cigarettes) are more commonly used on cigarette packs.

Hot stamping technology:
The general hot stamping is performed after printing is completed, and the hot stamping technology is hot stamping before printing, and then printing on the hot stamped hologram to achieve the combination of holography and printing to achieve the visual effect brought by 2D / 3D .

Holographic cold foil technology:
Cold bronzing is relative to hot bronzing. It is a method of transferring bronzing foil to the printing material using glue. No hot template or hot roller is used in the whole transfer process, which has the advantages of fast speed and high efficiency. In the past 5-10 years, only a few companies have applied this technology to business. In recent years, this technology has been used on a few domestic cigarette packs, such as Nanjing brand cigarettes.

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