Bronzing film and its manufacturing process, decoding film and its manufacturing process, anti-counterfeiting decoding method
A production process and a technology for decoding films, which are applied in the fields of anti-counterfeiting decoding, decoding films and their production processes, bronzing films and their production processes, and can solve problems such as counterfeiting of anti-counterfeiting information.
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Embodiment 1
[0024] Such as figure 1 Shown, a kind of manufacturing process of bronzing film comprises:
[0025] Step S1: Coating a release layer and a blank information layer on the base film layer;
[0026] Step S2: Burn anti-counterfeiting information on the photoresist, the anti-counterfeiting information is composed of images, characters or letters smaller than 0.1 μm, and then make a molded plate by electroforming, and use the molded plate to carry out molded transfer on the blank information layer The burned anti-counterfeiting information forms an anti-counterfeiting information layer;
[0027] Step S3: forming a vacuum aluminized layer on the surface of the anti-counterfeiting information layer by vacuum aluminizing;
[0028] Step S4: forming a hot-melt pressure-sensitive adhesive layer on the surface of the vacuum aluminized layer.
[0029] Since the resolution of the human eye is much greater than 0.1 μm, the anti-counterfeiting information formed will not be recognized, and ...
Embodiment 2
[0033] A bronzing film, which is produced by the manufacturing process of the bronzing film provided in Example 1. The bronzing film has hidden anti-counterfeiting information, and the special hidden anti-counterfeiting effect will be displayed only through the matching decoding film.
Embodiment 3
[0035] The invention discloses a manufacturing process of a decoding sheet. According to the anti-counterfeiting information, pressure rollers are made, UV glue is coated on the decoding base film material, and UV light radiation is cured when pasting and passing through the pressure rollers. The decoded sheet made is the decoded sheet matched with the bronzing film in the second embodiment, and the anti-counterfeiting information is the same as the anti-counterfeiting information in the first embodiment. According to the anti-counterfeiting information, the production of the pressure roller is as follows: the data L is obtained according to the period information of the anti-counterfeiting information, and the lens diameter R of a dilated hemisphere can be obtained according to the data L at 1:1, and the focal length r of the lens is calculated according to the lens diameter R, so as to make the pressure roller Roller; the thickness of the UV glue coating is greater than 1 / 2R....
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