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Laser anti-counterfeit label and manufacturing method thereof

A technology of laser anti-counterfeiting and production methods, which is applied to stamps, instruments, identification devices, etc., to achieve the effects of increasing difficulty, precise control of bonding process conditions, and improving anti-counterfeiting effects

Inactive Publication Date: 2020-12-11
北京中金国衡收藏钱币鉴定评级有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the tamper-evident laser image anti-counterfeiting label also has technical bottlenecks, and the tamper-evident laser image anti-counterfeiting label has not completely solved the problem that the anti-counterfeiting label is easy to be removed and replaced as a whole

Method used

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  • Laser anti-counterfeit label and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] figure 1 It is a structural schematic diagram of the laser anti-counterfeiting label in Embodiment 1 of the present invention. Such as figure 1 As shown, Embodiment 1 of the present invention provides a laser anti-counterfeiting label, which is characterized in that it includes a PET layer 1 arranged from top to bottom and closely connected to each other, a release layer 2, an information layer 3, a metal layer 4 and A connection layer 5, the connection layer 5 is a hot melt adhesive layer; the hot melt adhesive layer is used for bonding with the box body. The metal layer 4 is preferably an aluminum layer or an anodized aluminum foil.

[0043] The laser anti-counterfeiting label uses the principle of laser interference, and the laser anti-counterfeiting label contains a laser hologram, which is made by using the method of spatial frequency encoding. Laser holograms have the characteristics of eye-catching colors, clear layers, vivid and lifelike images, changeable op...

Embodiment 2

[0071] The difference between this embodiment and embodiment 1 lies in that: the connection layer is an underlayment layer. The bottom lining layer is connected with the box body by ultrasonic welding.

[0072] A method for making a laser anti-counterfeit label provided in Embodiment 2 of the present invention is as follows:

[0073] Step S11, making a laser holographic plate. This step is the key technology for the production of laser holographic marks, and the laser holographic plate is processed through laser imaging twice. In this way, the production of the content on the information layer 3 is completed. This holographic mark can be a separate trademark pattern, or a pattern that matches the packaging pattern.

[0074] Step S12, making a holographic anodized aluminum foil. The anodized aluminum foil is the carrier of the image, and the anodized aluminum foil includes a base layer, a heat-sensitive layer, an aluminized layer and an adhesive layer. The base layer of th...

Embodiment 3

[0086] The difference between this embodiment and embodiment 1 is:

[0087] The hot melt adhesive layer in the connection layer 5 is provided with two independent regions, and the hot melt adhesive layers in different regions are mixed with irreversible thermochromic pigments and reversible thermochromic pigments respectively. The hot melt adhesive layer in the first area is mixed with irreversible thermochromic pigments, and the hot melt adhesive layer in the second area is mixed with reversible thermochromic pigments. When the laser anti-counterfeiting label provided in this embodiment is thermally pressed on the printed matter or the packing box, the hot melt adhesive will bond the laser anti-counterfeiting label to the printed matter or the packing box. At the same time, the irreversible thermochromic pigments mixed in the hot melt adhesive layer in the first region begin to change color under the effect of temperature change, which is irreversible. Therefore, the operato...

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Abstract

The invention relates to the technical field of anti-counterfeit labels, in particular to a laser anti-counterfeit label. The laser anti-counterfeit label comprises a PET layer, a release layer, an information layer, a metal layer and a connecting layer which are arranged from top to bottom and are close to one another, and the connecting layer is a bottom lining layer or a hot melt adhesive layer; when the connecting layer is the bottom lining layer, the bottom lining layer is connected with a box body through ultrasonic welding; and when the connecting layer is the hot melt adhesive layer, the hot melt adhesive layer is used for being bonded with the box body. The invention further provides a manufacturing method of the laser anti-counterfeit label. Compared with the prior art, the laseranti-counterfeit label has the advantages that the laser anti-counterfeit label can be firmly and completely connected to a packaged piece and is integrated with the packaged piece. The condition control of the bonding process of the laser anti-counterfeiting label is relatively precise, and the difficulty of using the anti-counterfeiting label by a counterfeiter is increased, so that the anti-counterfeiting effect is further improved. In addition, the thermochromic pigment arranged on the connecting layer can play an auxiliary anti-counterfeiting role.

Description

technical field [0001] The invention relates to the technical field of anti-counterfeiting labels, in particular to a laser anti-counterfeiting label and a manufacturing method of the laser label. Background technique [0002] The most common and widely used laser anti-counterfeiting label on the market is the self-adhesive laser image anti-counterfeiting label. The self-adhesive laser image anti-counterfeiting label has the characteristics of low production cost and easy use, but it has to be admitted that it is not The advantages of dry glue type laser image anti-counterfeiting labels are also its disadvantages. The disadvantages are that the cost of imitation is low, it is easy to be replaced, the durability is poor, and the service life is short. [0003] In order to overcome the defects of self-adhesive laser image anti-counterfeiting labels, those skilled in the art have successively developed another anti-tamper type laser image anti-counterfeiting label, which largel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F3/02G09F3/10
CPCG09F3/0294G09F3/10
Inventor 鲁超明王宝清张晨光
Owner 北京中金国衡收藏钱币鉴定评级有限公司