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Anti-fake mark with multilayered invisible patterns

An anti-counterfeiting mark and pattern technology, applied in the field of anti-counterfeiting, can solve the problem of high process requirements, achieve the effect of good anti-counterfeiting effect and short development cycle

Inactive Publication Date: 2010-04-14
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technical solution of this patent utilizes the overlapping of patterns to produce Moiré phenomenon for anti-counterfeiting, which requires relatively high printing process

Method used

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  • Anti-fake mark with multilayered invisible patterns
  • Anti-fake mark with multilayered invisible patterns
  • Anti-fake mark with multilayered invisible patterns

Examples

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Embodiment Construction

[0034] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] figure 1 It is a cross-sectional structure diagram of an embodiment of the present invention. like figure 1 As shown, the tiny pattern elements (hereinafter abbreviated as coating 1) of the coating 1 (such as red coating) printed on the upper surface of the transparent medium p constitute the first pattern (such as Figure 8 Shown in (1), the tiny pattern elements (hereinafter abbreviated as coating 2) of the coating 2 on the lower surface form the second pattern (such as Figure 8 (2)), the tiny pattern elements of the coating 4 (such as the blue coating) in the middle of the transparent medium (hereinafter referred to as coating 4) constitute the third pattern ...

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Abstract

The invention discloses an anti-fake mark with multilayered invisible patterns. The mark comprises a transparent medium and nontransparent coating layers which are respectively printed on the upper surface, the lower surface and the inside of the transparent medium, the nontransparent coating layers on the upper surface and the lower surface are patterns consisting of pattern elements which are arranged at intervals and have the same length, the transparent medium comprises an upper portion and a lower portion which are bonded mutually, one surface of each of the two portions is wave or zigzag-shaped while the other surface thereof is planar, one surface of the upper portion which is wave or zigzag-shaped is coincident with one surface of the lower portion which is wave or zigzag-shaped, the nontransparent coating layer on the inside is a pattern consisting of pattern elements which are arranged on the surface in the shape of wave or zigzag and face towards the same direction, and projections of all the pattern elements of the nontransparent coating layer on the upper surface and projections of all the pattern elements of the nontransparent coating layer on the inside can form a complete pattern. The anti-fake mark can effectively prevent copying or scanning, can be distinguished with naked eyes, and is fine in anti-fake effect and short in development cycle.

Description

technical field [0001] The invention relates to the field of anti-counterfeiting, in particular to a multi-layer invisible pattern anti-counterfeiting mark. Background technique [0002] Counterfeiting and counterfeiting illegal activities have a long history and are the product of market economic competition. Counterfeiters confuse the authenticity of goods by forging documents, products and their outer packaging, and even forging "anti-counterfeiting" labels. It is imminent to research and develop new anti-counterfeiting technologies, especially the development of safe anti-counterfeiting technologies that are difficult to copy and easy to identify. Anti-counterfeiting technology is an ancient research topic. With the increasing prosperity of the market economy and the continuous development of science and technology, it has become a new and changing research field. It integrates chemistry, biology, physics, materials Science, nuclear technology, communication technology,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F3/02
Inventor 王道顺贾斌李顺东陈渝
Owner TSINGHUA UNIV
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