Title:
MICROSTRUCTURE DETECTION BASED ANTI-COUNTERFEITING PAPER PRODUCT, AND MANUFACTURING METHOD AND AUTHENTICATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/191520
Kind Code:
A1
Abstract:
An anti-counterfeiting paper product and a manufacturing method and an authentication method therefor. A covering layer is provided on at least one region (11, 21, 31) of the surface of a paper product, and the covering layer, when illuminated by light, enhances the visibility of microstructure features on said region (11, 21, 31). The anti-counterfeiting paper product has a high anti-counterfeiting performance, and has the advantages of easy production and low costs.
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Inventors:
XIE HUI (CN)
GAO YU (CN)
YAN YULONG (CN)
GAO YU (CN)
YAN YULONG (CN)
Application Number:
PCT/CN2019/079225
Publication Date:
October 01, 2020
Filing Date:
March 22, 2019
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
XIE HUI (CN)
GAO YU (CN)
YAN YULONG (CN)
XIE HUI (CN)
GAO YU (CN)
YAN YULONG (CN)
International Classes:
G07D7/20; B42D15/00; G07D7/00; G07D7/12
Domestic Patent References:
| WO2014124829A1 | 2014-08-21 |
Foreign References:
| CN102982606A | 2013-03-20 | |||
| CN103761799A | 2014-04-30 | |||
| CN102063758A | 2011-05-18 | |||
| JP2013061201A | 2013-04-04 |
Attorney, Agent or Firm:
NTD PATENT AND TRADEMARK AGENCY LTD. (CN)
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