Forged prevention paper - Toppan Printing Co., Ltd.

Title:

Forged prevention paper

Document Type and Number:

Japanese Patent JP6213465

Kind Code:

B2

Abstract:

An anti-counterfeit paper including an intermediate layer (2) enclosed in a paper layer was produced such that the intermediate layer (2) is composed of a base material which is transparent and has a uniform thickness of 6 µm to 200 µm, and at least a portion of at least one surface of the intermediate layer (2) has minute irregularities (3) varying from place to place and having a difference in height in the range of 10 nm to 700 nm and an aspect ratio in the range of 0.5 to 10, and a reflection layer is provided on at least a portion of a surface in contact with the minute irregularities (3).

Inventors:

Honor Ide

Application Number:

JP2014521408A

Publication Date:

October 18, 2017

Filing Date:

June 13, 2013

Export Citation:

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