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Title:
FORGERY PREVENTIVE PRINTED MATTER
Document Type and Number:
Japanese Patent JP2015136879
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a forgery preventive printed matter that includes an image completely invisible with transmitted light and that can be easily manufactured.SOLUTION: The forgery preventive printed matter has a printed pattern in at least a part of chromatic substrate having light-transmitting property, the printed pattern including at least a first printed region formed of a chromatic permeable ink that comprises a coloring material and a permeable component and has the same color phase as that of the substrate and a hue with a lower lightness than the hue of the substrate. The first printed region is formed of a chromatic permeable ink comprising a coloring material and a permeable component. With reflected light, the first printed region shows a different hue from that of substrate because of the difference in lightness, and thereby, is visible as discriminated from the substrate. With transmitted light, the first printed region exhibits the same color as that of the substrate, and thereby the first printed region is invisible as a discriminated region.

Inventors:
MORINAGA TADASHI
FUJISAWA NAOKO
Application Number:
JP2014010183A
Publication Date:
July 30, 2015
Filing Date:
January 23, 2014
Export Citation:
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Assignee:
NAT PRINTING BUREAU
International Classes:
B41M3/14; B42D25/378; G07D7/12
Domestic Patent References:
JP2012121219A2012-06-28
JP2012223905A2012-11-15
JP2012025093A2012-02-09
JP2011143669A2011-07-28