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Title:
FORGERY PREVENTION MEDIUM AND MANUFACTURING METHOD OF THE SAME
Document Type and Number:
Japanese Patent JP2015208902
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a forgery prevention medium having a latent image which is turned to be visible by a change of an observation angle by using an ink and a printing machine used in a general commercial printing, and to provide a manufacturing method of the forgery prevention medium.SOLUTION: A pattern part which is formed in an ink reception area of substrate and has a color different from the substrate and a latent image which is formed in a tweezers alignment to a background with the same shape and the same size as the pattern part on an upper or lower part of a camouflage image comprising the background part formed on the surrounding of the pattern part are laminated and arranged and, thereby, the forgery prevention medium is manufactured. In the forgery prevention medium, the latent image and the pattern part are laminated, and the background part makes the latent image visible by virtue of a difference of reflection light with respect to the same incident light under regular reflection light.

Inventors:
ISHIKAWA TAKU
UJI TOSHIO
FURUYA MAKOTO
Application Number:
JP2014091133A
Publication Date:
November 24, 2015
Filing Date:
April 25, 2014
Export Citation:
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Assignee:
NAT PRINTING BUREAU
International Classes:
B42D25/30; B41M3/14; B42D25/20
Domestic Patent References:
JP2011110745A2011-06-09
JP2011194632A2011-10-06
JP2013215953A2013-10-24
JP2013091296A2013-05-16
JP2008068511A2008-03-27
JP2011039396A2011-02-24