Title:
印刷物、印刷版および印刷物の製造方法
Document Type and Number:
Japanese Patent JP7238355
Kind Code:
B2
Abstract:
To provide a printed matter with double counterfeit prevention effect by having counterfeit prevention functionality combining fine lines and a hologram, which enables characters or a pattern to be visually recognized from a top face, the characters or the pattern being capable of being recognized as a hologram from the top face but being difficult to visually recognize by irradiating a rear face with light from a light source.SOLUTION: A printed matter comprises: a polarization layer part having a plurality of irregular patterns which are not constant in height or depth on one surface of a first substrate; and a printed part which has fine printing lines formed of at least photochromic ink on one surface of a second substrate. The polarization layer part and the printed part are bonded to each other via an adhesive material layer.SELECTED DRAWING: Figure 3
Inventors:
Reiko Ueda
Application Number:
JP2018215362A
Publication Date:
March 14, 2023
Filing Date:
November 16, 2018
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
International Classes:
B41M3/14; B41C1/18; B41F3/20; B41M3/06; B41N1/06; B42D25/328; B42D25/391
Domestic Patent References:
| JP2008547040A | ||||
| JP2015063036A | ||||
| JP2008203801A | ||||
| JP2010258381A | ||||
| JP2018051993A |
Foreign References:
| WO2018025775A1 | ||||
| WO2014199832A1 |
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