Title:
PRINTED OBJECT
Document Type and Number:
WIPO Patent Application WO/2021/049381
Kind Code:
A1
Abstract:
A printed object 100 comprises a substrate 10 and a first information code disposed on the substrate 10, wherein: the first information code is constituted of an infrared ray-absorptive ink layer 11 that has been printed with an infrared ray absorptive ink; and the infrared ray absorptive ink layer 11 is configured such that, when a laminated body constituted of a test substrate made of the same material as that of the substrate 10, and a test infrared absorptive ink layer made of the same material as that of the infrared ray absorptive ink layer 11 and disposed on the test substrate is subjected to a relative spectral reflectivity measurement on the test infrared ray absorptive ink layer side, with the test substrate as the reference (100% reflectivity), the minimum relative reflectivity in the visible region is 50% or higher, and the minimum relative reflectivity in the infrared region is 75% or lower.
Inventors:
TERADA AKIRA (JP)
KOBAYASHI FUMIHITO (JP)
KARINO MASAHIRO (JP)
KOBAYASHI FUMIHITO (JP)
KARINO MASAHIRO (JP)
Application Number:
PCT/JP2020/033145
Publication Date:
March 18, 2021
Filing Date:
September 01, 2020
Export Citation:
Assignee:
KYODO PRINTING CO LTD (JP)
International Classes:
G06K19/06; B41M3/14; B42D25/382; C09D11/322; C09D11/50
Domestic Patent References:
| WO2016121801A1 | 2016-08-04 |
Foreign References:
| JPH0770496A | 1995-03-14 | |||
| JP2017035796A | 2017-02-16 |
Other References:
See also references of EP 4030344A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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