The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 19, 2024

Filed:

Dec. 18, 2020
Applicant:

Sony Group Corporation, Tokyo, JP;

Inventors:

Hirohisa Amago, Tokyo, JP;

Hiroshi Mizuno, Tokyo, JP;

Yuriko Kaino, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/42 (2006.01); B41M 5/323 (2006.01); B41M 5/34 (2006.01); B41M 5/44 (2006.01); B41M 5/30 (2006.01);
U.S. Cl.
CPC ...
B41M 5/42 (2013.01); B41M 5/323 (2013.01); B41M 5/34 (2013.01); B41M 5/443 (2013.01); B41M 5/305 (2013.01); B41M 2205/04 (2013.01); B41M 2205/28 (2013.01); B41M 2205/40 (2013.01);
Abstract

A recording medium according to an embodiment of the present disclosure includes: a recording layer including a leuco dye as a coloring compound; a first barrier film that is provided on each of one surface and another surface opposed to the one surface of the recording layer, and suppresses intrusion of moisture, oxygen, or both; and a second barrier film having chemical resistance and provided on a side surface of the recording layer continuously at least from a peripheral part of the one surface to a peripheral part of the other surface of the recording layer.


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