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.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Mar. 23, 2022
Sony Group Corporation, Tokyo, JP;
Minoru Kikuchi, Tokyo, JP;
Yoko Sekiguchi, Tokyo, JP;
SONY GROUP CORPORATION, Tokyo, JP;
Abstract
Provided is an optical recording medium capable of suppressing sticking between the optical recording mediums in a case where a plurality of optical recording mediums are superimposed on each other. The optical recording medium includes an optical recording medium main body having a first surface and a second surface, and a first convex structure layer provided on the first surface. The first convex structure layer has a surface provided with a plurality of first convexities, and includes first particles and a first resin material. The plurality of first convexities are formed by a part of the first particles included in the first convex structure layer, the part of the first particles protruding from the surface of the first convex structure layer.