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:
Jan. 03, 2023

Filed:

Feb. 09, 2021
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Rie Kojima, Okayama, JP;

Akio Tsuchino, Okayama, JP;

Kazuki Aita, Okayama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2013.01); G11B 7/24038 (2013.01); G11B 7/24053 (2013.01); G11B 7/24067 (2013.01); G11B 7/2433 (2013.01); G11B 7/2578 (2013.01); G11B 7/26 (2006.01); G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
G11B 7/24038 (2013.01); G11B 7/2433 (2013.01); G11B 7/24053 (2013.01); G11B 7/24067 (2013.01); G11B 7/2578 (2013.01); G11B 7/26 (2013.01); G11B 2007/0013 (2013.01);
Abstract

An information recording medium and a method for producing the same according to the present disclosure are configured to have an information layer in which a larger amount of light for reproduction can be obtained, so that the medium is suitable for recording information at high recording density and is useful for a multi-layer optical disc that records a large amount of contents.


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