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:
Feb. 14, 2023
Filed:
May. 08, 2019
Applicant:
Kobe Steel, Ltd., Kobe, JP;
Inventor:
Yuki Tauchi, Kobe, JP;
Assignee:
Kobe Steel, Ltd., Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/243 (2013.01); C23C 14/08 (2006.01); G11B 7/0045 (2006.01);
U.S. Cl.
CPC ...
G11B 7/243 (2013.01); C23C 14/08 (2013.01); G11B 7/0045 (2013.01); G11B 2007/24304 (2013.01);
Abstract
A recording layer for an optical data recording medium according to one embodiment of the present invention makes it possible to record an information signal by irradiation with laser beam. The recording layer for an optical data recording medium comprises metal oxides including a Mn oxide, a W oxide, and a Sn oxide. The atomic ratio of Mn with respect to the total number of atoms of metal elements constituting the metal oxides is 3-40 atm %.