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:
Oct. 20, 2009
Filed:
Aug. 16, 2005
Applicants:
Morio Nakatani, Shijonawate, JP;
Satoshi Sumi, Gifu, JP;
Inventors:
Morio Nakatani, Shijonawate, JP;
Satoshi Sumi, Gifu, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/105 (2006.01);
U.S. Cl.
CPC ...
Abstract
A layered magneto-optical recording medium including a substrate and a magnetic layer. The magnetic layer includes columnar projections, which are formed on a film surface of the magnetic layer as arranged in a lengthwise direction and a crosswise direction with a pitch smaller than a wavelength of the laser light.