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:
Mar. 31, 2015
Filed:
Jul. 17, 2013
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Inventors:
Kazutaka Takizawa, Kawasaki, JP;
Akira Watanabe, Kawasaki, JP;
Kaori Kimura, Yokohama, JP;
Tsuyoshi Onitsuka, Hino, JP;
Takeshi Iwasaki, Inagi, JP;
Masahiro Takashita, Kawasaki, JP;
Akihiko Takeo, Kokubunji, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/65 (2006.01); G11B 5/72 (2006.01); G11B 5/855 (2006.01);
U.S. Cl.
CPC ...
G11B 5/72 (2013.01); G11B 5/855 (2013.01);
Abstract
According to one embodiment, there is provided a magnetic recording medium which includes a base, a magnetic recording layer having convex-shaped magnetic layers, which is formed on the base, and a protective film formed on the magnetic recording layer. There are gaps in a region surrounded by the protective film, the surface of the base, and each side wall of each magnetic layer.