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:
Dec. 22, 2015
Filed:
Feb. 12, 2015
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Inventors:
Katsuhiko Koui, Yokohama, JP;
Shuichi Murakami, Tokyo, JP;
Assignee:
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); G11B 5/31 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/314 (2013.01); G11B 2005/0024 (2013.01);
Abstract
According to one embodiment, a magnetic head includes a spin-torque oscillator which further includes a non-magnetic separation seed layer formed directly on a main magnetic pole and containing an element selected from W, Re, Os and Ir, an SIL, an IL and FGL formed one on another in this order.