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:
Jun. 18, 2013
Filed:
Feb. 29, 2012
Applicants:
Akihiko Takeo, Kunitachi, JP;
Masahiro Takashita, Kawasaki, JP;
Inventors:
Akihiko Takeo, Kunitachi, JP;
Masahiro Takashita, Kawasaki, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one embodiment, a recording head includes a main pole configured to apply a recording magnetic field to a recording medium, a trailing shield opposed to the main pole with a gap therebetween, a spin-torque oscillator at least a part of which is located between the main pole and the trailing shield and configured to apply a high-frequency magnetic field to the recording medium, and an auxiliary oscillator configured to apply an auxiliary magnetic field to the spin-torque oscillator.