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.

Date of Patent:
Aug. 29, 2017

Filed:

Sep. 16, 2016
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;

Inventors:

Tomoko Taguchi, Tokyo, JP;

Tomomi Funayama, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); G11B 5/39 (2006.01); G11B 5/60 (2006.01); G11B 5/17 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3909 (2013.01); G11B 5/1278 (2013.01); G11B 5/17 (2013.01); G11B 5/6082 (2013.01);
Abstract

According to one embodiment, a magnetic recording head includes an air bearing surface, a magnetic core including a main magnetic pole and a write shield arranged to face the main magnetic pole with a write gap, a coil, and a high-frequency oscillator provided between the main magnetic pole and the write shield in the write gap. The magnetic core includes an opposite surface facing a film surface of the high-frequency oscillator, a magnetic layer, and a nonmagnetic layer in which magnetic microparticles are dispersed. The nonmagnetic layer is provided outside the magnetic layer in at least a part of the opposite surface of the magnetic core.


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