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:
Jun. 17, 2014

Filed:

Sep. 05, 2013
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Takuya Matsumoto, Ome, JP;

Kenichiro Yamada, Tokyo, JP;

Masayuki Takagishi, Kunitachi, JP;

Katsuhiko Koui, Yokohama, JP;

Hitoshi Iwasaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to one embodiment, a magnetic head includes a main pole configured to apply a recording magnetic field to a recording layer of a recording medium, a return pole opposed to the main pole with a write gap therebetween, and a high-frequency oscillator between respective facing surfaces of the main pole and the return pole and configured to produce a high-frequency magnetic field. At least one of the main and return poles faces the high-frequency oscillator and includes a laminated structure portion includes a magnetic layer and a nonmagnetic layer laminated to one another.


Find Patent Forward Citations

Matsumoto, Takuya. (2014). Magnetic head pole including laminated structure having magnetic and nonmagnetic layers (U.S. Patent No. 8755147). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8755147

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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