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.:

US 8345380 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 01, 2013

Filed:

Aug. 12, 2011
Applicants:

Yo Sato, Odawara, JP;

Keiichi Nagasaka, Isehara, JP;

Masato Shiimoto, Odawara, JP;

Masato Matsubara, Yokohama, JP;

Inventors:

Yo Sato, Odawara, JP;

Keiichi Nagasaka, Isehara, JP;

Masato Shiimoto, Odawara, JP;

Masato Matsubara, Yokohama, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

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

The present invention provides a spin torque oscillator that can realize stable oscillation and has high reliability. A laminated structure including a first magnetic layerhaving a bcc crystal structure and having in-plane magnetic anisotropy and a second magnetic layerhaving perpendicular magnetic anisotropy laminated on the first magnetic layerand including a multilayer film of Co and Ni is used.


Find Patent Forward Citations

Sato, Yo. (2013). Spin torque oscillator and magnetic recording head and magnetic recording device mounted with the spin torque oscillator (U.S. Patent No. 8345380). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8345380

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

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