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:
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.