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:
Sep. 18, 2012
Filed:
Sep. 16, 2008
Tomomi Funayama, Tokorozawa, JP;
Kenichiro Yamada, Tokyo, JP;
Masayuki Takagishi, Kunitachi, JP;
Masahiro Takashita, Yokohama, JP;
Mariko Shimizu, Yokohama, JP;
Junichi Akiyama, Kawasaki, JP;
Hitoshi Iwasaki, Yokosuka, JP;
Tomomi Funayama, Tokorozawa, JP;
Kenichiro Yamada, Tokyo, JP;
Masayuki Takagishi, Kunitachi, JP;
Masahiro Takashita, Yokohama, JP;
Mariko Shimizu, Yokohama, JP;
Junichi Akiyama, Kawasaki, JP;
Hitoshi Iwasaki, Yokosuka, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
It is made possible to provide a magnetic head that generates a sufficient high-frequency magnetic field for assisting recording operations, and a magnetic recording device that includes the magnetic head. A magnetic head includes: a recording magnetic pole; a return yoke magnetically coupled to the recording magnetic pole; and at least two spin torque oscillators provided near the recording magnetic pole.