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. 16, 2014
Filed:
Sep. 19, 2013
Hgst Netherlands B.v., Amsterdam, NL;
Hisashi Kimura, Odawara, JP;
Kazuhiko Hosomi, Fujisawa, JP;
Kimitoshi Etoh, Odawara, JP;
Mikito Sugiyama, Odawara, JP;
HGST Netherlands B.V., Amsterdam, NL;
Abstract
In one embodiment, a magnetic head includes a main pole configured to emit a recording magnetic field for affecting a magnetic medium, the main pole serving as a first electrode and having a front portion at an air bearing surface (ABS) of the magnetic head and a rear portion extending from the front portion in an element height direction perpendicular to the ABS, wherein an upper surface of the main pole has a step transitioning from the front portion to the rear portion, a conductive layer positioned above the main pole, the conductive layer serving as a second electrode, a microwave oscillator positioned between the main pole and the conductive layer at the ABS of the Magnetic head and extending beyond the step in the element height direction, and a current confinement layer positioned between the microwave oscillator and the rear portion of the main pole.