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:
May. 31, 2016
Filed:
Aug. 04, 2015
Hgst Netherlands B.v., Amsterdam, NL;
Yuta Udo, Kanagawa, JP;
Mikito Sugiyama, Kanagawa, JP;
Katsuro Watanabe, Ibaraki, JP;
Masashi Hattori, Kanagawa, JP;
Nobuo Yoshida, Kanagawa, JP;
Kimitoshi Etoh, Kanagawa, JP;
HGST Netherlands B.V., Amsterdam, NL;
Abstract
In one embodiment, a magnetic recording head includes: a main pole configured to generate a magnetic field for recording data on a magnetic recording medium; an oscillation device positioned above the main pole in a track direction, the oscillation device being configured to generate a high-frequency magnetic field; a magnetic capping layer positioned above the oscillation device in the track direction, the magnetic layer having a front region at a media facing side (MFS) of the magnetic recording head and a rear region positioned behind the front region in an element height direction, wherein a thickness of the front region of the magnetic capping layer is less than a thickness of the rear region thereof; and a trailing shield positioned above the magnetic capping layer in the track direction.