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:
Oct. 21, 2014
Filed:
Dec. 07, 2012
Tdk Corporation, Tokyo, JP;
Norikazu Ota, Tokyo, JP;
Masahiro Saito, Tokyo, JP;
Taro Oike, Tokyo, JP;
Takeo Kagami, Tokyo, JP;
Yosuke Antoku, Tokyo, JP;
Kenkichi Anagawa, Tokyo, JP;
Kenta Hara, Tokyo, JP;
Tetsuro Sasaki, Tokyo, JP;
Shingo Miyata, Tokyo, JP;
Katsuki Kurihara, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A magnetic head includes a main pole, a write shield, and a return path section. The write shield includes first and second shield portions located on opposite sides of the main pole in the track width direction. The return path section includes first and second yoke portions located on opposite sides of the main pole in the track width direction. The first yoke portion is connected to the first shield portion. The second yoke portion is connected to the second shield portion. A coil surrounds at least part of the entire outer periphery of the main pole when viewed from a medium facing surface.