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:
Dec. 31, 2013
Filed:
Feb. 26, 2013
Tdk Corporation, Tokyo, JP;
Masahiro Saito, Tokyo, JP;
Norikazu Ota, Tokyo, JP;
Masaya Kato, Tokyo, JP;
Atsushi Matsuo, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A write shield includes first and second shield portions located on opposite sides of a main pole in a track width direction. A return path section includes first and second yoke portions located on opposite sides of the main pole in the track width direction. A coil surrounds at least part of the entire outer periphery of the main pole when viewed from a medium facing surface. The coil includes a first magnetic portion located in a first space between the main pole and the first yoke portion, and a second magnetic portion located in a second space between the main pole and the second yoke portion. The first and second magnetic portions are made of a magnetic conductive material.