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:
Jul. 31, 2012
Filed:
Jun. 21, 2010
Kenkichi Anagawa, Toyko, JP;
Katsuki Kurihara, Toyko, JP;
Takeo Kagami, Toyko, JP;
Kei Hirata, Toyko, JP;
Minoru Ota, Toyko, JP;
Kenkichi Anagawa, Toyko, JP;
Katsuki Kurihara, Toyko, JP;
Takeo Kagami, Toyko, JP;
Kei Hirata, Toyko, JP;
Minoru Ota, Toyko, JP;
TDK Corporation, Tokyo, JP;
Abstract
A main magnetic-pole layer is provided with, at the tip end portion thereof, a trailing shied on the trailing side via a non-magnetic gap layer, and the non-magnetic gap layer includes therein one or more magnetic layers. This magnetic layer appropriately controls the amount of magnetic fluxes coming from the tip end portion of the main magnetic-pole layer for capturing into the trailing shield because the magnetic fluxes coming from the tip end portion of the main magnetic-pole layer go through the magnetic layer before being captured into the trailing shield.