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. 02, 2013
Filed:
Jul. 29, 2008
Tsutomu Chou, Tokyo, JP;
Yoshihiro Tsuchiya, Tokyo, JP;
Shinji Hara, Tokyo, JP;
Daisuke Miyauchi, Tokyo, JP;
Takahiko Machita, Tokyo, JP;
Tsutomu Chou, Tokyo, JP;
Yoshihiro Tsuchiya, Tokyo, JP;
Shinji Hara, Tokyo, JP;
Daisuke Miyauchi, Tokyo, JP;
Takahiko Machita, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A thin film magnetic head including an MR laminated body composed of a first and second MR magnetic layers, first and second shield layers, and a bias magnetic field application layer provided on an opposite side of an air bearing surface (ABS) of the MR laminated body in order to apply a bias magnetic field orthogonal relative to the ABS. The first shield layer includes a first exchange coupling magnetic field application layer and a first antiferromagnetic layer; and the second shield layer includes a second exchange coupling magnetic field application layer and a second antiferromagnetic layer.