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:
Jun. 13, 2006
Filed:
Sep. 30, 2003
Naoto Matono, Saku, JP;
Norikazu Ota, Tokyo, JP;
Yuichi Watabe, Tokyo, JP;
Susumu Aoki, Tokyo, JP;
Yasuyuki Notsuke, Tokyo, JP;
Naoto Matono, Saku, JP;
Norikazu Ota, Tokyo, JP;
Yuichi Watabe, Tokyo, JP;
Susumu Aoki, Tokyo, JP;
Yasuyuki Notsuke, Tokyo, JP;
TDK Corporation, Tokyo, JP;
SAE Magnetics (H.K.) Ltd., Hong Kong, CN;
Abstract
A thin film magnetic head which has a thin film coil for generating a magnetic flux and a magnetic pole layer for emitting the magnetic flux generated by the thin film coil toward a recording medium. The magnetic pole layer having a stacked structure including a main magnetic pole layer, an auxiliary magnetic pole layer, and a non-magnetic pole layer. The main magnetic pole layer is disposed so as to be exposed in a recording medium facing surface which faces the recording medium. The auxiliary magnetic pole layer has one end face recessed from the recording medium facing surface and which is disposed so as to face a part of the main magnetic pole layer. The non-magnetic layer is disposed so as to be sandwiched between the main magnetic pole layer and the auxiliary magnetic pole layer.