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. 30, 1998
Filed:
Mar. 25, 1997
Applicant:
Inventors:
Yasufumi Uno, Minamisaku-gun, JP;
Kiyosumi Kanazawa, Miyotamachi, JP;
Masato Takahashi, Usudamachi, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360113 ;
Abstract
A central active area includes a MR film, a nonmagnetic spacer film and a soft magnetic film with the MR film constituting the lowermost layer on top of a supporting body, the nonmagnetic spacer film laminated on top of the MR film and the soft magnetic film laminated on top of the nonmagnetic spacer film to provide a lateral bias field to the MR film. A magnetic transducer and a thin film magnetic head with which the main peak width in the off track characteristics can be increased and, consequently, the margin can be increased are provided.