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:
Aug. 08, 2000
Filed:
Dec. 05, 1996
Applicant:
Inventors:
Atsushi Matsuzono, Kanagawa, JP;
Hiroshi Takino, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360113 ;
Abstract
A thin film magnetic head has a main magnetic pole piece, a magnetoresistance effect element, a bias layer giving a bias magnetic field to the magnetoresistance effect element, an auxiliary magnetic pole piece and an insulating layer leaving a space between the main magnetic pole piece and the auxiliary magnetic pole piece, the main magnetic pole piece is almost disposed in parallel with the magnetoresistance effect element, a distance between the main magnetic pole piece and the magnetoresistance effect element is selected from 1 nm to 1 .mu.m.