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:
Nov. 11, 1986
Filed:
Oct. 07, 1983
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrials Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360113 ;
Abstract
In a magnetoresistive (MR) effect head, electrodes for supplying a current to an MR element and a bias current conductor are not exposed at a contact surface of the MR head which is brought into sliding contact with a magnetic recording medium, thus preventing surface roughening of the contact surface.