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, 1992
Filed:
Oct. 11, 1990
Applicant:
Inventors:
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
360103 ; 360126 ; 360120 ; 360113 ;
Abstract
A floating type magnetic head using a magnetic core comprising a main magnetic circuit constituted with an oxide magnetic material and a thin metallic magnetic film constituting an auxiliary magnetic circuit formed at least on the side of the magnetic gap portion and having the track width of not greater than 16 .mu.m, wherein the hard axis of magnetization for the metallic magnetic film is directed to the direction of the gap depth.