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. 15, 1994
Filed:
Jan. 22, 1993
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360126 ;
Abstract
A magnetic head having a pair of magnetic core halves, at least one of which is formed of a magnetic oxide material portion, a winding groove and a magnetic metal thin film formed on a surface having the winding groove of the magnetic oxide material portion, which are abutted so that a magnetic gap is formed on an abutment surface of the magnetic metal thin film, wherein an entire surface of the winding groove is slanted with angles of 0.degree. to 60.degree. with respect to gap surfaces constituting the magnetic gap.