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:
Apr. 01, 1997
Filed:
Apr. 28, 1995
Applicant:
Inventors:
Takashi Ogura, Daito, JP;
Minoru Kume, Kadoma, JP;
Assignee:
Sanyo Electric Co., Ltd., Moriguchi, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360113 ; 360125 ; 360126 ; 428692 ; 428693 ; 428704 ; 428900 ;
Abstract
A magnetic thin film head includes a soft magnetic alloy thin film having in a composition expressed by the formula Fe.sub.X N.sub.Y O.sub.Z, wherein each of X, Y and Z represents an atomic composition ratio, and preferably having four phases including an iron oxide expressed as Fe.sub.2 O.sub.3, iron nitrides expressed as Fe.sub.4 N and Fe.sub.3 N respectively, and .alpha.-Fe. X, Y and Z appearing in the composition formula are preferably in the following relations: