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. 21, 2001
Filed:
Jan. 13, 1998
Applicant:
Inventors:
Seiichi Ogata, Miyagi, JP;
Tadashi Saito, Miyagi, JP;
Teruo Inaguma, Miyagi, JP;
Shinji Takahashi, Miyagi, JP;
Yoshihiko Inoue, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/147 ;
U.S. Cl.
CPC ...
G11B 5/147 ;
Abstract
A magnetic head having optimum recording/reproducing characteristics and a method for producing the magnetic head. A pair of magnetic core halves,, each having a substrate,and a thin magnetic metal film,formed obliquely on it, are bonded together via a non-magnetic material C for defining a magnetic gap. A portion of the substrate faces a junction surface,of the magnetic core halves,. The substrate portion is arranged for facing an end face of the magnetic meta film,of the opposite side magnetic core half facing the junction surface