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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.:

US 4953050 B1

PDFFull Text
Date of Patent:
Aug. 28, 1990

Filed:

Jan. 10, 1990

Magnetic head with ru containing soft magnetic alloy in gap

Applicant:
Inventors:

Tatsuo Kumura, Miyagi, JP;

Heikichi Sato, Miyagi, JP;

Yoshiyuki Kunito, Mayagi, JP;

Yoshito Ikeda, Miyagi, JP;

Etsuo Izu, Miyagi, JP;

Masatoshi Hayakawa, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:

Hill, Van Santen, Steadman & Simpson

Primary Examiner:

David J Severin

Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360126 ; 360120 ;
Abstract

A magnetic head is disclosed which is formed by magnetic core halves constituted of an oxide magnetic material and soft magnetic thin films, wherein the boundary surfaces between the thin films and the oxide magnetic material runs substantially parallel to the gap surface in the vicinity of the magnetic gap. The soft magnetic thin films are soft magnetic thin films of the Fe-Ga-Si system consisting essentially of Fe, Ga and Si.

Find Patent Forward Citations

Kumura, Tatsuo. (1990). Magnetic head with ru containing soft magnetic alloy in gap (U.S. Patent No. 4953050). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4953050

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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