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.

Date of Patent:
Nov. 04, 1980

Filed:

Jun. 29, 1977
Applicant:
Inventors:

Akira Terada, Mito, JP;

Seizi Hattori, Tomobe, JP;

Yoshikazu Ishii, Mito, JP;

Akira Nohara, Mito, JP;

Nobuo Inagaki, Katsuta, JP;

Wakatake Matsuda, Zama, JP;

Susumu Kawakami, Tama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
428 64 ; 2041 / ; 427130 ; 428539 ; 428900 ;
Abstract

A method of roducing .gamma.-Fe.sub.2 O.sub.3 magnetic disk medium of continuous thin film is provided, in which a deposition source is deposited on an opposed Al-alloy substrate by means of a reactive vacuum deposition technique and the deposited film is thermally treated so as to be the magnetic disk medium. As the deposition source, a ferroalloy containing about 1 to 10 at.% Ti and about 0.5 to 5 at.% Co is employed.


Find Patent Forward Citations

Terada, Akira. (1980). Method of producing magnetic thin film (U.S. Patent No. 4232071). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4232071

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

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