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:
Dec. 02, 1986
Filed:
Jan. 30, 1985
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428694 ; 428702 ; 428900 ;
Abstract
Magnetic recording media for high density recording having a much improved coercive force comprise a non-magnetic substrate and a magnetic thin film formed on at least one side of the non-magnetic substrate. The magnetic thin film consists essentially of a magnetic material and a tungsten oxide used in an amount of up to about 50 wt %, calculated as W, of the magnetic thin film. A method for making the media is also described.
Shigeta, Masanobu. (1986). Magnetic recording medium comprising a vacuum-deposited magnetic film of (U.S. Patent No. 4626480). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4626480
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile