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:
Jul. 16, 1985
Filed:
Jan. 14, 1983
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428336 ; 360134 ; 360135 ; 360136 ; 2041 / ; 2041 / ; 427128 ; 427131 ; 428694 ; 428900 ;
Abstract
A magnetic recording medium produced by forming an organic protective layer on a magnetic recording layer by sputtering conducted in an inert gas atmosphere using a material for forming the organic protective layer as cathode and the magnetic recording layer as anode has excellent lubricating properties and wear resistance.
Kitoo, Makoto. (1985). Magnetic recording medium having organic protective overlayer (U.S. Patent No. 4529651). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4529651
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile