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:
Nov. 10, 1992
Filed:
Jan. 11, 1989
Applicant:
Inventors:
Susumu Funamoto, Odawara, JP;
Yasushi Kitazaki, Odawara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
428694 ; 428611 ; 428666 ; 428667 ; 428900 ; 428695 ;
Abstract
In a magnetic recording medium having a ferromagnetic metallic thin film formed on a substrate as a recording film, the recording film is formed from low density crystalline particles and impregnated with lubricant among the crystalline particles to improve the corrosion-resistivity and the slide-resistivity for a magnetic head.
Funamoto, Susumu. (1992). Magnetic recording medium and method for fabricating the same (U.S. Patent No. 5162161). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5162161
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile