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. 26, 2000
Filed:
May. 17, 1999
Applicant:
Inventor:
Futoshi Sasaki, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428 645 ; 4286 / ; 4286 / ; 428900 ; 360133 ;
Abstract
In a magnetic recording medium such as a floppy disk, a fatty acid ester compound having at least one side chain group with a molecular weight of 70 or more is added as a lubricant to a non-magnetic under layer or a magnetic recording layer in order to prevent migration of a lubricant to a liner.
Sasaki, Futoshi. (2000). Magnetic recording medium apparatus (U.S. Patent No. 6165581). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6165581
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile