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. 14, 1987
Filed:
Sep. 23, 1985
Applicant:
Inventors:
Assignee:
Victor Company of Japan, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
428195 ; 427131 ; 428694 ; 428695 ; 428900 ;
Abstract
A magnetic recording medium comprises a base, a magnetic layer made of a magnetic material and formed on the base, a lubricant layer made of a lubricant material having lubricity and formed on the magnetic layer, and a corrosion resisting layer made of a corrosion resisting material having corrosion resistance and formed on the lubricant layer. An additional corrosion resisting layer made of a corrosion resisting material having corrosion resistance may be provided between the magnetic layer and the lubricant layer.