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:
May. 10, 2005
Filed:
Aug. 31, 2001
Yuichiro Itai, Kawasaki, JP;
Yoshiharu Kasamatsu, Kawasaki, JP;
Yuichiro Itai, Kawasaki, JP;
Yoshiharu Kasamatsu, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A method of manufacturing a magnetic recording medium which includes a bonding sub-layer substantially and forms a lubricant layer having a width. A method of manufacturing a magnetic recording medium includes the steps of: a) laminating an underlayer, a magnetic layer for recording, and a protection layer of amorphous carbon on a substrate of the magnetic layer for recording medium in turn, and b) repeating a process to the protection layer of amorphous carbon comprising an application process of applying a lubricant, a subsequent ultraviolet rays treatment process, and a subsequent washing process for removing the lubricant which is not connected to the protection layer of amorphous carbon, the process being repeated plural times.