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. 25, 2006
Filed:
Oct. 19, 2000
Keiji Watanabe, Kawasaki, JP;
Hiroshi Chiba, Higashine, JP;
Eishin Yamakawa, Higashine, JP;
Tsukasa Itani, Kawasaki, JP;
Norikazu Nakamura, Kawasaki, JP;
Shoichi Suda, Kawasaki, JP;
Masayuki Takeda, Kawasaki, JP;
Kazuaki Kurihara, Kawasaki, JP;
Keiji Watanabe, Kawasaki, JP;
Hiroshi Chiba, Higashine, JP;
Eishin Yamakawa, Higashine, JP;
Tsukasa Itani, Kawasaki, JP;
Norikazu Nakamura, Kawasaki, JP;
Shoichi Suda, Kawasaki, JP;
Masayuki Takeda, Kawasaki, JP;
Kazuaki Kurihara, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A magnetic disk is produced with improved yield by forming a DLC protective film by a d.c. magnetron sputtering process conducted in a sputtering atmosphere containing oxygen. The magnetic disk carries a lubricating film on the DLC film wherein a fluorocarbon resin constituting the lubricating film contains photocrosslinking groups. A lubricating film having non-polar end groups is also disclosed.