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:
Jun. 19, 2001
Filed:
May. 18, 1998
Applicant:
Inventors:
Hiromitsu Tokisue, Ibaraki-ken, JP;
Sunao Yonekawa, Odawara, JP;
Nobuyuki Ishii, Odawara, JP;
Yasuyuki Horiguchi, Odawara, JP;
Yoshishige Endo, Tsuchiura, JP;
Yasuhiro Yoshimura, Ibaraki-ken, JP;
Yutaka Ito, Takahagi, JP;
Osamu Narisawa, Odawara, JP;
Hiroshi Yuyama, Odawara, JP;
Youichi Inoue, Ryugasaki, JP;
Yukiko Ikeda, Ibaraki-ken, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/255 ; G11B 5/60 ;
U.S. Cl.
CPC ...
G11B 5/255 ; G11B 5/60 ;
Abstract
A magnetic hard disk drive comprising a magnetic disk and a magnetic head slider, characterized in that said magnetic head slider is coated with a layer having a contact angle of 50° or more when measured by using a lubricant coated on the magnetic disk, is free from start failure due to stiction caused by adhesion of the lubricant to the slider surface.