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:
Nov. 30, 1999
Filed:
Nov. 06, 1997
Applicant:
Inventors:
Yoshimichi Asanai, Kawasaki, JP;
Minoru Takahashi, Kawasaki, JP;
Seigo Igaki, Kawasaki, JP;
Masaki Kameyama, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428900 ; 427127 ;
Abstract
A method of evaluating a durability of a magnetic disk includes the steps of (a) obtaining conditions under which a sliding contact state of a first head with respect to a surface of a first magnetic disk stabilizes, and (b) causing a second head to make sliding contact with a surface of a second magnetic disk under the conditions and evaluating a durability of the second magnetic disk.