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:
Sep. 30, 2003
Filed:
Oct. 26, 2001
Applicant:
Inventors:
Tatsuo Nakamoto, Sagamihara, JP;
Shingo Tsuda, Yokohama, JP;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/702 ;
U.S. Cl.
CPC ...
G11B 1/702 ;
Abstract
To restrain a flutter of a magnetic disk in a high-speed hard disk drive, a ramp is provided so as to be separated with a predetermined space from a side wall of a base Between the side wall and the ramp is formed a bypass channel An air flow is supplied toward a magnetic disk through the bypass channel By using such a configuration, a flutter of the magnetic disk is reduced.