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. 02, 2009
Filed:
Feb. 18, 2005
Mohammed Mizanur Rahman, San Jose, CA (US);
Klaus Dieter Kloeppel, Watsonville, CA (US);
Dustin A. Cochran, Watsonville, CA (US);
Mohammed Mizanur Rahman, San Jose, CA (US);
Klaus Dieter Kloeppel, Watsonville, CA (US);
Dustin A. Cochran, Watsonville, CA (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A fluid dynamic bearing is provided having a first surface having at least a first groove pattern formed therein; and the second surface having at least a second groove pattern formed therein; wherein one of the surfaces is configured to be rotated relative to the other surface. The groove patterns may be conventional patterns or patterns described herein. Further, the patterns discussed herein may be disposed wholly on each surface or may be divided between the two surfaces. The groove design is intended to be useable in either a journal, thrust or other fluid bearing design.