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. 20, 2006
Filed:
Sep. 13, 2004
Steven J. Alfred, Longmont, CO (US);
Raffi Codilian, Irvine, CA (US);
Serge Hauert, Rancho Santa Margarita, CA (US);
Lin Yang, San Jose, CA (US);
Steven J. Alfred, Longmont, CO (US);
Raffi Codilian, Irvine, CA (US);
Serge Hauert, Rancho Santa Margarita, CA (US);
Lin Yang, San Jose, CA (US);
Western Digital Technologies, Inc., Lake Forest, CA (US);
Abstract
An aspect of the invention can be regarded as a disk drive that includes a disk drive base and a spindle motor hub rotatably coupled to the disk drive base. The disk drive further includes a first disk disposed about the spindle motor hub and having a first disk stiffness. The disk drive further includes a second disk disposed about the spindle motor hub and having a second disk stiffness different than the first disk stiffness. According to another aspect of the present invention, the second disk has a second disk thickness different than a first disk thickness. According to another aspect of the present invention, the second disk is formed of a second material having a second material stiffness different than a first material stiffness.