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:
Jul. 05, 2005
Filed:
Mar. 07, 2003
Ming-goei Sheu, Cupertino, CA (US);
Ming-Goei Sheu, Cupertino, CA (US);
ESGW Holdings Limited, Tortola, VG;
Abstract
A data storage device () includes a housing enclosing a clean room chamber (CR), a stator (), a rotor (), and a plurality of data storage disks (). The housing includes an upper partition () and a lower partition (). The stator includes a plurality of stator laminations () each having a winding () wound therearound, and a shaft () having opposite ends fixed with the upper partition and the lower partition. The rotor includes a hub (), a tube () fixed in the hub, and a magnet () surrounded by the stator laminations. The hub includes a radially extending shoulder () for supporting the disks thereon. The tube surrounds the shaft, with a pair of bearings () rotatably connecting the tube to the shaft. A clamp () is secured on the hub, and presses on a top one of the disks to mount the disks to the hub.