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:
Oct. 25, 2011
Filed:
Apr. 07, 2009
Applicants:
Shih-lin Yeh, Hsinchu, TW;
Chung-chou Fan, Hsinchu, TW;
Chun-lung Ho, Hsinchu, TW;
Wen-hong Wang, Hsinchu, TW;
Inventors:
Shih-Lin Yeh, Hsinchu, TW;
Chung-Chou Fan, Hsinchu, TW;
Chun-Lung Ho, Hsinchu, TW;
Wen-Hong Wang, Hsinchu, TW;
Assignee:
Philips & Lite-On Digital Solutions Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/028 (2006.01); G11B 17/03 (2006.01); G11B 19/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spindle motor includes a base plate, a stator, and a rotor. The base plate has a plurality of air-guiding holes. The stator includes a bearing portion and a plurality of coil portions. The bearing portion is fixed on the base plate. The coil portions are connected to and surrounded the bearing portion, and are disposed above the air-guiding holes. The rotor is rotatably mounted to the bearing portion and disposed adjacent the coil portions.