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:
Feb. 21, 2012
Filed:
Feb. 05, 2009
Atsushi Yawata, Kyoto, JP;
Yasuhiro Suzuki, Kyoto, JP;
Shintaro Saeki, Kyoto, JP;
Nidec Corporation, Kyoto, JP;
Abstract
A spindle motor includes a stator unit and a rotor unit. The stator unit includes a stator, a base portion, and a printed circuit board. The printed circuit board has a connection portion and an extending portion extending from the connection portion. The base portion is provided on its lower surface with a recess portion arranged to accommodate the connection portion of the printed circuit board and a groove portion in which the extending portion is arranged, the groove portion communicating with the recess portion. The groove portion has a bottom surface on which the extending portion is arranged and a slant surface gradually sloping downwards as it extends away from the bottom surface in a circumferential direction. The region in the recess portion extending from the connection portion to a boundary between the recess portion and the groove portion is covered with a cured flowable resin material.