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. 04, 2014
Filed:
Mar. 11, 2013
Nidec Corporation, Kyoto, JP;
Nidec Corporation, Kyoto, JP;
Abstract
A spindle motor and a disk drive apparatus include a base member, an armature positioned above the base member, and a circuit substrate electrically connected to coils of the armature. The base member includes a bottom portion positioned below the armature and a lower slant surface extending radially outward and upward from an outer peripheral portion of a lower surface of the bottom portion. The circuit substrate includes a plurality of land portions arranged on its lower surface. The lower slant surface includes a first slant surface and a second slant surface arranged along a circumferential direction. At least one land portion is respectively arranged on each of the first slant surface and the second slant surface.