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:
Nov. 26, 2013
Filed:
Mar. 11, 2013
Nidec Corporation, Kyoto, JP;
Nidec Corporation, Kyoto, JP;
Abstract
A spindle motor includes 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 an annular 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 first substrate piece and a second substrate piece arranged in a circumferentially spaced-apart relationship with the first substrate piece. Each of the first substrate piece and the second substrate piece includes at least one land portion arranged on a lower surface thereof.