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:
May. 21, 2013
Filed:
Nov. 20, 2007
Mikinori Matsuda, Kanagawa, JP;
Kazuhito Kurita, Kanagawa, JP;
Masaki Shinotsuka, Chiba, JP;
Yudai Kato, Chiba, JP;
Mikinori Matsuda, Kanagawa, JP;
Kazuhito Kurita, Kanagawa, JP;
Masaki Shinotsuka, Chiba, JP;
Yudai Kato, Chiba, JP;
Sony Corporation, Tokyo, JP;
Abstract
A spindle motor includes a rotor made of metal including a substantially circular top surface section and a tubular skirt section arranged at a predetermined space from an outer periphery of the top surface section and a disk table of synthetic resin outsert-molded in the rotor and including a table main body section located on an outer surface side of the rotor and a rotor-inner-surface superimposing section located on an inner surface side of the rotor. First resin lead-in holes are provided in the tubular skirt section and an inner surface of the table main body section located on the outer surface side of the rotor is connected to the rotor-inner-surface superimposing section located on the inner surface side of the rotor through the first resin lead-in holes.