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. 26, 2013
Filed:
Mar. 04, 2008
Applicants:
Hidetoshi Itoh, Gifu, JP;
Hidetoshi Akimoto, Saitama, JP;
Masaaki Nio, Tokyo, JP;
Kenji Shimozawa, Saitama, JP;
Inventors:
Hidetoshi Itoh, Gifu, JP;
Hidetoshi Akimoto, Saitama, JP;
Masaaki Nio, Tokyo, JP;
Kenji Shimozawa, Saitama, JP;
Assignees:
Sanyo Electric Co., Ltd., Osaka, JP;
Sanyo Optec Design Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 33/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical pickup apparatus comprising: a housing configured to include an optical component including a laser diode emitting a laser beam, the housing being made of metal; and a heatsink configured to dissipate heat generated from the laser diode, the heatsink being made of metal different from the metal of the housing; the heatsink being fixed to the housing with one screw and adhesive.