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:
Oct. 18, 2005
Filed:
Nov. 08, 2002
Hideaki Tatsuta, Kitakatsuragi-gun, JP;
Hiroshi Chikugawa, Kashihara, JP;
Takaaki Horio, Osaka, JP;
Shinji Yudate, Kitakatsuragi-gun, JP;
Hideaki Tatsuta, Kitakatsuragi-gun, JP;
Hiroshi Chikugawa, Kashihara, JP;
Takaaki Horio, Osaka, JP;
Shinji Yudate, Kitakatsuragi-gun, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
The present invention relates to an optical pickup used for an optical recording information instrument such as CD-ROM, CD-R, MO, DVD and the like, and a semiconductor laser device assembled to be incorporated in the optical pickup, as well as to a method for manufacturing said semiconductor laser device. The present invention also relates to a semiconductor laser element comprising a plurality of semiconductor laser chips, which is incorporated in the semiconductor laser device and to a method for manufacturing said semiconductor laser element, especially to an apparatus for accurately bonding and assembling a semiconductor laser element used in manufacturing said semiconductor laser element, such as a semiconductor laser chip die-bonding machine and the like.