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:
Dec. 08, 2009
Filed:
Nov. 08, 2005
Applicants:
Tadashi Takeoka, Mihara, JP;
Takuroh Ishikura, Kashihara, JP;
Inventors:
Tadashi Takeoka, Mihara, JP;
Takuroh Ishikura, Kashihara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor laser device manufacturing method includes, sequentially, a first aging step Sa first inspection step Sa mounting step Sa second aging step Sand a second inspection step SSince the first aging step Son a semiconductor laser chip with a high-temperature direct current conduction is performed before the mounting step Sthreshold current and drive current of the semiconductor laser chip before mounting can be reduced.