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. 05, 2009
Filed:
Apr. 20, 2006
Applicant:
Fumie Kunimasa, Hiroshima-ken, JP;
Inventor:
Fumie Kunimasa, Hiroshima-ken, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor laser improved in heat sinkability of portions in the vicinity of a light-emitting end face of a main body in order to prevent occurrence of COD is provided. A main bodyhaving a light-emitting end facefor emitting laser light is formed on a semiconductor substrate, n-type GaAs substrate. Thickness of a front end portionin the vicinity of the light-emitting end faceof a plated metal layerformed on the main bodyis larger than thickness of a central portionof the plated metal layerin a direction along a cavity.