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. 01, 2013
Filed:
Oct. 31, 2008
Applicants:
Shinya Sonobe, Anan, JP;
Shingo Masui, Anan, JP;
Inventors:
Shinya Sonobe, Anan, JP;
Shingo Masui, Anan, JP;
Assignee:
Nichia Corporation, Anan-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/16 (2006.01); H01S 5/20 (2006.01); H01S 5/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor laser element includes a laminate composed of a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; and a second embedded layer that is in contact with the second conductivity type semiconductor layer, has a stripe-like groove parallel to the cavity direction, and is composed of an insulator, the groove is embedded with a first embedded layer composed of a dielectric on the cavity end face side, and with a conductive layer on the inside.