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:
Mar. 08, 2011
Filed:
Mar. 05, 2009
Applicant:
Sachio Karino, Miyagi, JP;
Inventor:
Sachio Karino, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/097 (2006.01); H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An edge-emitting multi-beam semiconductor laser includes juxtaposed stripe-shaped light-emitting portions the number of which is N (wherein N≧2), wherein a separation groove that electrically separates the light-emitting portions from each other is provided between the light-emitting portions, a first recess that is partly discontinuous is provided outside a first light-emitting portion, a second recess that is partly discontinuous is provided outside an Nth light-emitting portion.