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:
Jan. 03, 2023
Filed:
Aug. 09, 2018
Applicant:
Panasonic Corporation, Osaka, JP;
Inventor:
Atsunori Mochida, Osaka, JP;
Assignee:
PANASONIC HOLDINGS CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/22 (2006.01); H01S 5/40 (2006.01);
U.S. Cl.
CPC ...
H01S 5/22 (2013.01); H01S 5/2202 (2013.01); H01S 5/4025 (2013.01);
Abstract
A semiconductor laser element includes: a substrate; and a laser array portion that includes a plurality of light emitting portions arranged side by side, and is stacked above the substrate, wherein a stacked body of the substrate and the laser array portion includes a pair of resonator end faces on opposite faces, and a groove portion that extends from the laser array portion into the substrate is provided on at least one of the pair of resonator end faces between two adjacent light emitting portions among the plurality of light emitting portions.