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:
Jun. 07, 1988
Filed:
Feb. 27, 1986
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
N01S / ;
U.S. Cl.
CPC ...
372 50 ; 372 45 ; 372 46 ; 372 48 ;
Abstract
A semiconductor laser array device comprising an active layer for laser oscillation having a plurality of curved portions at substantially right angles to the resonance direction to thereby create a distribution of the refractive index between the curved portions and the flat portions of the active layer, resulting in a plurality of laser oscillation operation areas which are positioned between the curved portions of the active layer and which are optically coupled therebetween.