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:
Aug. 02, 1988
Filed:
Oct. 07, 1985
Applicant:
Inventor:
Bernhard Stegmuller, Augsburg, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 46 ; 372 96 ;
Abstract
A metal-clad ridge waveguide laser diode and method has a grating or discontinuity structure formed laterally of the ridge and possibly over the ridge along the laser active region. The discontinuity structure is formed subsequent to the epitaxial formation of the heterostructure and the ridge.