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:
Sep. 13, 2005
Filed:
Jun. 12, 2003
Bruno Acklin, Mountain View, CA (US);
Martin Behringer, Regensburg, DE;
Karl Ebeling, Ulm, DE;
Christian Hanke, München, DE;
Jörg Heerlein, Regensburg, DE;
Lutz Korte, Feldkirchen-Westerham, DE;
Johann Luft, Wolfsegg, DE;
Karl-heinz Schlereth, Burglengenfeld, DE;
Werner Späth, Holzkirchen, DE;
Zeljko Spika, Regensburg, DE;
Bruno Acklin, Mountain View, CA (US);
Martin Behringer, Regensburg, DE;
Karl Ebeling, Ulm, DE;
Christian Hanke, München, DE;
Jörg Heerlein, Regensburg, DE;
Lutz Korte, Feldkirchen-Westerham, DE;
Johann Luft, Wolfsegg, DE;
Karl-Heinz Schlereth, Burglengenfeld, DE;
Werner Späth, Holzkirchen, DE;
Zeljko Spika, Regensburg, DE;
Osram GmbH, Munich, DE;
Abstract
A semiconductor laser has a semiconductor body with first and second main areas, preferably each provided with a contact area, and also first and second mirror areas. An active layer and a current-carrying layer are formed between the main areas. The current-carrying layer has at least one strip-type resistance region, which runs transversely with respect to the resonator axis and whose sheet resistivity is increased at least in partial regions compared with the regions of the current-carrying layer that adjoin the resistance region.