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:
Feb. 02, 2021
Filed:
Oct. 25, 2017
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Alfred Lell, Maxhütte-Haidhof, DE;
Georg Brüderl, Burglengenfeld, DE;
John Brückner, Regensburg, DE;
Sven Gerhard, Alteglofsheim, DE;
Muhammad Ali, Regensburg, DE;
Thomas Adlhoch, Brennberg, DE;
OSRAM OLED GmbH, Regensburg, DE;
Abstract
A method of manufacturing a semiconductor laser including providing a substrate having a semiconductor layer sequence with an active layer that generates light during operation of the semiconductor laser, applying a continuous contact layer having at least one first partial region and at least one second partial region on a bottom side of the substrate opposite the semiconductor layer sequence, and locally annealing the contact layer only in the at least one first partial region.