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:
Mar. 27, 2007
Filed:
Aug. 21, 2003
Applicants:
Christian Karnutsch, Karlsruhe, DE;
Peter Stauss, Pettendorf, DE;
Klaus Streubel, Laaber, DE;
Inventors:
Assignee:
Osram Opto Semiconductors GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method of fabricating a radiation-emitting semiconductor chip based on AlGaInP, comprising the method steps of preparing a substrate, applying to the substrate a semiconductor layer sequence comprising a photon-emitting active layer, and applying a transparent decoupling layer comprising(Ga(InAl)P wherein 0.8≦x and 0≦y≦1, it is provided according to the invention that the substrate is made of germanium and that the transparent decoupling layer is applied at low temperature.