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:
May. 12, 2015
Filed:
May. 31, 2011
Applicants:
Peter Engelhart, Hameln, DE;
Robert Seguin, Berlin, DE;
Wilhelmus Mathijs Marie Kessels, Tilburg, NL;
Gijs Dingemans, Tilburg, NL;
Inventors:
Peter Engelhart, Hameln, DE;
Robert Seguin, Berlin, DE;
Wilhelmus Mathijs Marie Kessels, Tilburg, NL;
Gijs Dingemans, Tilburg, NL;
Assignee:
Q-Cells SE, Bitterfeld-Wolfen, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/00 (2006.01); H01L 31/0216 (2014.01); H01L 31/055 (2014.01);
U.S. Cl.
CPC ...
H01L 31/02168 (2013.01); Y02E 10/50 (2013.01); H01L 31/02167 (2013.01); H01L 31/055 (2013.01);
Abstract
A semiconductor device, in particular a solar cell, comprises a semiconductor substrate having a semiconductor substrate surface and a passivation composed of at least one passivation layer which surface-passivates the semiconductor substrate surface, wherein the passivation layer comprises a compound composed of aluminum oxide, aluminum nitride or aluminum oxynitride and at least one further element.