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. 18, 2015
Filed:
Jan. 28, 2013
Applicant:
Nexcis, Rousset Cedex, FR;
Inventor:
Brendan Dunne, Rousset Cedex, FR;
Assignee:
NEXCIS, Rousset Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 31/18 (2006.01); H01L 31/0749 (2012.01); H01L 31/0463 (2014.01); H01L 31/042 (2014.01);
U.S. Cl.
CPC ...
H01L 31/186 (2013.01); H01L 31/042 (2013.01); H01L 31/0463 (2013.01); H01L 31/0749 (2013.01); Y02E 10/541 (2013.01);
Abstract
A treatment of thin layers for forming a connection of a photovoltaic cell including the thin layers, which includes a first layer, having photovoltaic properties, deposited on a second layer, and the second layer, which is a metal contact layer, deposited on a substrate, the treatment including etching, in the first layer, at least one first trench having a first width so as to expose the second layer; and etching, in the first trench, a second trench so as to expose the substrate, the second trench having a second width less than the first width.