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:
Jan. 06, 2015
Filed:
Aug. 05, 2011
Applicants:
Long Cheng, Perrysburg, OH (US);
Jigish Trivedi, Perrysburg, OH (US);
Inventors:
Long Cheng, Perrysburg, OH (US);
Jigish Trivedi, Perrysburg, OH (US);
Assignee:
First Solar, Inc., Perrysburg, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 7/00 (2006.01); H01L 31/068 (2012.01); B08B 1/04 (2006.01); H01L 31/0296 (2006.01); H01L 31/0392 (2006.01); H01L 31/048 (2014.01); H01L 31/073 (2012.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/068 (2013.01); B08B 1/04 (2013.01); H01L 31/0296 (2013.01); H01L 31/03925 (2013.01); H01L 31/048 (2013.01); H01L 31/073 (2013.01); H01L 31/1836 (2013.01); Y02E 10/543 (2013.01); Y02E 10/547 (2013.01);
Abstract
The present invention relates to methods for cleaning semiconductors used in photovoltaic cells and modules, and methods for manufacturing p-n junctions for photovoltaic cells and modules. More particularly, the method comprises providing at least one semiconductor layer of a photovoltaic module and scrubbing the surface of the least one semiconductor layer in the presence of a chemical solution.