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:
Jun. 03, 2014
Filed:
Jan. 06, 2014
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
Angel R Cartagena, Apex, NC (US);
Feng Gao, Hockessin, DE (US);
Haixin Yang, Chapel Hill, NC (US);
Lei Zhang, Hockessin, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention provides a method of making a photovoltaic cell. The method uses an etching composition comprising one or more onium salts selected from the group consisting of iodonium salts and sulfonium and an organic medium to etch the anti-reflection coating. Also provided is a photovoltaic cell made by this method.