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:
Apr. 01, 2013
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
Takeshi Kondo, Kanagawa, JP;
Akira Inaba, Kawasaki, JP;
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0224 (2006.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/022425 (2013.01); H01L 31/1804 (2013.01); Y02E 10/547 (2013.01);
Abstract
A solar cell comprising a p-doped silicon wafer, wherein the p-doped silicon wafer comprises a light-receiving side and a back side; and an aluminum electrode formed on the back side of the silicon wafer; wherein the aluminum electrode comprises an aluminum base layer formed adjacently on the back side of the silicon wafer and an aluminum cover layer formed on the aluminum base layer, and wherein the aluminum cover layer comprises aluminum and boron oxide (BO).