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:
Oct. 14, 2014
Filed:
Apr. 03, 2012
Applicants:
Kenneth Warren Hang, Cary, NC (US);
Yueli Wang, Cary, NC (US);
Inventors:
Kenneth Warren Hang, Cary, NC (US);
Yueli Wang, Cary, NC (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/16 (2006.01); H01B 1/22 (2006.01); H01L 31/0224 (2006.01); H01L 31/0272 (2006.01); C03C 8/08 (2006.01); C01G 29/00 (2006.01); H05K 1/09 (2006.01); C03C 8/18 (2006.01); C09D 7/12 (2006.01); C01B 19/00 (2006.01); H05K 1/03 (2006.01);
U.S. Cl.
CPC ...
H01L 31/0272 (2013.01); C03C 8/08 (2013.01); C01G 29/00 (2013.01); H05K 1/092 (2013.01); H01L 31/022425 (2013.01); C03C 8/18 (2013.01); C09D 7/1216 (2013.01); H01B 1/22 (2013.01); C01P 2006/40 (2013.01); Y02E 10/50 (2013.01); C01B 19/004 (2013.01); H05K 1/0306 (2013.01);
Abstract
The present invention is directed to an electroconductive thick film paste composition comprising Ag and a Pb-free bismuth-tellurium-oxide both dispersed in an organic medium. The present invention is further directed to an electrode formed from the paste composition and a semiconductor device and, in particular, a solar cell comprising such an electrode. The present invention is also directed to the bismuth-tellurium oxide that is a component of thick film pastes.