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:
Feb. 05, 2013
Filed:
May. 21, 2010
Applicants:
Lynda Kaye Johnson, Wilmington, DE (US);
H. David Rosenfeld, Drumore, PA (US);
Daniela Rodica Radu, West Grove, PA (US);
Inventors:
Lynda Kaye Johnson, Wilmington, DE (US);
H. David Rosenfeld, Drumore, PA (US);
Daniela Rodica Radu, West Grove, PA (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/08 (2006.01); C01B 19/00 (2006.01); C01G 19/00 (2006.01); C09D 11/00 (2006.01); C23C 18/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to processes for making kesterite compositions with atypical Cu:Zn:Sn:S ratios and/or kesterite compositions with unusually small coherent domain sizes. This invention also relates to these kesterite compositions and their use in preparing CZTS films.