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:
May. 27, 2014
Filed:
Nov. 23, 2010
Applicants:
Alex Sergey Ionkin, Kennett Square, PA (US);
Brian M. Fish, Wilmington, DE (US);
Ross Getty, Wilmington, DE (US);
Inventors:
Alex Sergey Ionkin, Kennett Square, PA (US);
Brian M. Fish, Wilmington, DE (US);
Ross Getty, Wilmington, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/18 (2006.01); H01L 31/0328 (2006.01); B82Y 30/00 (2011.01); B05D 3/02 (2006.01); C01B 17/00 (2006.01); C01B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to screen-printable quaternary chalcogenide compositions. The present invention also provides a process for creating an essentially pure crystalline layer of the quaternary chalcogenide on a substrate. Such coated substrates contain p-type semiconductors and are useful as the absorber layer in a solar cell.