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:
Jan. 23, 2018
Filed:
Oct. 27, 2016
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Talia S. Gershon, White Plains, NY (US);
Oki Gunawan, Westwood, NJ (US);
Yun S. Lee, White Plains, NY (US);
Ravin Mankad, Yonkers, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/032 (2006.01); H01L 31/0224 (2006.01); H01L 31/0216 (2014.01); H01L 31/18 (2006.01); H01L 31/072 (2012.01);
U.S. Cl.
CPC ...
H01L 31/0326 (2013.01); H01L 31/02168 (2013.01); H01L 31/022441 (2013.01); H01L 31/072 (2013.01); H01L 31/18 (2013.01);
Abstract
After forming a layer of a Cu-deficient kesterite compound having the formula CuZnSn(SSe), wherein 0<x<1, and 0≦y≦1, on a substrate and forming a Ag layer on the Cu-deficient kesterite compound layer, the Cu-deficient kesterite compound layer and Ag layer are annealed in a S- and/or Se-rich ambient to provide a film containing a Ag—Cu mixed kesterite compound having the formula AgCuZnSn(SSe), wherein 0<x<2, and 0≦y≦1.