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. 27, 2019
Filed:
Apr. 12, 2018
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Talia S. Gershon, White Plains, NY (US);
Richard A. Haight, Mahopac, NY (US);
Saurabh Singh, Queens, NY (US);
Teodor K. Todorov, Yorktown Heights, NY (US);
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/032 (2006.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/0326 (2013.01); H01L 31/18 (2013.01); Y02E 10/50 (2013.01); Y02P 70/521 (2015.11);
Abstract
A method of preparing a AgZnSn(S,Se)compound, including dissolving selenourea (SeC(NH)) in an aprotic solvent, and dissolving a silver salt, a zinc salt, and a tin salt in the aprotic solvent with the selenourea to form a metal solution; and coating the metal solution onto a substrate to form an AgZnSn(S,Se)compound layer on the substrate.