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:
Jun. 01, 2021
Filed:
Aug. 22, 2019
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Talia S. Gershon, White Plains, NY (US);
Ning Li, White Plains, NY (US);
Devendra K. Sadana, Pleasantville, NY (US);
Ghavam G. Shahidi, Pound Ridge, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0216 (2014.01); H01L 31/0693 (2012.01); H01L 31/0735 (2012.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/02167 (2013.01); H01L 31/0693 (2013.01); H01L 31/0735 (2013.01); H01L 31/184 (2013.01); H01L 31/1892 (2013.01);
Abstract
A photovoltaic device that includes a p-n junction of first type III-V semiconductor material layers, and a window layer of a second type III-V semiconductor material on the light receiving end of the p-n junction, wherein the second type III-V semiconductor material has a greater band gap than the first type III-V semiconductor material, and the window layer of the photovoltaic device has a cross-sectional area of microscale.