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. 16, 2020
Filed:
Sep. 15, 2017
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Stephen W. Bedell, Wappingers Falls, NY (US);
Cheng-Wei Cheng, White Plains, NY (US);
Jeehwan Kim, Los Angeles, CA (US);
Devendra K. Sadana, Pleasantville, NY (US);
Kuen-Ting Shiu, White Plains, NY (US);
Norma E. Sosa Cortes, New York, NY (US);
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0687 (2012.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/0687 (2013.01); H01L 31/18 (2013.01); Y02E 10/544 (2013.01);
Abstract
A photovoltaic device and method for fabrication include multijunction cells, each cell having a material grown independently from the other and including different band gap energies. An interface is disposed between the cells and configured to wafer bond the cells wherein the cells are configured to be adjacent without regard to lattice mismatch.