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Method of forming emitters for a back-contact solar cell

United States Patent

December 16, 2014
View the Complete Patent at the US Patent & Trademark Office
Methods of forming emitters for back-contact solar cells are described. In one embodiment, a method includes forming a first solid-state dopant source above a substrate. The first solid-state dopant source includes a plurality of regions separated by gaps. Regions of a second solid-state dopant source are formed above the substrate by printing.
Li; Bo (San Jose, CA), Cousins; Peter J. (Los Altos, CA), Smith; David D. (Campbell, CA)
SunPower Corporation (San Jose, CA)
14/ 302,256
June 11, 2014
STATEMENT OF GOVERNMENT LICENSE RIGHTS The invention described herein was made with governmental support under contract number DE-FC36-07GO17043 awarded by the United States Department of Energy. The United States Government may have certain rights in the invention.