ACTIVE BACKPLANE FOR THIN SILICON SOLAR CELLS
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United States of America Patent
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Issued Date -
Jan 14, 2016
app pub date -
Feb 5, 2015
filing date -
Aug 5, 2010
priority date (Note) -
Abandoned
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Abstract
Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects are described. The method comprises depositing an interdigitated pattern of base electrodes and emitter electrodes on a backside surface of a semiconductor substrate, attaching a prepreg backplane to the interdigitated pattern of base electrodes and emitter electrodes, forming holes in the prepreg backplane which provide access to the first layer of electrically conductive metal, and depositing a second layer of electrically conductive metal on the backside surface of the prepreg backplane forming an electrical interconnect with the first layer of electrically conductive metal through the holes in the prepreg backplane.
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