Method and Apparatus to Form Back Contacts to Flexible CIGS Solar Cells
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United States of America Patent
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Issued Date -
Oct 29, 2009
app pub date -
Apr 28, 2008
filing date -
Apr 28, 2008
priority date (Note) -
Abandoned
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Abstract
An apparatus for and a method of interconnecting at least two solar cells using contact areas which are formed on the conductive substrates of the solar cells is described. The contact areas are formed by a material removal process which removes high resistance surface layers of the conductive substrates at the contact areas. A stringing process serially interconnects the solar cells by connecting each contact area that is cleared of high resistance surface layer to the terminal of one of the adjacent solar cells.
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