Photovoltaic cell with buffer zone
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United States of America Patent
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Jan 31, 2012
Grant Date -
Feb 18, 2010
app pub date -
Aug 6, 2009
filing date -
Aug 14, 2008
priority date (Note) -
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Abstract
Systems and methods that provide a barrier for protection of active layers associated with a vertical multi junction (VMJ) photovoltaic cell. Buffer zone(s) in form of an inactive layer(s) arrangement safe guard the active layers against induced stress or strain resulting from external forces/thermal factors (e.g., welding). The buffer zone can be in form of a rim on a surface of an end layer of a cell unit, to act as a protective boundary for such active layer, and to further partially frame the VMJ cell for ease of handling and transportation.
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