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Photovoltaic cell with buffer zone

  • US 8,106,293 B2
  • Filed: 08/06/2009
  • Issued: 01/31/2012
  • Est. Priority Date: 08/14/2008
  • Status: Active Grant
First Claim
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1. A photovoltaic cell comprising:

  • a vertical multi junction (VMJ) photovoltaic cell that includes a plurality of integrally bonded cell units, each cell unit with a plurality of layers that form a PN junction(s); and

    a buffer zone attached to an end layer of the VMJ photovoltaic cell and protrudes therefrom, wherein the buffer zone at least one of safe guards the VMJ photovoltaic cell from stress and strain, and further facilitates transportation of the VMJ photovoltaic cell.

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