BACK PROTECTIVE SHEET FOR SOLAR CELL MODULE AND SOLAR CELL MODULE PROTECTED THEREBY
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Nov 13, 2008
filing date -
Nov 16, 2007
priority date (Note) -
Abandoned
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Abstract
A back protective sheet for a solar cell module, including a three-layered composite film (3a) that has a pair of polybutylene terephthalate outer layers (1a, 1a) and a polycarbonate core layer (2a) that is interposed between the outer layers, and a moisture barrier layer (4) that is laminated on the composite film. A solar cell module that has photovoltaic elements that are protected by the back protective sheet. The three-layered composite film may be obtained by coextrusion.
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