| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a film for protecting a back surface of a solar cell which is suppressed in hydrolysis, exhibits high durability and is excellent in processability. <P>SOLUTION: A film for protecting a back surface of a solar cell comprises polyethylene-2,6-naphthalene dicarboxylate, which has a thickness of 1 to 38μm, a planar orientation coefficient of 0.240 to 0.255 and strength at break of 250 to 280 MPa. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
