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发明名称
太阳电池用背面保护片
摘要
本发明提供一种太阳电池用背面保护片,其最外层使用了氟系树脂薄膜,且可抑制氟系树脂薄膜产生黄变及龟裂。;具体而言,本发明提供一种太阳电池用背面保护片,其配置于太阳电池单元之背面侧,且特征在于:(1)前述太阳电池用背面保护片自最外层起依序至少积层有第1树脂层及第2树脂层,且与前述太阳电池单元黏合时,乃使与前述最外层为相反侧之最内层与前述太阳电池单元黏合;(2)前述第1树脂层含有聚二氟亚乙烯,且前述聚二氟亚乙烯中自依据红外线吸收谱之吸光度求出之结晶结构是将α型结晶与β型结晶之合计设成100%时,30~70%为α型结晶,剩余部分为β型结晶。
申请公布号
TW201535763
申请公布日期
2015.09.16
申请号
TW103139052
申请日期
2014.11.11
申请人
东洋铝股份有限公司 TOYO ALUMINIUM KABUSHIKI KAISHA
发明人
森启太 MORI, KEITA;猿渡昌隆 SARUWATARI, MASATAKA;前田大辅 MAEDA, DAISUKE
分类号
H01L31/049(2014.01);B32B27/08(2006.01)
主分类号
H01L31/049(2014.01)
代理机构
代理人
恽轶群陈文郎
主权项
地址
日本 JP
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