| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a backside protective sheet for a solar cell which constitutes a solar cell module, excellent in strength, weather resistance, heat resistance, water repellency, light stability, chemical resistance, light reflection performance, light diffusion performance and moisture resistance, ensuring its secular preservability, low cost and safe and capable of dealing with a solar cell system voltage 1,000 V. <P>SOLUTION: The backside protective sheet for a solar cell includes a laminate (I) in which a gas barrier deposition film having an inorganic layer on one surface of a base material film and a white plastic film are stuck via an adhesive so as to oppose the inorganic layer surface, wherein the adhesive layer of the laminate (I) contains bubbles and the quantity of the bubbles is class 2 or a higher class in a visual gap examination method. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
