| 20090139564 | Sealing Film for Photovoltaic Cell Module and Photovoltaic Module - A photovoltaic cell module sealing film including a layer composed of at least one substance selected from the group consisting of metals, metal oxides, and inorganic compounds; and a polyester film having a thermal shrinkage ratio within (0±2) % at 150° C. in both length-wise and width-wise directions, and a difference between the thermal shrinkage ratios at 150° C. in the length-wise and width-wise directions of 2% or less. | 06-04-2009 |
