A laminated film structure composed of a polyester film and an electroconductive metal layer laminated to at least one surface of the polyester resin film, characterized in that said polyester film is an unstretched film of a cured aromatic polyester having a crosslinking degree of not less than 70%, a swelling degree of not more than 30 and an elongation at room temperature of not less than 10%.
一种层压薄膜结构,由聚酯薄膜和层压在聚酯
树脂薄膜至少一个表面上的导电
金属层组成,其特征在于所述聚酯薄膜是一种未拉伸的固化芳香族聚酯薄膜,其交联度不小于 70%,膨胀度不大于 30,室温下的伸长率不小于 10%。