Dupont Teijin Films U.S. Limited Partnership

Simon Shepherd

Nori Mandokoro

A composite film comprising: (i) a heat-stabilised oriented polyester substrate comprising a UV-absorber in an amount of from about 0.1 to about 10% based on the total weight of the polyester substrate, and (ii) on one or both surfaces of the substrate a polymeric coating layer, which has a thickness in the range of from about 10 nm to about 200 nm, and which comprises an ethylene acrylic acid (EAA) copolymer, wherein the composite film exhibits a shrinkage at 150&#xb0; C. for 30 minutes of less than 0.1% in both the longitudinal and transverse dimensions of the film, and use thereof in the manufacture of photo-voltaic cells.

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Moseley, VA, United States of America

Simon Shepherd