Heat-stabilised poly(ethylene naphthalate) film for flexible...

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Reexamination Certificate

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C428S457000, C428S458000, C428S448000, C428S450000, C428S480000, C428S704000, C428S910000, C264S288400, C264S290200, C528S308000

Reexamination Certificate

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11503618

ABSTRACT:
The use of a heat-stabilized, heat-set oriented film comprising poly(ethylene naphthalate) as a substrate in, or in the manufacture of, an electronic or opto-electronic device containing a conjugated conductive polymer, wherein said film has a shrinkage at 30 mins at 230° C. of less than 1%; and a composite film comprising such a substrate layer and on a surface thereof a barrier layer.

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