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US6083669A Photographic transmission display materials with voided polyester 失效
摄影传输显示材料与空隙聚酯

Photographic transmission display materials with voided polyester
摘要:
A photographic member comprising a polymer sheet comprising at least one layer of voided polyester polymer and at least one layer comprising nonvoided polyester polymer, wherein the imaging member has a percent transmission of between 40 and 60%, the imaging member further comprises tints, and the nonvoided layer is at least twice as thick as the voided layer.
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