Polymeric direct imaging holographic compositions
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United States of America Patent
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Jul 7, 1992
Grant Date -
N/A
app pub date -
Jun 15, 1990
filing date -
Jun 15, 1990
priority date (Note) -
Expired
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Abstract
In one embodiment this invention provides a process for preparing a holographic composition which is a thin film of polyphenyl acylate polymer which has a photo-Fries molecular rearrangement corresponding to a recorded refractive index pattern induced by exposure to a coherent light interference pattern.
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