Optically isotropic devices
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United States of America Patent
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Feb 8, 1983
Grant Date -
N/A
app pub date -
Feb 17, 1981
filing date -
Feb 17, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optically isotropic device or component made of an optically isotropic polymeric material which is a blend of two completely miscible polymers which have opposite optical anisotropies. The blend has zero birefringence which is not substantially affected by processing of the blend into the optical device or component.
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