Optically isotropic devices

Details Optically isotropic devices Optically isotropic devices

1981-02-17

1983-02-08

Briggs, Sr., Wilbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

264 11, 264 17, 350DIG1, 430 32, 430270, 430945, C08L 2506, G02B 300

Patent

active

043730655

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.

REFERENCES:
patent: 3383435 (1967-08-01), Cizek
Journal of Polymer Science, vol. 10, Part A--2, No. 7, Jul., 1972, pp. 1639-1655.

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