Process for providing optical products made of glassy polymers w

Details Process for providing optical products made of glassy polymers w Process for providing optical products made of glassy polymers w

1985-08-14

1986-04-08

Childs, S. L.

Coating processes

Optical element produced

427163, 427164, 4273722, 4273855, 427387, 4273935, 4274301, B05D 506

Patent

active

045812527

ABSTRACT:
Light guide articles made of glassy polymers are provided with a gradually varying refractive index by immersion in a solution of a substance having a different refractive index and which swells the glassy polymer under the immersion conditions and thereafter heating the article under conditions to remove the solvent and leave the substance of different refractive index under the surface of the article.

REFERENCES:
patent: 3582398 (1971-06-01), Ringler
patent: 3745042 (1973-07-01), Lim et al.
patent: 3865619 (1975-02-01), Pennewiss et al.
patent: 3999834 (1976-12-01), Ohtomo et al.
patent: 4046457 (1977-09-01), Land et al.
patent: 4049846 (1977-09-01), Hovey

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