Process for producing optical element

Details Process for producing optical element Process for producing optical element

1985-10-25

1988-10-18

Corbin, John K.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Physical developing

350417, 350413, 350 9631, 430 2, G02B 2700, G02B 300, G03C 166

Patent

active

047782560

ABSTRACT:
A process for producing optical elements comprises the steps of (a) causing a porous transparent base material to hold a photo-decomposable compound which will be decomposed by light irradiation and can make a change in an optical property of the base material in response to the concentration of the photolysis product or compound originated therefrom, and (b) irradiating the resulting base material with rays of light, thereby decomposing the compound in proportion to the exposure quantity decreasing in the light transmission direction, to form a distribution of the concentration of the photolysis product or compound originated therefrom changing in that direction, in the base material.

REFERENCES:
patent: 3486808 (1969-12-01), Hamblen
patent: 3542536 (1970-11-01), Flam et al.
patent: 3729253 (1973-04-01), Moore et al.
patent: 4296143 (1981-10-01), Franken et al.
patent: 4332879 (1982-06-01), Pastor et al.
patent: 4687720 (1987-08-01), Wreede et al.

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