Optical components

Details Optical components Optical components

1990-08-06

1992-04-14

Hamilton, Cynthia

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Light scattering or refractive index image formation

430330, 430321, 430328, G03C 516, G03C 500

Patent

active

051047713

ABSTRACT:
An optical component of the integrated type is produced by coating a substrate (10) with a layer (12) of photo-polymerizable material which is substantially free of any thermal catalyst, exposing the layer to radiation at a first temperature via a mask for example so that zones of the layer are selectively polymerized in accordance with a predetermined pattern corresponding to the configuration of the desired optical component, heat treating the layer to post cure the polymerized zones, and thereafter flood illuminating the layer at a second temperature lower than the first to polymerize the previously unexposed areas. In this way, an enhanced refractive difference between the pattern and the surrounding areas can be achieved.

REFERENCES:
patent: 3993485 (1976-11-01), Chandross et al.
patent: 4240849 (1980-12-01), Kurokawa et al.
patent: 4609252 (1986-09-01), Wong et al.
patent: 4942102 (1990-07-01), Keys et al.
Kato et al., Electronics and Communications in Japan, vol. 65-C, No. 11 (1982).

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