Reflection preventive light-shielding screen and a process for p

Details Reflection preventive light-shielding screen and a process for p Reflection preventive light-shielding screen and a process for p

1982-05-17

1985-03-26

Corbin, John K.

G02B 500

Patent

active

045069530

ABSTRACT:
A reflection preventive light-shielding screen comprising a transparent plate and a side surface-rough relief of a cured photopolymerized resin composition formed thereon and having a striped pattern or a lattice pattern. The present reflection preventive light-shielding screen can effectively shield extraneous light rays without scattering the light rays emitted from image-indicating devices. Therefore, the present reflection preventive light-shielding screen can be advantageously used for various extraneous light rays-shielding applications. Furthermore, the present reflection preventive light-shielding screen can be produced by an extremely simple process as compared with those of the prior art.

REFERENCES:
patent: 2053173 (1936-09-01), Astima
patent: 4309070 (1982-01-01), St. Leger Searle

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