Method and apparatus for producing printing patterns

Details Method and apparatus for producing printing patterns Method and apparatus for producing printing patterns

1980-03-24

1982-01-19

Wintercorn, Richard A.

Photocopying

Contact printing

Machine

355132, G03B 2730

Patent

active

043113818

ABSTRACT:
A method and apparatus for producing printing patterns through the use of a liquid photosensitive resin system. A partially cured resin backing member is applied to a vertical supporting surface and a glass cover plate having a photographic negative mounted on the glass surface is positioned in spaced relation to the backing member. A liquid uncured photosensitive resin is introduced into the space between the backing member and the photographic negative, and an ultraviolet lighting unit is then positioned adjacent the glass cover plate to expose portions of the resin to the light through the photographic negative, causing the exposed portions of the resin to cure or crosslink. The lighting unit is oscillated to provide tapered edges on the exposed crosslinked areas of the resin. Following the crosslinking, the pattern can be removed and the uncured portions of the resin can be washed from the pattern.

REFERENCES:
patent: 4087182 (1978-05-01), Aiba et al.

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