High registration photomask method and apparatus

Details High registration photomask method and apparatus High registration photomask method and apparatus

1976-12-20

1978-10-17

Wintercorn, Richard A.

Photocopying

Contact printing

Exposing on sensitized printing press plate or cylinder

355 95, 355132, G03B 2704

Patent

active

041205839

ABSTRACT:
A machine and a control system are provided for generating high registration photomasks with a contact printing arrangement. Further, a unique control arrangement is provided for controlling a machine such as a high registration contact print machine or other type of machine. In a preferred embodiment, a control system generates signals to a step and repeat contact printing machine that exposes many prints of master die images on a photographic film, where these prints have a high registration characteristic. In a further embodiment a unique control arrangement is provided for machine control operations.

REFERENCES:
patent: 3052174 (1962-09-01), Berger
patent: 3544213 (1970-12-01), Jaeger et al.
patent: 3632205 (1972-01-01), Marcy
patent: 3639059 (1972-02-01), Strumor et al.

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