High registration photomask machine and computerized numerical c

Details High registration photomask machine and computerized numerical c High registration photomask machine and computerized numerical c

1978-10-12

1980-09-30

Wintercorn, Richard A.

Photocopying

Contact printing

354 4, 355 53, 355 95, 358302, G03B 2702

Patent

active

042252253

ABSTRACT:
A photographic system and a microcomputer based control system are provided for providing photographic exposures. An illumination control system for generating high registration photomasks is provided. A control system implemented with a monolithic microcomputer controls a photographic device through a minimal interface for high capability and economy.

REFERENCES:
patent: 3738242 (1973-06-01), Lee et al.

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