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US 4,225,225 AGranted
High registration photomask machine and computerized numerical control system
OwnerGilbert P. Hyattinventor
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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.
Claims10
A high registration photographic exposure system comprising:
- a command device for generating an input command signal;
- an integrated circuit read only memory for storing command information;
- an integrated circuit alterable memory for storing processed information;
- a processor for processing the information stored in said alterable memory in response to the input command signal from said command device under control of the command information stored in said read only memory;
- a control circuit for generating a control signal in response to the processing of information with said processor;
- and
- a high registration machine for generating a plurality of contact exposures having high registration therebetween in response to the control signal.
4 more elements
An illumination control system comprising:
- a monolithic processor for processing information, said processor including;
- (a) an integrated circuit read only memory for storing command information,
- (b) an integrated circuit alterable memory for storing processed information, and
- (c) integrated circuit processing logic for processing the information stored in said alterable memory under control of the command information stored in said read only memory;
- a control circuit for generating a control signal in response to the processing of information with said processing logic;
- and
- a machine for exposing an illumination sensitive medium in response to the control signal.
4 more elements
Dependencies are inferred from the claim text.