APPARATUS FOR CONTROLLING THE INTENSITY OF RADIANT ENERGY ON A STRIP

A strip of ultraviolet sensitive material and masks are moved past a divergent source of ultraviolet radiation to expose the strip through the masks. The intensity of ultraviolet radiation is measured adjacent to the strip and the source is moved toward or away from the strip to maintain an intensit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	FRANK H. BLITCHINGTON JR
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CINEMATOGRAPHY ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:	A strip of ultraviolet sensitive material and masks are moved past a divergent source of ultraviolet radiation to expose the strip through the masks. The intensity of ultraviolet radiation is measured adjacent to the strip and the source is moved toward or away from the strip to maintain an intensity between low and high limits of intensity. Interlock facilities at the source sense the color temperature of the source to disable the source moving facilities and source cooling facilities if the source is emitting insufficient ultraviolet radiation.