Imaging system with interchangeable light sources

An imaging system (10) for imaging a substrate surface (14) at several imaging wavelengths comprises a replaceable beam generating module (36), a spinning mirror (34) and a controller (26). The beam generating module generates an imaging beam in dependence on beam command signals. The imaging beam h...

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Bibliographische Detailangaben
Hauptverfasser:	JOSEPH A WHEELER, DAVID P SOUIRES
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CALCULATING CINEMATOGRAPHY COMPUTING CORRECTION OF TYPOGRAPHICAL ERRORS COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HANDLING RECORD CARRIERS HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTINGTYPE MATERIALS THEREFOR ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRESENTATION OF DATA PRINTING RECOGNITION OF DATA RECORD CARRIERS SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPE TYPEWRITERS
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Beschreibung
Zusammenfassung:	An imaging system (10) for imaging a substrate surface (14) at several imaging wavelengths comprises a replaceable beam generating module (36), a spinning mirror (34) and a controller (26). The beam generating module generates an imaging beam in dependence on beam command signals. The imaging beam has a wavelength which is a one of the plurality of imaging wavelengths. The beam generating module presents the imaging beam along a prescribed path, and also generates wavelength signals indicative of the imaging beam wavelength. The controller receives the wavelength signals, and generates the beam command signals in dependence on the wavelength signals. The beam command signals control generation of the imaging beam in accordance with a prescribed pattern to image upon the substrate surface. The system is readily adaptable for different substrates, eg film and thermal media, which are sensitive to different wavelengths. Thermal media offer the advantages of not requiring chemical processing and of producing sharper images.