JP2531920B

PURPOSE:To enable the handling of a large original picture (product name, serial number, date of production, etc.) as an electric signal to be carried out so that the large original picture displayed on a transmission type liquid crystal display device is projected in reduction stepping and that the...

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Bibliographische Detailangaben
Hauptverfasser:	PPONGO MIKIO, MYAUCHI TAKEOKI, MIZUKOSHI KATSURO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	PURPOSE:To enable the handling of a large original picture (product name, serial number, date of production, etc.) as an electric signal to be carried out so that the large original picture displayed on a transmission type liquid crystal display device is projected in reduction stepping and that the bright and exact pattern can be transferred and marked on a sample by removal processing. CONSTITUTION:This laser marker using the transmission type liquid crystal display device 10 has the transmission type liquid crystal display device 10 which is an input section (signal control section), a laser oscillator 1, optical systems 3, 4, a projecting lens 6 and a control means 11. The laser beam emitted from the laser oscillator 1 under control by the control means 11 is made incident via optical systems 3, 4 nearly perpendicularly at