PHOTOSENSITIVE COMPOSITION, PHOTOSENSITIVE PLANOGRAPHIC PRINTING PLATE AND PROCESSING METHOD THEREFOR

PURPOSE:To provide a photosensitive compsn., photosensitive planographic printing plate and its processing method by which production of sludge is prevented, contamination of the base is prevented, concentrating property of the developer used can be increased, and sensitivity of a photosensitive lay...

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Bibliographische Detailangaben
Hauptverfasser:	SASAKI MITSURU, FUKUMURO IKU, MATSUBARA SHINICHI, MATSUO FUMIYUKI, NOGUCHI KAZUO, KANAZAWA DAISUKE
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a photosensitive compsn., photosensitive planographic printing plate and its processing method by which production of sludge is prevented, contamination of the base is prevented, concentrating property of the developer used can be increased, and sensitivity of a photosensitive layer can be increased. CONSTITUTION:This photosensitive compsn. contains (1) an alkalisoluble resin, (2) o-quinone diazide compd. or diazo compd., and (3) chelating agent. The photosensitive planographic printing plate has a layer of this photosensitive compsn. on a supporting body. In the processing method of this photosensitive planographic printing plate, the plate is exposed for an image and then developed with a developer comprising an alkali soln. containing water as the main solvent or a common developer for both of negative and positive photosensitive planographic printing plates. This developer consists of an alkali metal silicate soln. containing water as the main solvent.