METHOD AND DEVICE FOR WASHING CHEMICALLY ETCHED METALLIC THIN SHEET

PURPOSE:To uniformly wash a chemically etched metallic thin sheet by this device in the process for producing a shadow mask, etc. CONSTITUTION:A draining roll couple A is arranged directly after an etching tank H, an etchant suction means B is set thereafter, a single washing tank J is arranged on t...

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Bibliographische Detailangaben
1. Verfasser:	OI KATSUMI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMICAL SURFACE TREATMENT CHEMISTRY CINEMATOGRAPHY CLEANING CLEANING IN GENERAL CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MATERIALS THEREFOR METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PREVENTION OF FOULING IN GENERAL PRINTED CIRCUITS SEMICONDUCTOR DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To uniformly wash a chemically etched metallic thin sheet by this device in the process for producing a shadow mask, etc. CONSTITUTION:A draining roll couple A is arranged directly after an etching tank H, an etchant suction means B is set thereafter, a single washing tank J is arranged on the downstream side, an inlet-side draining roll couple C1, an intermediate draining roll couple C2 and an outlet-side draining roll couple C3 are provided to the washing tank at regular intervals to divide the washing tank J into two sections, washing water injection means D1-D3 are arranged as shown in the figure, and water is injected toward a metallic thin sheet P from the water injection means.