Method of manufacturing shadow mask

According to this invention, there is provided an improved method of manufacturing a shadow mask obtained by independently etching both the surfaces of a metal substrate. After one surface is etched to form a first opening, an etching resistive agent composition containing an acrylic resin, casein,...

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Bibliographische Detailangaben
Hauptverfasser:	ICHIKAWA, KATSUMI, TANAKA, HIROSHI, KUDOU, MAKOTO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY 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:	According to this invention, there is provided an improved method of manufacturing a shadow mask obtained by independently etching both the surfaces of a metal substrate. After one surface is etched to form a first opening, an etching resistive agent composition containing an acrylic resin, casein, and a leveling agent is applied to the obtained opening to form an etching resistive layer. Subsequently, the other surface is etched to form a second opening in the other surface, and then the etching resistive layer is removed to cause the first and second openings to communicate with each other.