FE-NI STEEL SHEET FOR SHADOW MASK AND ITS MANUFACTURE

PURPOSE:To obtain the steel sheet which can prevent the irregular etching and the seizure after annealing and to easily and stably manufacture the steel sheet by making the surface roughness of sheet within the proper range. CONSTITUTION:The Fe-Ni steel sheet for shadow mask is that the surface roug...

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Hauptverfasser:	ISHIKAWA MASARU, HAISHI HIROHISA, HIRAKAWA TOMOYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY 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 ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL 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 PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain the steel sheet which can prevent the irregular etching and the seizure after annealing and to easily and stably manufacture the steel sheet by making the surface roughness of sheet within the proper range. CONSTITUTION:The Fe-Ni steel sheet for shadow mask is that the surface roughness of the steel sheet is 0.3mum