Method of manufacturing a cathode ray tube

The present invention discloses a method for manufacturing a cathode ray tube (10) capable of forming on an inner surface side of a panel (11) a conductive reflective film (15) and a heat absorbing film (16), both being excellent in the characteristics and the film qualities thereof, which comprises...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAGUCHI, KIMIYO, INOUE, HIDEAKI, WATANABE, TETSUO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR 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 METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The present invention discloses a method for manufacturing a cathode ray tube (10) capable of forming on an inner surface side of a panel (11) a conductive reflective film (15) and a heat absorbing film (16), both being excellent in the characteristics and the film qualities thereof, which comprises a first step for forming on a fluorescent film (14) preliminarily formed on the inner surface of a panel a conductive reflective film (15) by depositing aluminum by the vacuum evaporation process; a second step for forming a diffusion preventive film (31) made of aluminum oxide on the surface of the conductive reflective film (15); and a third step for forming a heat absorbing film (16) on the diffusion preventive film by depositing chromium by the vacuum evaporation process.