PHOSPHOR FOR CATHODE RAY TUBE

PURPOSE:To obtain the titled phosphor which is excellent in luminous efficacy and long persistence, by burning a specific yttrium oxide and BaF2 and/or MgF2. CONSTITUTION:Yttrium oxide activated with a trivalent europium of the formula and 0.8-2.0wt% BaF2 and/or 2.0-5.0wt% MgF2 are burned at 1,300-1...

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Bibliographische Detailangaben
Hauptverfasser:	OKUDA HIROSHI, MATSUNAGA KAZU, AWAZU KENZO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain the titled phosphor which is excellent in luminous efficacy and long persistence, by burning a specific yttrium oxide and BaF2 and/or MgF2. CONSTITUTION:Yttrium oxide activated with a trivalent europium of the formula and 0.8-2.0wt% BaF2 and/or 2.0-5.0wt% MgF2 are burned at 1,300-1,400 deg.C to obtain the titled phosphor.