TUNGSTEN CATHODE MATERIAL

Provided is a cathode material which becomes an alternative material of a cathode material formed of a W-ThO 2 alloy and is formed of a tungsten alloy that does not include thorium which is a radioactive element. When particles of a rare earth oxide and tungsten carbide are finely dispersed in a tun...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUO, AKIRA, UENO, YASUTSUGU, KAI, YUSUKE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CABLES CASTING CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CONDUCTORS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INSULATORS MACHINE TOOLS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS PLASMA TECHNIQUE POWDER METALLURGY PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER
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