204452 ⎘
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps; Main electrodes; Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material
High-temperature component
#2Thermionic tungsten/scandate cathodes and method of making the same
#3TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE
#4Method of fabricating tungsten scandate nano-composite powder for cathodes
#5TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE
#6Impregnated yttric or gadolinium-containing Barium-aluminum-scandate cathodes and their fabrication methods
#7LIGHT EMITTING DEVICE WITH ELECTRODE COMPRISING A CERAMIC MATERIAL
#8Vacuum tube with oxide cathode
#9Cathode for cathode ray tube
#10Thermionic cathode with a graphene sealing layer and method of making the same
#11Carburized lutetium oxide doped molybdenum cathode and its fabrication method