204453 ⎘
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 other metal oxides as an emissive material
Functional metal oxides and methods of making same
#2Thermionic emission device and method for making the same
#3Thermionic tungsten/scandate cathodes and method of making the same
#4Electrical potential energy to electrical kinetic energy converter, ozone generator, and light emitter
#5Tungsten alloy part, and discharge lamp, transmitting tube, and magnetron using the same
#6Electron emission element, electrification apparatus, and image forming apparatus
#7Thermionic tungsten/scandate cathodes and methods of making the same
#8Tungsten alloy part, and discharge lamp, transmitting tube, and magnetron using the same
#9Impregnated yttric or gadolinium-containing Barium-aluminum-scandate cathodes and their fabrication methods
#10Method of manufacturing rhenium alloy emission filaments
#11Emission filaments made from a rhenium alloy and method of manufacturing thereof
#12Electron source
#13Material for electrodes of low temperature plasma generators
#14Emissive electrode materials for electric lamps and methods of making
#15CATHODE COMPOSED OF MATERIALS WITH DIFFERENT ELECTRON WORKS FUNCTIONS