204454 ⎘
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 metals or alloys as an emissive material
Pincer mount cathode
#2Electron source, method for manufacturing same, and device provided with electron source
#3CATHODE MEMBER FOR ELECTRON BEAM GENERATION, AND METHOD FOR MANUFACTURING THE SAME
#4Method and apparatus for reducing the work function of polycrystalline metal hexaboride
#5Thermionic emission device and method for making the same
#6CATHODES WITH CONFORMAL CATHODE SURFACES, VACUUM ELECTRONIC DEVICES WITH CATHODES WITH CONFORMAL CATHODE SURFACES, AND METHODS OF MANUFACTURING THE SAME
#7Thermionic tungsten/scandate cathodes and method of making the same
#8Electron emission element, electrification apparatus, and image forming apparatus
#9Method of fabricating tungsten scandate nano-composite powder for cathodes
#10Thermionic emission filament, quadrupole mass spectrometer and residual gas analyzing method
#11Thermionic tungsten/scandate cathodes and methods of making the same
#12Tungsten wire, cathode heater and vibration service lamp filament
#13Tungsten electrode material and thermionic emission current measuring device
#14TUNGSTEN WIRE, CATHODE HEATER AND VIBRATION SERVICE LAMP FILAMENT
#15CATHODE COMPOSED OF MATERIALS WITH DIFFERENT ELECTRON WORKS FUNCTIONS
#16Electron gun
#17Electron emission material and electron emission element using the same
#18Ion pump noble gas stability using small grain sized cathode material
#19Thermal-field type electron source composed of transition metal carbide material
#20Thermal-field type electron source composed of transition metal carbide material with artificial facet