H01J2201/2889 - CPC Classification Index

ClassID:

205779 ⎘

H01J2201/2889 - CPC Classification

Classification description:

Electrodes common to discharge tubes; Heaters for thermionic cathodes Characterised by material

Pincer mount cathode

Tungsten wire, cathode heater and vibration service lamp filament

TUNGSTEN WIRE, CATHODE HEATER AND VIBRATION SERVICE LAMP FILAMENT

Thermal-field type electron source composed of transition metal carbide material

Thermal-field type electron source composed of transition metal carbide material with artificial facet