Cathode structure for cathode ray tube
Cathode structure incorporating an impregnated substrate
Cathode with an electron emitting layer for a cathode ray tube
Cathode, method for manufacturing the cathode, and picture tube
Cathode-ray tube cathode and alloy therefor
Cathode-ray tube having oxide cathode and method for...
Controlled porosity dispenser cathode
Controlled porosity sheet for thermionic dispenser cathode and m
Controlled-porosity dispenser cathode