Cathode for magnetron

Cathode having a reservoir and method of manufacturing the same

Cathode heater assembly for electron discharge device

Cathode in a cathode ray tube

Cathode in cathode ray tube

Cathode in electron tube with actinoid metal(s) or...

Cathode including a solid body

Cathode material including rare earth metal used as electron...

Cathode member and electron tube having the cathode member mount

Cathode ray tube

Cathode ray tube cathode

Cathode ray tube comprising a cathode of a composite material

Cathode ray tube comprising a doped oxide cathode

Cathode ray tube having an improved cathode

Cathode ray tube having an improved heater

Cathode ray tube with a particle-particle cathode coating

Cathode structure and method

Cathode structure comprising a heating element

Cathode structure for a cathodoluminescent display devices

Cathode structure for an electron tube