Oxide cathode

Oxide cathode employing Ba evaporation restraining layer

Oxide cathode for an electron gun, having a denser and...

Oxide cathode for electron gun with a differentially doped...

Oxide cathode with rare earth addition

Oxide-coated cathode and method for making same

Oxide-coated cathode and method of producing the same

Oxide-coated cathode for CRT and manufacturing method thereof

Photoemissive cathode and method of using comprising either cadm

Planar field emission illumination module comprising...

Polycrystalline sintered bodies based on lanthanum hexaboride, a

Quick-heating cathode structure

Radiographic detector with perforated cathode

Reaction cathode

Scandate cathode and methods of making it

Scandate cathode exhibiting scandium segregation

Segmented electron emission device

Simplified process for fabricating dispenser cathodes

Single crystal emitter with heater wire embedded therein

Solid cathode cap for an X-ray tube