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

Parallel-wire grid assembly with method and apparatus for constr

Photoemissive cathode and method of using comprising either cadm

Planar field emission illumination module comprising...

Platinum tip ECP sensor and fabrication thereof

Polycrystalline diamond emitter

Polycrystalline sintered bodies based on lanthanum hexaboride, a

Polymer sustained microelectrodes

Porous electrode body for electrical accumulators

Power supply system for a lamp and lamp having this power...

Process and apparatus for forming lamp capsules

Protection of carbon articles

Quick-heating cathode structure

Radiographic detector with perforated cathode