X-ray cathode focusing element

Method for tuning work function using surface photo voltage and producing ultra-low-work-function surfaces, and devices operational therewith

DEVICE INCLUDING AN IONIZER

Electrical potential energy to electrical kinetic energy converter, ozone generator, and light emitter

Method for producing an electrode for a high-pressure discharge lamp and high-pressure discharge lamp comprising at least one electrode thus produced

X-ray cathode and method of manufacture thereof

Electron emitter apparatus and method of assembly

Electron source

Method for assembling indirectly-heated cathode assembly

Electron emission device comprising carbon nanotubes yarn and method for generating emission current

Lamp with high efficiency linear polarized light output

Indirectly heated cathode and cathode ray tube having same

Electron gun

Vacuum tube with oxide cathode

Indirectly heated electrode for gas discharge tube, gas discharge tube using said indirectly heated electrode, and lighting device for said gas discharge tube

Low consumption cathode structure for cathode ray tubes

Internal conductively-heated cathode

Process of manufacturing micronized oxide cathode

Cathode for cathode ray tube

System and method for introducing aluminum to an ion source

Cathode-in-cathode high-power microwave (HPM) vacuum tube source and method of alignment

Carburized lutetium oxide doped molybdenum cathode and its fabrication method