ELECTRIC FIELD EMISSION DEVICE

X-ray cathode focusing element

Field emission device, field emission method and positioning and fixing method

Electron beam generation source, electron beam emission device, and x-ray emission device

Field emission device and reforming treatment method

X-ray tube and a controller thereof

Multi X-ray imaging apparatus and control method therefor

Multi X-ray imaging apparatus and control method therefor

X-RAY TUBE HAVING LIQUID LUBRICATED BEARINGS AND LIQUID COOLED TARGET

X-ray tube, x-ray system, and method for generating x-rays

Method and apparatus for controlling electron beam current

Electron emitter assembly and method for generating electron beams

Appliance for use with apparatus providing therapy

Large-area individually addressable multi-beam x-ray system and method of forming same

X-ray generator and adjusting method of the same

X-ray apparatus with field emission current stabilization and method of providing x-ray radiation therapy