Scope:

1) Principles of vacuum electron sources
basic theory, experiments, etc.

2) Science and technologies related to vacuum electron sources operating mechanisms, materials science,
surface science, manufacturing methods,
characteristics, evaluation methods,
failure analysis, vacuum discharge, etc.

3) Applications related to vacuum electron sources
(1) Vacuum Electronics
(2) Electron Microscopy
(3) Accelerators
(4) X-ray sources
(5) Nuclear fusion
(6) Space vehicles and thrusters
etc.