Device, notably for controlling a travelling-wave tube
Diamond brazing method for slow wave energy propagating structur
Diamond supported helix assembly and method
Diamond target electron beam device
Dielectric guide for electron beam transport
Dielectrically loaded waveguide for producing high power coheren
Digital helix for a traveling-wave tube and process for fabricat
Disk and washer linac and method of manufacture
Display device
Display tube
Diverging beam electron gun for a toxic remediation device with
Double wedge termination device for coupled cavity traveling wav
Dual cavity for a dual frequency gyrotron
Dynamic depressed collector