204477 ⎘
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps; Main electrodes; Solid anodes; Solid auxiliary anodes for maintaining a discharge characterised by the material
Beam position monitors for medical radiation machines
#2Thermionic electron emitters/collectors have a doped diamond layer with variable doping concentrations
#3ANODIC STRUCTURE AND METHOD FOR MANUFACTURING SAME
#4Method of coating an anode/collector with carbon nanotubes