IEVref:
531-21-18
ID:
Language:
en
Status:
Standard
Term:
thoriated-tungsten cathode
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition:
a directly heated tungsten-filament cathode in which the emission is enhanced by the addition of thorium
Publication
date
:
1974
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
a directly heated tungsten-filament cathode in which the emission is enhanced by the addition of thorium