Encyclopedia
Cathode
Cathode - an electrode that serves as a source of necessary electron emission
Source: "GOST R 50014.7-92 (IEC 519-7-83). State Standard of the Russian Federation. Safety of Electric Heating Equipment. Part 7. Specific Requirements for Electron Beam Furnaces"
(approved and introduced into force by the Decree of Gosstandart Russia dated July 15, 1992 No. 708)