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Application filed by Lorenz C AgfiledCriticalLorenz C Ag
Publication of CH256104ApublicationCriticalpatent/CH256104A/de
H01J1/00—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
H01J1/02—Main electrodes
H01J1/13—Solid thermionic cathodes
H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
H01J1/22—Heaters
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Solid Thermionic Cathode
(AREA)
CH256104D1943-05-051944-05-04Heizer für Kathoden.
CH256104A
(de)