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Application filedfiledCritical
Priority to DE19742429445priorityCriticalpatent/DE2429445C2/de
Priority claimed from DE19742429445external-prioritypatent/DE2429445C2/de
Publication of DE2429445A1publicationCriticalpatent/DE2429445A1/de
Publication of DE2429445B1publicationCriticalpatent/DE2429445B1/de
Application grantedgrantedCritical
Publication of DE2429445C2publicationCriticalpatent/DE2429445C2/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
H01J1/28—Dispenser-type cathodes, e.g. L-cathode
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
H01J23/02—Electrodes; Magnetic control means; Screens
H01J23/04—Cathodes
DE197424294451974-06-19Mittelbar geheizte Vorratskathode für elektrische Entladungsgefäße
ExpiredDE2429445C2
(de)