Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL98267CpublicationCriticalpatent/NL98267C/xx
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
H01J1/26—Supports for the emissive material
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
H01J19/50—Spacing members extending to the envelope
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00—Discharge tubes and lamps
H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
H01J2893/0002—Construction arrangements of electrode systems
H01J2893/0005—Fixing of electrodes
H01J2893/0008—Supply leads; Electrode supports via rigid connection to vessel