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Application filed by Philips NvfiledCriticalPhilips Nv
Publication of CH258432ApublicationCriticalpatent/CH258432A/fr
H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
H01J9/02—Manufacture of electrodes or electrode systems
H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
H01J9/042—Manufacture, activation of the emissive part
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Solid Thermionic Cathode
(AREA)
CH258432D1944-11-041946-09-07Procédé de fabrication de la cathode d'un tube à décharge.
CH258432A
(fr)
Procédé pour la fabrication d'une matière convenant à l'obtention d'un revêtement émetteur sur les cathodes à oxyde, et pour la fabrication de cathodes à oxyde