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Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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Application filed by CSF Compagnie Generale de Telegraphie sans Fil SAfiledCriticalCSF Compagnie Generale de Telegraphie sans Fil SA
Application grantedgrantedCritical
Publication of FR1111833ApublicationCriticalpatent/FR1111833A/en
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)
FR1111833D1954-09-301954-09-30
Manufacturing process of cathodes for electron tubes
ExpiredFR1111833A
(en)