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.)
Filing date
Publication date
Application filed by Standard Telephone & Radio SafiledCriticalStandard Telephone & Radio Sa
Publication of CH260185ApublicationCriticalpatent/CH260185A/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
H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2201/00—Electrodes common to discharge tubes
H01J2201/32—Secondary emission electrodes
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
CH260185D1941-07-111943-03-25Procédé pour la fabrication d'électrodes à émission électronique.
CH260185A
(fr)