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 NL28979CpublicationCriticalpatent/NL28979C/xx
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)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like
(AREA)