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Semicon Associates Inc
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Semicon Associates Inc
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Publication date
Application filed by Semicon Associates IncfiledCriticalSemicon Associates Inc
Priority to FR922619ApriorityCriticalpatent/FR1361896A/fr
Application grantedgrantedCritical
Publication of FR1361896ApublicationCriticalpatent/FR1361896A/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)
FR922619A1963-01-251963-01-25Cathode en tungstène imprégné et procédé pour sa fabrication
ExpiredFR1361896A
(fr)