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Publication of NL18162CpublicationCriticalpatent/NL18162C/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
H01J9/38—Exhausting, degassing, filling, or cleaning vessels
H01J9/395—Filling vessels
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
Inrichting ten behoeve van elektronenemissie voorzien van een elektronenemittend lichaam met een laag van uittreepotentiaal verlagend materiaal en werkwijze voor het aanbrengen van een dergelijke laag van uittreepotentiaal verlagend materiaal.