FELDEMISSIONS-ELEKTRONENSTRAHLERZEUGUNGSSYSTEM

In a field emission electron gun including heating means for heating an anode to prevent gas emission from the anode due to bombardment thereof by the electron beam emitted from the cathode, the present invention provides a field emission electron gun including first exhaust means for defining a fir...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TODOKORO,HIDEO, SAKITANI,YOSHIO
Format: Patent
Sprache:ger
Schlagworte:
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