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File:Schottky-Emitter 01.jpg

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Deutsch: Schottky Emitter bei zunehmender Vergrößerung. Der Wolfram-Einkristall mit geätzter Spitze ist auf einem Wolfram-Filament befestigt und mit einer Manschette aus Zirconiumdioxid versehen. Dieses sorgt bei der hohen Arbeitstemperatur von ca. 1800 K für einen leichteren Elektronenaustritt aus der Spitze.
English: Schottky emitter at increasing magnification. The tungsten single crystal with an etched tip is attached to a tungsten filament and provided with a sleeve made of zirconium dioxide. At the high working temperature of approx. 1800 K, this ensures easier electron discharge from the tip.[1]
Français : Émetteur dʼélectrons à effet Schottky, vu à des grossissements successivement plus grands. Le monocristal de tungstène à pointe gravée chimiquement est fixé sur un filament, en tungstène également, et pourvu dʼun manchon en dioxyde de zirconium, ce qui facilite lʼextraction des électrons de la pointe à la température de travail dʼenviron 1800 K.
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Author ErwinMeier

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  1. ↑ Bronsgeest, Merijntje:Physics of Schottky electron sources: Theory and optimum operation, ISBN 978-90-8570-434-8

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Date/TimeThumbnailDimensionsUserComment
current17:00, 1 February 2021Thumbnail for version as of 17:00, 1 February 20212,372 × 1,040 (249 KB)ErwinMeiererweitert
20:57, 29 November 2020Thumbnail for version as of 20:57, 29 November 20202,372 × 1,040 (242 KB)ErwinMeierUploaded own work with UploadWizard

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