An Extended Theoretical Method Used for Design of Sheet Beam Electron Gun

An Extended Theoretical Method Used for Design of Sheet Beam Electron Gun

An extended theoretical method based on Pierce theory is investigated in this paper to provide a reliably support and direct approaches for the design of the general sheet beam electron gun. First, the general characteristics of the sheet beam electron gun are discussed by dividing the gun into thre...

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Veröffentlicht in:IEEE transactions on electron devices 2016-11, Vol.63 (11), p.4484-4492
Hauptverfasser: Liang, Hongtao, Ruan, Cunjun, Xue, Qianzhong, Feng, Jinjun
Format: Artikel
Sprache:eng
Schlagworte:
Anode aperture
Anodes
Apertures
compression factor
correction of cylindrical aberration
design curves
Design methodology
Electron beam applications
Electron guns
extended theoretical method
sheet beam electron gun
Weapons
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Zusammenfassung:An extended theoretical method based on Pierce theory is investigated in this paper to provide a reliably support and direct approaches for the design of the general sheet beam electron gun. First, the general characteristics of the sheet beam electron gun are discussed by dividing the gun into three investigation parts, and the design curves are derived theoretically, which are quite different from the curves for circular beam gun. The valid range of curvature radius ratio of cathode to anode R c /R a for sheet beam gun is achieved as 1.879
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2016.2607933