Filament assembly

A filament assembly 22 for mounting on a source assembly (1, fig. 5) of a mass spectrometer, comprising: a body 300; and two filament mounting arms 321 extending outwardly from a surface of the body 300, wherein at least a portion of each filament mounting arm 321 proximal to the distal end comprise...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Richard Tyldesley-Worster, Dennis Ong, Alastair Murray Booth, Marcus Dawber, Alvin Chua, Carl Gang Chen, Enchen Guo
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A filament assembly 22 for mounting on a source assembly (1, fig. 5) of a mass spectrometer, comprising: a body 300; and two filament mounting arms 321 extending outwardly from a surface of the body 300, wherein at least a portion of each filament mounting arm 321 proximal to the distal end comprises first and second flat portions 322,323, parallel to one another; and wherein the body 300 further comprises at least two electrical contact pads 315 on an outer surface and each of the filament mounting arms 321 is electrically connected to a respective one of the electrical contact pads 315. The filament mounting arms 323 may comprise at least in part a nickel-cobalt ferrous alloy such as Kovar(RTM).