TURBO MOLECULAR PUMP FOR MASS SPECTROMETER

The invention relates to turbo molecular pumps enabling high pumping speed. The disclosure suggests using one or more cage-like rotor stages to optimize pumping speed on vacuum systems with low gas flows and low ultimate pressures. This allows for a smaller motor as well as smaller overall form fact...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Urs STEINER, Jochen FRANZEN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to turbo molecular pumps enabling high pumping speed. The disclosure suggests using one or more cage-like rotor stages to optimize pumping speed on vacuum systems with low gas flows and low ultimate pressures. This allows for a smaller motor as well as smaller overall form factor and makes it well suited, in particular, for compact mass spectrometers and desk-top mass spectrometers.