Ultra high mass range mass spectrometer systems

H - Electricity – 01 – J

Patent

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H01J 49/04 (2006.01) H01J 40/04 (2006.01) H01J 49/40 (2006.01)

Patent

CA 2582006

A mass spectrometer system includes an inlet system having an aerodynamic lens system for collimating charged particles into a beam, and an aerodynamic kinetic energy reducing device for receiving and slowing the charged particles to near zero kinetic energy. A detection system receives and identifies a mass of the charged particles. The aerodynamic kinetic energy reducing device can be a reverse jet or a pathway through a stagnant volume of gas. Such mass spectrometer systems can operate in a mass range from 1 to 1016 DA.

L'invention concerne un système de spectrométrie de masse comprenant un système d'entrée possédant un système de lentille aérodynamique destiné à collimater des particules chargées en un faisceau, et un dispositif de réduction d'énergie cinétique aérodynamique destiné à recevoir et ralentir les particules chargées jusqu'à l'obtention d'une énergie cinétique quasi nulle. Un système de détection reçoit et identifie une masse des particules chargées. Le dispositif de réduction d'énergie cinétique aérodynamique peut être un jet inverse ou un passage à travers un volume de gaz stagnant. Ces systèmes de spectrométrie de masse peuvent fonctionner dans une portée massique comprise entre 1 et 1016 DA.

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