H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 49/06 (2006.01)
Patent
CA 2700316
An ion guiding device is disclosed comprising a first ion guide (7) which is conjoined with a second ion guide (8). Ions are urged across a radial pseudo-potential barrier which separates the two guiding regions by a DC potential gradient. Ions may be transferred from an ion guide which has a relatively large cross- sectional profile to an ion guide which has a relatively small cross--sectional profile in order to improve the subsequent ion confinement of the ions.
La présente invention concerne un dispositif de guidage ionique comprenant un premier guide ionique (7) qui est accolé à un second guide ionique (8). Des ions sont poussés à travers une barrière pseudopotentielle radiale qui sépare les deux régions de guidage par un gradient de potentiel CC. Les ions peuvent être transférés depuis un guide ionique qui présente un profil en coupe transversale relativement grand vers un guide ionique qui présente un profil en coupe transversale relativement petit afin d'améliorer le confinement ionique ultérieur des ions.
Micromass Uk Limited
Ridout & Maybee Llp
LandOfFree
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