MASS SPECTROMETRE Russian patent published in 2010 - IPC H01J49/40 

Abstract RU 2393579 C1

FIELD: physics.

SUBSTANCE: proposed device comprises ion mobility spectrometre, ion-optical lenses, interface of differential pump-out, time-of-flight analyser and ion detector. Note here that ion mobility spectrometer comprises ion formation chamber, drift tube with aperture element, ion gate, drift zone, gas curtain zone of mass spectrometre, drift gas inlet and power supply. Ion source of mass spectrometre comprises axially symmetric casing with walls accommodating radially-directed sample intake and ionisation device with ionising agents. Point whereat said intake device axes intersect is located opposite the apex of aperture element representing a convex-face wall with hole to intake ion at its top. Time of flight analyser represents a cylindrical condenser accommodating assembly of orthogonal acceleration with ejector electrode and ion detector.

EFFECT: higher sensitivity and reduced sizes.

4 cl, 3 dwg

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RU 2 393 579 C1

Authors

Sysoev Aleksej Aleksandrovich

Sysoev Aleksandr Alekseevich

Poteshin Sergej Stanislavovich

Dates

2010-06-27Published

2009-08-17Filed