METHODS AND DEVICE FOR CONTROLLING INSTALLATION INCORPORATING QUADRUPLE ION TRAP Russian patent published in 2005 - IPC

Abstract RU 2249275 C2

FIELD: ion catching, selection, and/or analyzing ion mass.

SUBSTANCE: digital excitation device for quadruple installation such as quadruple ion trap 20, 21 has digital signal generator 11, 13, 14, and switching equipment 16, 17 that functions to alternately change over voltages 18, 19 from higher to lower level (V₁, V₂) and vice versa for shaping voltage in the form of square wave. Dipole excitation voltage is also supplied to quadruple installation for exciting resonant vibration motions of ions.

EFFECT: enlarged functional capabilities.

30 cl, 7 dwg

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RU 2 249 275 C2

Authors

Ding Li

Nattoll Dzhejms Ehdvard

Dates

2005-03-27—Published

2000-10-16—Filed