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US 2021/0082679 A1Published application
Quadrupole devices
AssigneeMicromass UK Limited
InventorsMartin Raymond Green, David Gordon, David Langridge
Life of this patent
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Abstract
A method of operating a quadrupole device is disclosed. The method comprises applying a main drive voltage to the quadrupole device and applying three or more auxiliary drive voltages to the quadrupole device. The three or more auxiliary drive voltages correspond to two or more pairs of X-band or Y-band auxiliary drive voltages.
Claims20
A method of operating a quadrupole device comprising:
- applying a main drive voltage to the quadrupole device;
- and
- applying three or more auxiliary drive voltages to the quadrupole device;
- wherein the three or more auxiliary drive voltages correspond to two or more pairs of X-band or Y-band auxiliary drive voltages.
1 more element
A quadrupole device comprising:
- a plurality of electrodes;
- and
- one or more voltage sources configured to:
- apply a main drive voltage to the electrodes;
- and
- apply three or more auxiliary drive voltages to the electrodes;
- wherein the three or more auxiliary drive voltages correspond to two or more pairs of X-band or Y-band auxiliary drive voltages.
4 more elements
Dependencies are inferred from the claim text.