Thermo Fisher Scientific (bremen) Gmbh

Erik Couzijn

Jan-Peter Hauschild

Amelia Corinne Peterson

Denis Chernyshev

Disclosed herein is an ion supply system, having an ion source emitting ions into a fore vacuum chamber, an ion transport device having stacked electrodes arranged in the fore vacuum chamber, a control system supplying an oscillatory voltage to the electrodes of the ion transport device and a vacuum chamber, arranged downstream from the ion transport device. A vacuum gauge is arranged in the vacuum chamber. The pressure signal of the vacuum gauge is supplied to the control system supplying the oscillatory voltage to electrodes of the ion transport device. The control system adjusts the amplitude of the oscillatory voltage in accordance with the pressure signal.

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Bremen, Germany

Erik Couzijn