Dh Technologies Development Pte. Ltd.

Alexander Tsipirovich

Thomas R Covey

Chang Liu

Robert Haufler

John Vandermey

William Morgan Loyd

Stanislaw Potyrala

Robert E Haufler

A ring stacked accelerator for use in a mass spectrometer includes a plurality of ring shaped plates arranged in a stack and is electrically coupled to a voltage divider that allows a substantially homogeneous electric field to be produced when the stack is energized. The voltage divider can include resistors and capacitors, where the capacitors are chosen to compensate for parasitic capacitances experienced by the plates. The ring stacked accelerator can be energized using an RF pulse. The ring stack accelerator can include one or more balancing capacitors for correcting effects that cause nonlinearity.

Homogenization of the pulsed electric field created in a ring stack ion accelerator

Systems, devices, circuits, and methods are provided for an improved mass spectrometry detection system that comprises at least one component that operates at a high voltage. A number of high voltage filters or circuits are provided for reducing noise from high voltage power supplies that produce positive and negative voltages. In some embodiments, the filters can comprise one or more diodes. In some embodiments, the filters can comprise one or more transistors. In some embodiments, the filters can comprise one or more transistor pairs. A variety of embodiments of systems, devices, circuits, and methods in conjunction with the disclosures are provided.

High voltage power supply filter for a mass spectrometer

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Toronto, Canada

Alexander Tsipirovich