CPC H01J 49/0036 (2013.01) [H01J 49/067 (2013.01); H01J 49/4265 (2013.01)] | 18 Claims |
1. A charge detection mass spectrometry device comprising:
an ion trap for holding one or more ions to be analysed; and
at least one charge detector within the ion trap for determining a charge for the one or more ions to be analysed,
wherein a substantially quadratic potential is applied to the ion trap such that ions undergo substantially harmonic motion within the ion trap, and
wherein the at least one charge detector is positioned at the centre of the substantially quadratic potential.
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