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Mass Spectrometer

  • US 20100327157A1
  • Filed: 12/10/2007
  • Published: 12/30/2010
  • Est. Priority Date: 12/08/2006
  • Status: Active Grant
First Claim
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1. A time of flight mass analyser comprising:

  • an ion guide comprising a plurality of electrodes;

    first means arranged and adapted to confine ions radially within said ion guide; and

    second means arranged and adapted to apply a time varying inhomogeneous axial electric field along at least a portion of the axial length of said ion guide.

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