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|(12) Patent Application:||(11) CA 2447057|
|(54) English Title:||MASS SPECTROMETER|
|(54) French Title:||SPECTROMETRE DE MASSE|
A mass spectrometer is disclosed comprising a mass
filter 1 for separating ions according to their mass to
charge ratio. The mass filter 1 comprises a plurality
of electrodes 3 wherein ions are radially confined
within the mass filter 1 by the application of AC or RF
voltages to the electrodes 3. One or more transient DC
voltages or one or more transient DC voltage waveforms
are progressively applied to the electrodes 3 so that
ions having a certain mass to charge ratio are separated
from other ions having different mass to charge ratios
which remain radially confined within the mass filter 1.
|(51) International Patent Classification (IPC):||
|(72) Inventors (Country):||
|(73) Owners (Country):||
|(71) Applicants (Country):||
|(74) Agent:||RIDOUT & MAYBEE LLP|
|(22) Filed Date:||2003-10-28|
|(41) Open to Public Inspection:||2004-05-08|
|(30) Availability of licence:||N/A|
|(30) Language of filing:||English|
|(30) Application Priority Data:|
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|View Patent Image||Download Patent Image in PDF Format||Size of Image (KB)||Number of Pages|
|Cover Page||Cover Page||39||1|
|Representative Drawing||Representative Drawing||11||1|