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The advantage of the Daly detector is that the photomultiplier can be separated by a window, which lets the photons through from the high vacuum of the mass spectrometer, thus preventing an otherwise possible contamination and extending life span of the detector. The Daly detector also allows a
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Norman Daly was awarded 6 patents in the years 1962â1973 relating to ion detection and mass spectrometers, from his work at the
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Ions that hit the doorknob release secondary electrons. A high voltage (about
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flight tube, which can improve the sensitivity for heavy ions.
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higher acceleration after the field-free region of a
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548:Electron multiplier
517:Quadrupole ion trap
211:Norman Richard Daly
148:Electron multiplier
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371:DART
356:APPI
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302:Mass
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