Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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49/00
Particle spectrometers or separator tubes
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H01J49/26
Mass spectrometers or separator tubes
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H01J49/42
Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
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H01J49/426
Methods for controlling ions
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H01J49/427
Ejection and selection methods
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H01J49/428
Applying a notched broadband signal
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