Radiant energy – Ionic separation or analysis – With sample supply means
Reexamination Certificate
2011-08-23
2011-08-23
Kim, Robert (Department: 2881)
Radiant energy
Ionic separation or analysis
With sample supply means
C250S281000, C250S282000, C250S283000, C250S42300F, C250S424000
Reexamination Certificate
active
08003935
ABSTRACT:
A system and methods are described for generating reagent ions and product ions for use in a quadruple mass spectrometry system. A microwave or high-frequency RF energy source ionizes particles of a reagent vapor to form reagent ions. The reagent ions enter a chamber, such as a drift chamber, to interact with a fluid sample. An electric field directs the reagent ions and facilitates an interaction with the fluid sample to form product ions. The reagent ions and product ions then exit the chamber under the influence of an electric field for detection by a quadruple mass spectrometer module. The system includes various control modules for setting values of system parameters and analysis modules for detection of mass values for ion species during spectrometry and faults within the system.
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Attwood Mark
Chen Xing
Holber William M.
Longson Mark Philip
Palk Jonathan Henry
Kim Robert
Logie Michael J
MKS Instruments Inc.
Proskauer Rose LLP
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