Mass spectrometer for simultaneous detection of reflected...

Details Mass spectrometer for simultaneous detection of reflected... Mass spectrometer for simultaneous detection of reflected...

2005-01-18

2005-01-18

Lee, John R. (Department: 2881)

Radiant energy

Ionic separation or analysis

Ion beam pulsing means with detector synchronizing means

C250S281000, C250S282000, C250S286000

Reexamination Certificate

active

06844544

ABSTRACT:
Techniques for simultaneously detecting direct and reflected ions in a time-of-flight tube (120) and a source (110) for generating an ion beam of ions of a sample and introducing the ion beam into a first portion of the flight tube. A reflector (126) reflects ions from the ion beam in a second portion of the flight tube. A plate (140) substantially perpendicular to an axis of the ion beam is located between the first portion of the flight tube and the second portion of the flight tube. The plate has a hole through which some ions in the ion beam may pass from the first portion to the second portion of the flight tube. Each of two opposite faces of the plate includes a set of one or more ion detectors (140). The technique allows rapid, reliable detection of complex agents in a small number of samples.

REFERENCES:
patent: 5160840 (1992-11-01), Vestal
patent: 5464985 (1995-11-01), Cornish et al.
patent: 5981946 (1999-11-01), Mason
patent: 6013913 (2000-01-01), Hanson
patent: 6534764 (2003-03-01), Verentchikov et al.
patent: 6545268 (2003-04-01), Verentchikov et al.
Patent Cooperation Treaty International Search Report for PCT/US02/29982 mailed Feb. 26, 2002.

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