Portable mass spectrometers

Radiant energy – Ionic separation or analysis

Reexamination Certificate

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Details

C250S282000, C250S283000, C250S292000, C250S300000

Reexamination Certificate

active

11218635

ABSTRACT:
The present invention relates to a mass spectrometer, and more specifically a portable mass spectrometer. In one implementation, the mass spectrometer includes a toroidal transformer. In another implementation, the mass spectrometer includes feedback circuitry to monitor signals applied in the mass spectrometer.

REFERENCES:
patent: 3495186 (1970-02-01), Wright
patent: 3621464 (1971-11-01), Bryndza et al.
patent: 3641340 (1972-02-01), Van Der Grinten et al.
patent: 5579202 (1996-11-01), Tolfsen et al.
patent: 5734163 (1998-03-01), Hayashi et al.
patent: 6205043 (2001-03-01), Chutjian et al.
patent: 6434031 (2002-08-01), Chutjian et al.
patent: 6583702 (2003-06-01), Chutjian et al.
patent: 6982413 (2006-01-01), Knecht et al.
Stafford, G.C. et al., “Recent Improvements in and Analytical Applications of Advanced Ion Trap Technology,”Int'l J. Mass. Spectrom. Ion Processes, 60, 85-98 (1984).
Franzen, J., “The Non-Linear Ion Trap. Part 4. Mass Selective Instability Scan With Multipole Superposition,”Int'l J. Mass. Spectrom. Ion Processes, 125, 165-70 (1993).
Wells, J.M. et al., “A Quadrupole Ion Trap with Cylindrical Geometry Operated in the Mass-Selective Instability Mode,”Anal. Chem., 70, 438-444 (1998).
Louris, J. et al., “The Paul Ion Trap Mass Selective Instability Scan: Trap Geometry and Resolution,”Proceedings of the 40thASMS Conference on Mass Spectrometry and Allied Topics, Washington, D.C. (1992).
Patterson, G.E. et al., “An Alternate Ion Instability Scan Mode for a Quadrupole Ion Trap,”Proceedings of the 47thASMS Conference on Mass Spectrometry and Allied Topics, Dallas, TX (1999).

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