Mass spectroscope and method of calibrating the same

Details Mass spectroscope and method of calibrating the same Mass spectroscope and method of calibrating the same

2006-10-03

2006-10-03

Berman, Jack (Department: 2881)

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

C250S292000, C250S252100, C250S282000

Reexamination Certificate

active

07115862

ABSTRACT:
An ion resonance condition is corrected accurately in an ion trapping device. Measurements are repeated by alternately applying and not applying a resonance frequency voltage while spectral data is obtained continuously. Data obtained in the absence of the resonance frequency voltage is used as reference data to correct the set data of a resonance condition. As a result, calibration can be made while taking into consideration the variations in the amount of ions that are introduced into the ion trap.

REFERENCES:
patent: 5171991 (1992-12-01), Johnson et al.
patent: 6717134 (2004-04-01), Bowdler
patent: 2005/0080578 (2005-04-01), Klee
patent: 7-14540 (1995-01-01), None

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