Mass spectrometer, mass spectrometry, and monitoring system

Details Mass spectrometer, mass spectrometry, and monitoring system Mass spectrometer, mass spectrometry, and monitoring system

2005-01-04

2005-01-04

Font, Frank G. (Department: 2883)

Radiant energy

Ionic separation or analysis

With sample supply means

C250S42300F

Reexamination Certificate

active

06838664

ABSTRACT:
An ion source using a corona discharge for ionizing a sample at high efficient is provided. In the corona discharge generated at a tip end of a needle electrode by application of high voltage thereto, the direction in which the sample is introduced to the region of corona discharge and the direction in which ions are drawn out of the corona discharge region are substantially opposed to each other to improve the efficiency of ionization and to maintain a stable discharge for a long period of time.

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