Mass spectroscope and method for analysis

Details Mass spectroscope and method for analysis Mass spectroscope and method for analysis

2005-11-01

2005-11-01

Berman, Jack I. (Department: 2881)

Radiant energy

Ionic separation or analysis

With sample supply means

C250S282000, C250S292000

Reexamination Certificate

active

06960762

ABSTRACT:
A mass spectroscope includes an ion source for generating ions, a mass spectrometry portion, and an ion retention portion arranged between the ion source and mass spectrometry portion for storing, cooling and/or dissociating the ions before the ions are discharged into the mass spectrometry portion. The mass spectroscope further includes a flow adjusting device for adjusting a gas flowing into the ion retention portion from an outside, and a control device for controlling the flow adjusting device in order to appropriately set a gas pressure in the ion retention portion according to an operation mode such as an introducing operation, a retention operation, and a discharging operation.

REFERENCES:
patent: 6545268 (2003-04-01), Verentchikov et al.

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