Ionic liquid membrane for air-to-vacuum sealing and ion...

Details Ionic liquid membrane for air-to-vacuum sealing and ion... Ionic liquid membrane for air-to-vacuum sealing and ion...

2009-07-09

2011-11-22

Berman, Jack (Department: 2881)

Radiant energy

Ionic separation or analysis

With evacuation or sealing means

C250S288000, C250S281000

Reexamination Certificate

active

08063362

ABSTRACT:
An ionic liquid membrane provides both vacuum sealing and ion transport for a mass spectrometer. Ion transport is necessary to take advantage of modern Electrospray Ionization (ESI) and Desorption Electrospray Ionization (DESI) methods. Combining vacuum sealing for the mass spectrometer with ion transport into the mass spectrometer reduces, and can eliminate, the need for multiple differential pumping stages significantly reducing size, weight and power requirements.

REFERENCES:
patent: 7087436 (2006-08-01), Baumgardner et al.
patent: 2007/0278401 (2007-12-01), Finlay
patent: 2011/0006198 (2011-01-01), Whitehouse et al.

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