SIFT-MS instruments

Details SIFT-MS instruments SIFT-MS instruments

2004-11-24

2008-09-30

Berman, Jack I. (Department: 2881)

Radiant energy

Ionic separation or analysis

With sample supply means

C250S287000, C250S282000, C250S285000, C250S297000, C250S281000, C250S286000, C250S292000, C250S42300F, C250S3960ML, C250S290000

Reexamination Certificate

active

07429730

ABSTRACT:
A SIFT or SIFDT apparatus in which the upstream quadrupole and the downstream quadrupole are housed within a single evacuated chamber with the upstream quadrupole being connected to the downstream quadrupole by a curved flow tube. In a preferred form the interior of the chamber is divided into sections by an electrostatic shield which shields the upstream quadrupole and source connection from the downstream quadrupole and detector.

REFERENCES:
patent: 5117194 (1992-05-01), Nakanishi et al.
patent: 5202563 (1993-04-01), Cotter et al.
patent: 6498342 (2002-12-01), Clemmer
patent: 237259 (1987-09-01), None

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