Exhaust port design for API sources

Details Exhaust port design for API sources Exhaust port design for API sources

2006-12-05

2006-12-05

Berman, Jack (Department: 2881)

Radiant energy

Ionic separation or analysis

With sample supply means

C250S282000, C250S42300F, C250S424000, C250S425000

Reexamination Certificate

active

07145138

ABSTRACT:
An atmospheric pressure ionization source is provided. The atmospheric pressure ionization source comprises a chamber housing, a spray probe that produces a spray cone along a spray axis within the chamber, and an exhaust port opposite the spray probe on the housing. The exhaust port includes at least two segments, a first segment of the exhaust port is disposed between a second segment and an opening through the housing that receives the spray cone. The first segment defines a first axis that is co-axial with the spray axis, and the second segment defines a second axis that is angled relative to the first axis.

REFERENCES:
patent: 6573494 (2003-06-01), Andrien et al.
patent: 6759650 (2004-07-01), Covey et al.
patent: 2005/0258358 (2005-11-01), Thakur

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