Title:
ELECTROSPRAY IONIZATION UTILIZING AUXILIARY GAS
Document Type and Number:
WIPO Patent Application WO/2010/090957
Kind Code:
A3
Abstract:
An electrospray ionization device includes a sample conduit providing a sample flow path in a sample flow direction; a first gas conduit surrounding the sample conduit and having an annular outlet; a support structure surrounding the sample conduit; a housing surrounding the sample conduit and includes a first end at the support structure and an axially opposite open second end; and a second gas conduit. The first gas conduit provides a first gas flow path in the sample flow direction. The second gas conduit has a second gas inlet and a second gas outlet in open communication with the housing and provides a second gas flow path from the second gas outlet into the housing that is in the sample flow direction, surrounds the sample conduit and is constrained in a radial direction by the housing.
Inventors:
WANG MINGDA (US)
SABA JOSEPH S (US)
SABA JOSEPH S (US)
Application Number:
PCT/US2010/022652
Publication Date:
November 04, 2010
Filing Date:
January 29, 2010
Export Citation:
Assignee:
VARIAN INC (US)
WANG MINGDA (US)
SABA JOSEPH S (US)
WANG MINGDA (US)
SABA JOSEPH S (US)
International Classes:
H01J49/10; G01N27/62; H01J49/04
Foreign References:
| US7199364B2 | 2007-04-03 | |||
| US7473893B2 | 2009-01-06 | |||
| US20050269518A1 | 2005-12-08 |
Attorney, Agent or Firm:
FISHMAN, Bella et al. (IncLegal Department,3120 Hansen Way, D-10, Palo Alto CA, US)
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