Method and apparatus for FAIMS for in-line analysis of...

Details Method and apparatus for FAIMS for in-line analysis of... Method and apparatus for FAIMS for in-line analysis of...

2007-05-15

2007-05-15

Lee, John R. (Department: 2881)

Radiant energy

Ionic separation or analysis

Ion beam pulsing means with detector synchronizing means

C250S288000, C250S281000, C250S282000

Reexamination Certificate

active

11040303

ABSTRACT:
A method of separating ions includes providing a FAIMS analyzer region including an ion inlet orifice for providing ions thereto, and providing a sample holder along a side of the ion inlet orifice that is opposite the FAIMS analyzer. A sample material is applied to the sample holder such that sample material is disposed about first and second points along the sample holder, a distance between the first and second points being greater than a maximum dimension of the ion inlet orifice. The first point is aligned with the ion inlet orifice, and the sample material disposed about the first point is irradiated with laser light of a predetermined wavelength. Next, the sample holder is moved relative to the ion inlet so as to align the second point with the ion inlet orifice, and the sample material disposed about the second point is irradiated with laser light of a predetermined wavelength.

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patent: 2004/0232326 (2004-11-01), Guevremont et al.

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