The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 03, 2007

Filed:

Apr. 09, 2004
Applicants:

Alan L. Rockwood, Provo, UT (US);

Edgar D. Lee, Highland, UT (US);

Nosa Agbonkonkon, Provo, UT (US);

Milton L. Lee, Pleasant Grove, UT (US);

Inventors:

Alan L. Rockwood, Provo, UT (US);

Edgar D. Lee, Highland, UT (US);

Nosa Agbonkonkon, Provo, UT (US);

Milton L. Lee, Pleasant Grove, UT (US);

Assignee:

Brigham Young University, Salt Lake City, UT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cross-flow ion mobility analyzer (CIMA) that includes a component of gas flow that opposes an electric field that is established within a channel, wherein ions are carried through the channel, wherein ions of a specific mobility are trapped by the opposing electric field and flow field within the channel and are detected when the ions reach the end of the channel, wherein a detector at the end of the channel sees a continuous stream of mobility-selected ions, and wherein different ions are selected by modifying the electric field and/or the velocity of the flow field.


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