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. 13, 2021

Filed:

Nov. 04, 2019
Applicant:

Battelle Memorial Institute, Richland, WA (US);

Inventors:

Yehia M. Ibrahim, Richland, WA (US);

Sandilya Garimella, Richland, WA (US);

Richard D. Smith, Richland, WA (US);

Assignee:

Battelle Memorial Institute, Richland, WA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/62 (2021.01); H01J 49/02 (2006.01); G01N 27/622 (2021.01);
U.S. Cl.
CPC ...
G01N 27/622 (2013.01); H01J 49/022 (2013.01);
Abstract

Methods and apparatuses for ion peak compression and increasing resolution of ions are disclosed. Packets of ions are introduced into a device. A first electric field is applied for dispersing the ion packets temporally or spatially according to their mobilities. A second intermittent traveling wave is applied for regrouping or merging the dispersed ion packets into a lesser number of trapping regions with narrower peaks. The ions packets are compressed into the narrower peak regions by varying a duty cycle of the intermittent traveling wave.


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