Method and apparatus for spatial compression and increased mobility resolution of ions

Ibrahim, Yehia M.; Garimella, Sandilya; Smith, Richard D.

Title: Method and apparatus for spatial compression and increased mobility resolution of ions

Patent · Tue Apr 13 00:00:00 EDT 2021

OSTI ID:1823839

Ibrahim, Yehia M.; Garimella, Sandilya; Smith, Richard D.

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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Research Organization:: \; Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Number(s):: 10,976,283

Application Number:: 16/672,690

OSTI ID:: 1823839

Resource Relation:: Patent File Date: 11/04/2019

Country of Publication:: United States

Language:: English

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Method and apparatus for spatial compression and increased mobility resolution of ions Ibrahim, Yehia M.; Garimella, Sandilya; Smith, Richard D. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/10466202 US Patent Document 10,466,202	patent	November 2019

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