Ion focusing

Cooks, Robert Graham; Baird, Zane; Peng, Wen-Ping

Title: Ion focusing

Patent · Tue Jul 03 00:00:00 EDT 2018

OSTI ID:1461502

Cooks, Robert Graham; Baird, Zane; Peng, Wen-Ping

The invention generally relates to apparatuses for focusing ions at or above ambient pressure and methods of use thereof. In certain embodiments, the invention provides an apparatus for focusing ions that includes an electrode having a cavity, at least one inlet within the electrode configured to operatively couple with an ionization source, such that discharge generated by the ionization source is injected into the cavity of the electrode, and an outlet. The cavity in the electrode is shaped such that upon application of voltage to the electrode, ions within the cavity are focused and directed to the outlet, which is positioned such that a proximal end of the outlet receives the focused ions and a distal end of the outlet is open to ambient pressure.

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Research Organization:: Purdue Univ., West Lafayette, IN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FG02-06ER15807

Assignee:: Purdue Research Foundation (West Lafayette, IN)

Patent Number(s):: 10,014,169

Application Number:: 15/407,499

OSTI ID:: 1461502

Resource Relation:: Patent File Date: 2017 Jan 17

Country of Publication:: United States

Language:: English

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