Ion mobility spectrometer using frequency-domain separation

Title: Ion mobility spectrometer using frequency-domain separation

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Abstract

An apparatus and method is provided for separating and analyzing chemical species in an ion mobility spectrometer using a frequency-domain technique wherein the ions generated from the chemical species are selectively transported through an ion flow channel having a moving electrical potential therein. The moving electrical potential allows the ions to be selected according to ion mobility, with certain of the ions being transported to an ion detector and other of the ions being effectively discriminated against. The apparatus and method have applications for sensitive chemical detection and analysis for monitoring of exhaust gases, hazardous waste sites, industrial processes, aerospace systems, non-proliferation, and treaty verification. The apparatus can be formed as a microelectromechanical device (i.e. a micromachine).

Inventors:

Martin, Stephen J ^[1]; Butler, Michael A ^[1]; Frye, Gregory C ^[2]; Schubert, W Kent ^[1]

Albuquerque, NM
Cedar Crest, NM

Issue Date:: 1998-01-01

Research Org.:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

OSTI Identifier:: 871760

Patent Number(s):: 5789745

Assignee:: Sandia Corporation (Albuquerque, NM)

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J49/0018 - {Microminiaturised spectrometers, e.g. chip-integrated devices, MicroElectro-Mechanical Systems [MEMS]}

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N27/622 - {separating and identifying ionized molecules based on their mobility in a carrier gas, i.e. ion mobility spectrometry

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DOE Contract Number:: AC04-94AL85000

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: mobility; spectrometer; frequency-domain; separation; apparatus; method; provided; separating; analyzing; chemical; species; technique; generated; selectively; transported; flow; channel; moving; electrical; potential; therein; allows; selected; according; detector; effectively; discriminated; applications; sensitive; detection; analysis; monitoring; exhaust; gases; hazardous; waste; sites; industrial; processes; aerospace; systems; non-proliferation; treaty; verification; formed; microelectromechanical; device; micromachine; waste sites; mobility spectrometer; industrial processes; electrical potential; flow channel; hazardous waste; exhaust gases; chemical species; industrial process; exhaust gas; chemical specie; waste site; mechanical device; chemical detection; microelectromechanical device; analyzing chemical; /250/

Citation Formats


                    Martin, Stephen J, Butler, Michael A, Frye, Gregory C, and Schubert, W Kent. Ion mobility spectrometer using frequency-domain separation.  United States: N. p., 1998. 
        Web.

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                    Martin, Stephen J, Butler, Michael A, Frye, Gregory C, & Schubert, W Kent. Ion mobility spectrometer using frequency-domain separation.  United States.

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                    Martin, Stephen J, Butler, Michael A, Frye, Gregory C, and Schubert, W Kent. Thu .  
        "Ion mobility spectrometer using frequency-domain separation".  United States.  https://www.osti.gov/servlets/purl/871760.

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@article{osti_871760,

  title        = {Ion mobility spectrometer using frequency-domain separation},

  author       = {Martin, Stephen J and Butler, Michael A and Frye, Gregory C and Schubert, W Kent},

  abstractNote = {An apparatus and method is provided for separating and analyzing chemical species in an ion mobility spectrometer using a frequency-domain technique wherein the ions generated from the chemical species are selectively transported through an ion flow channel having a moving electrical potential therein. The moving electrical potential allows the ions to be selected according to ion mobility, with certain of the ions being transported to an ion detector and other of the ions being effectively discriminated against. The apparatus and method have applications for sensitive chemical detection and analysis for monitoring of exhaust gases, hazardous waste sites, industrial processes, aerospace systems, non-proliferation, and treaty verification. The apparatus can be formed as a microelectromechanical device (i.e. a micromachine).},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1998},

  month        = {1}

}

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