WO2005017943A3 - Method and apparatus for plasma generation - Google Patents

Method and apparatus for plasma generation Download PDF

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Publication number
WO2005017943A3
WO2005017943A3 PCT/US2004/023217 US2004023217W WO2005017943A3 WO 2005017943 A3 WO2005017943 A3 WO 2005017943A3 US 2004023217 W US2004023217 W US 2004023217W WO 2005017943 A3 WO2005017943 A3 WO 2005017943A3
Authority
WO
WIPO (PCT)
Prior art keywords
plasma
electrodes
plasma generation
ionization
creates
Prior art date
Application number
PCT/US2004/023217
Other languages
French (fr)
Other versions
WO2005017943A2 (en
Inventor
Raanan A Miller
Erkinjon G Nazarov
Evgeny Krylov
Gary A Eiceman
John A Wright
Stephen D Kendig
James C Morris
Douglas B Cameron
Original Assignee
Sionex Corp
Raanan A Miller
Erkinjon G Nazarov
Evgeny Krylov
Gary A Eiceman
John A Wright
Stephen D Kendig
James C Morris
Douglas B Cameron
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sionex Corp, Raanan A Miller, Erkinjon G Nazarov, Evgeny Krylov, Gary A Eiceman, John A Wright, Stephen D Kendig, James C Morris, Douglas B Cameron filed Critical Sionex Corp
Priority to EP04778627A priority Critical patent/EP1656688A2/en
Priority to CA002533311A priority patent/CA2533311A1/en
Publication of WO2005017943A2 publication Critical patent/WO2005017943A2/en
Publication of WO2005017943A3 publication Critical patent/WO2005017943A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J27/00—Ion beam tubes
    • H01J27/02—Ion sources; Ion guns
    • H01J27/16—Ion sources; Ion guns using high-frequency excitation, e.g. microwave excitation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

An RF-driven plasma source, including a pair of spaced-apart plasma electrodes, wherein the electrodes act as plates of a capacitor, the gas electrically discharges and creates a plasma of both positive and negative ions, in a clean process that enables efficient sample analysis, with preferred isolated sample photo-ionization, reduced-power operation and also including signal detection with modulated drive electronics.
PCT/US2004/023217 2003-07-17 2004-07-19 Method and apparatus for plasma generation WO2005017943A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04778627A EP1656688A2 (en) 2003-07-17 2004-07-19 Method and apparatus for plasma generation
CA002533311A CA2533311A1 (en) 2003-07-17 2004-07-19 Method and apparatus for plasma generation

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US48801903P 2003-07-17 2003-07-17
US60/488,019 2003-07-17
US49816303P 2003-08-27 2003-08-27
US49809303P 2003-08-27 2003-08-27
US60/498,093 2003-08-27
US60/498,163 2003-08-27
US51836703P 2003-11-08 2003-11-08
US60/518,367 2003-11-08

Publications (2)

Publication Number Publication Date
WO2005017943A2 WO2005017943A2 (en) 2005-02-24
WO2005017943A3 true WO2005017943A3 (en) 2005-08-04

Family

ID=34199241

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/023217 WO2005017943A2 (en) 2003-07-17 2004-07-19 Method and apparatus for plasma generation

Country Status (2)

Country Link
EP (1) EP1656688A2 (en)
WO (1) WO2005017943A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8563924B2 (en) * 2011-06-28 2013-10-22 Agilent Technologies, Inc. Windowless ionization device
US8410704B1 (en) * 2011-11-30 2013-04-02 Agilent Technologies, Inc. Ionization device
CN108614029A (en) * 2018-05-12 2018-10-02 重庆邮电大学 High-sensitivity miniature optic ionized sensor
CN109884165A (en) * 2019-03-11 2019-06-14 重庆邮电大学 Photoionization detector ionisation chamber and photoionization detector

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6509562B1 (en) * 1999-09-16 2003-01-21 Rae Systems, Inc. Selective photo-ionization detector using ion mobility spectrometry

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6509562B1 (en) * 1999-09-16 2003-01-21 Rae Systems, Inc. Selective photo-ionization detector using ion mobility spectrometry

Also Published As

Publication number Publication date
EP1656688A2 (en) 2006-05-17
WO2005017943A2 (en) 2005-02-24

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