CA2409346A1 - Mass spectrometer - Google Patents

Mass spectrometer Download PDF

Info

Publication number
CA2409346A1
CA2409346A1 CA 2409346 CA2409346A CA2409346A1 CA 2409346 A1 CA2409346 A1 CA 2409346A1 CA 2409346 CA2409346 CA 2409346 CA 2409346 A CA2409346 A CA 2409346A CA 2409346 A1 CA2409346 A1 CA 2409346A1
Authority
CA
Canada
Prior art keywords
mass spectrometer
mass
mass analyser
analyser
injected
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA 2409346
Other languages
French (fr)
Other versions
CA2409346C (en
Inventor
Robert Harold Bateman
Martin Green
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Micromass UK Ltd
Original Assignee
Micromass UK Ltd
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
Priority claimed from GBGB0125241.0A external-priority patent/GB0125241D0/en
Priority claimed from GB0221502A external-priority patent/GB0221502D0/en
Application filed by Micromass UK Ltd filed Critical Micromass UK Ltd
Publication of CA2409346A1 publication Critical patent/CA2409346A1/en
Application granted granted Critical
Publication of CA2409346C publication Critical patent/CA2409346C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/26—Mass spectrometers or separator tubes
    • H01J49/34—Dynamic spectrometers
    • H01J49/40—Time-of-flight spectrometers
    • H01J49/401—Time-of-flight spectrometers characterised by orthogonal acceleration, e.g. focusing or selecting the ions, pusher electrode

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

A mass spectrometer is disclosed wherein the pusher electrode 4 of a Time of Flight mass analyser is operated in conjunction with an ion gate 2 to ensure that low mass background or matrix ions are not injected into the drift region 5 of the mass analyser.
CA 2409346 2001-10-22 2002-10-22 Mass spectrometer Expired - Fee Related CA2409346C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GBGB0125241.0A GB0125241D0 (en) 2001-10-22 2001-10-22 Mass spectrometer
GB0125241.0 2001-10-22
GB0127662.5 2001-11-19
GBGB0127662.5A GB0127662D0 (en) 2001-10-22 2001-11-19 Mass Spectrometer
GB0221502.8 2002-09-17
GB0221502A GB0221502D0 (en) 2001-10-22 2002-09-17 Mass spectrometer

Publications (2)

Publication Number Publication Date
CA2409346A1 true CA2409346A1 (en) 2003-04-22
CA2409346C CA2409346C (en) 2007-01-09

Family

ID=27256302

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2409346 Expired - Fee Related CA2409346C (en) 2001-10-22 2002-10-22 Mass spectrometer

Country Status (3)

Country Link
EP (1) EP1306881B1 (en)
CA (1) CA2409346C (en)
GB (1) GB2388955B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2428876B (en) * 2004-04-05 2008-10-01 Micromass Ltd Mass spectrometer
EP1738396B1 (en) * 2004-04-05 2018-10-31 Micromass UK Limited Mass spectrometer
GB0427632D0 (en) * 2004-12-17 2005-01-19 Micromass Ltd Mass spectrometer
GB201104292D0 (en) * 2011-03-15 2011-04-27 Micromass Ltd M/z targets attenuation on time of flight instruments
CN106098528B (en) * 2016-06-14 2017-12-19 清华大学深圳研究生院 A kind of apparatus and method for reducing ionic migration spectrometer ion gate inductive kick

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6011259A (en) * 1995-08-10 2000-01-04 Analytica Of Branford, Inc. Multipole ion guide ion trap mass spectrometry with MS/MSN analysis
US5689111A (en) * 1995-08-10 1997-11-18 Analytica Of Branford, Inc. Ion storage time-of-flight mass spectrometer
WO1999038194A1 (en) * 1998-01-23 1999-07-29 Analytica Of Branford, Inc. Mass spectrometry from surfaces
JP2000251831A (en) * 1999-03-01 2000-09-14 Jeol Ltd Mass spectrometer
GB0029040D0 (en) * 2000-11-29 2001-01-10 Micromass Ltd Orthogonal time of flight mass spectrometer
JP3990889B2 (en) * 2001-10-10 2007-10-17 株式会社日立ハイテクノロジーズ Mass spectrometer and measurement system using the same

Also Published As

Publication number Publication date
EP1306881B1 (en) 2008-10-01
EP1306881A2 (en) 2003-05-02
CA2409346C (en) 2007-01-09
GB2388955A (en) 2003-11-26
EP1306881A3 (en) 2004-11-10
GB2388955B (en) 2004-09-01
GB0224594D0 (en) 2002-12-04

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Legal Events

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EEER Examination request
MKLA Lapsed

Effective date: 20201022