CA1048164A - Method and apparatus for improved focusing of ion currents in quadrupole mass filters - Google Patents

Method and apparatus for improved focusing of ion currents in quadrupole mass filters

Info

Publication number
CA1048164A
CA1048164A CA241,341A CA241341A CA1048164A CA 1048164 A CA1048164 A CA 1048164A CA 241341 A CA241341 A CA 241341A CA 1048164 A CA1048164 A CA 1048164A
Authority
CA
Canada
Prior art keywords
potential
ions
accordance
mass filter
ground
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.)
Expired
Application number
CA241,341A
Other languages
English (en)
French (fr)
Inventor
Wade L. Fite
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.)
Extrel CMS LLC
Original Assignee
Extrel CMS LLC
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 US05/531,375 external-priority patent/US3936634A/en
Application filed by Extrel CMS LLC filed Critical Extrel CMS LLC
Application granted granted Critical
Publication of CA1048164A publication Critical patent/CA1048164A/en
Expired 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
    • H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
    • H01J49/4205—Device types
    • H01J49/421—Mass filters, i.e. deviating unwanted ions without trapping
    • H01J49/4215—Quadrupole mass filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/06—Electron- or ion-optical arrangements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Electron Tubes For Measurement (AREA)
CA241,341A 1974-12-10 1975-12-09 Method and apparatus for improved focusing of ion currents in quadrupole mass filters Expired CA1048164A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/531,375 US3936634A (en) 1973-03-30 1974-12-10 Method and apparatus for improved focusing of ion currents in quadrupole mass filter

Publications (1)

Publication Number Publication Date
CA1048164A true CA1048164A (en) 1979-02-06

Family

ID=24117369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,341A Expired CA1048164A (en) 1974-12-10 1975-12-09 Method and apparatus for improved focusing of ion currents in quadrupole mass filters

Country Status (5)

Country Link
JP (1) JPS587227B2 (da)
CA (1) CA1048164A (da)
DE (1) DE2550002A1 (da)
FR (1) FR2294541A2 (da)
GB (1) GB1515406A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495107A (en) * 1994-04-06 1996-02-27 Thermo Jarrell Ash Corporation Analysis

Also Published As

Publication number Publication date
DE2550002A1 (de) 1976-06-16
GB1515406A (en) 1978-06-21
JPS5168887A (en) 1976-06-14
FR2294541A2 (fr) 1976-07-09
JPS587227B2 (ja) 1983-02-08
FR2294541B2 (da) 1978-12-29

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