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
Extranuclear Laboratories Inc
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 Extranuclear Laboratories Inc filed Critical Extranuclear Laboratories Inc
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 (Direct)
CA (1) CA1048164A (Direct)
DE (1) DE2550002A1 (Direct)
FR (1) FR2294541A2 (Direct)
GB (1) GB1515406A (Direct)

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

Similar Documents

Publication Publication Date Title
EP0813228B1 (en) Plasma mass spectrometer
US4350927A (en) Means for the focusing and acceleration of parallel beams of charged particles
US3410997A (en) Multipole mass filter
EP0292180A1 (en) Method of operating an ion trap mass spectrometer
US9029764B2 (en) Mass spectrometric ion storage device for different mass ranges
JPH0359547B2 (Direct)
JP2005535080A (ja) 二次元の略四重極電場を生成する改良された幾何形状
Bletsos et al. Time-of-flight secondary ion mass spectrometry: detection of fragments from thick polymer films in the range m/z. ltoreq. 4500
US3936634A (en) Method and apparatus for improved focusing of ion currents in quadrupole mass filter
US3867632A (en) Methods and apparatus for spatial separation of AC and DC electrical fields with application to fringe fields in quadrupole mass filters
US4392080A (en) Means and method for the focusing and acceleration of parallel beams of charged particles
US4760262A (en) Ion source
JP2706471B2 (ja) 静電掃引型イオン注入機用平行掃引装置
CN216871894U (zh) 飞行时间质谱仪及其离子囚禁释放装置
GB2203589A (en) Collision cell for triple quadrupole tandem mass spectrometry
US3937954A (en) Methods and apparatus for spatial separation of AC and DC electric fields, with application to fringe fields in quadrupole mass filters
CA2643534A1 (en) Fragmentation methods for mass spectrometry
CA1059656A (en) Charged particle beam apparatus
CA1048164A (en) Method and apparatus for improved focusing of ion currents in quadrupole mass filters
US4013887A (en) Methods and apparatus for spatial separation of ac and dc electric fields with application to fringe fields in quadrupole mass filters
US4166952A (en) Method and apparatus for the elemental analysis of solids
CN119275082B (zh) 具有辅助电极的双螺旋离子漏斗
Yamano et al. Charging characteristics and electric field distribution on alumina as affected by triple junctions in vacuum
US3371205A (en) Multipole mass filter with a pulsed ionizing electron beam
CN110189979A (zh) 一种非对齐多段式四极杆导引的离子传输装置