CA2033753A1 - Generation of an exact three-dimensional quadrupole electric field - Google Patents

Generation of an exact three-dimensional quadrupole electric field

Info

Publication number
CA2033753A1
CA2033753A1 CA2033753A CA2033753A CA2033753A1 CA 2033753 A1 CA2033753 A1 CA 2033753A1 CA 2033753 A CA2033753 A CA 2033753A CA 2033753 A CA2033753 A CA 2033753A CA 2033753 A1 CA2033753 A1 CA 2033753A1
Authority
CA
Canada
Prior art keywords
field
charged particles
boundaries
exact
generation
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
CA2033753A
Other languages
French (fr)
Other versions
CA2033753C (en
Inventor
Yang Wang
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.)
Bruker Daltonics GmbH and Co KG
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2033753A1 publication Critical patent/CA2033753A1/en
Application granted granted Critical
Publication of CA2033753C publication Critical patent/CA2033753C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J49/424—Three-dimensional ion traps, i.e. comprising end-cap and ring electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/025—Detectors specially adapted to particle spectrometers
    • H01J49/027—Detectors specially adapted to particle spectrometers detecting image current induced by the movement of charged particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Tubes For Measurement (AREA)

Abstract

An exact three-dimensional rotationally symmetric quadrupole field or an electric field of higher multipole moments can be generated by closed boundaries with continuously varied potential, especially with linearly variable potential, in the ideal case by simple cone-shaped boundaries with linearly variable potential. An example for the application of the field is storage of charged particles inside the closed boundaries.
Within the same cone-shaped boundaries, a homogeneous ideal field in the direction of the symmetry axis can be superimposed.
This field can be employed for excitation of the kinetic energy, for quenching, or for energy analysis of the stored charged particles. For the generation of mass spectra the mass-to-charge specific fundamental frequencies of the charged particles stored in the electrode structure are excited. The image currents induced in the electrode structure are frequency analysed (e.g.
by Fourier transform).
CA002033753A 1990-01-08 1991-01-08 Generation of an exact three-dimensional quadrupole electric field Expired - Lifetime CA2033753C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP1990/000030 WO1991011016A1 (en) 1990-01-08 1990-01-08 Generation of an exact three-dimensional quadrupole electric field
EPPCT/EP90/00030 1990-01-08

Publications (2)

Publication Number Publication Date
CA2033753A1 true CA2033753A1 (en) 1991-07-09
CA2033753C CA2033753C (en) 1995-11-21

Family

ID=8165455

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002033753A Expired - Lifetime CA2033753C (en) 1990-01-08 1991-01-08 Generation of an exact three-dimensional quadrupole electric field

Country Status (4)

Country Link
EP (1) EP0509986B1 (en)
CA (1) CA2033753C (en)
DE (1) DE69019829T2 (en)
WO (1) WO1991011016A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206506A (en) * 1991-02-12 1993-04-27 Kirchner Nicholas J Ion processing: control and analysis
GB0816258D0 (en) * 2008-09-05 2008-10-15 Ulive Entpr Ltd Process
DE102011118052A1 (en) 2011-11-08 2013-07-18 Bruker Daltonik Gmbh Breeding of overtones in vibration mass spectrometers
CN115856453B (en) * 2022-12-05 2025-06-06 广东电网有限责任公司 A method for calculating the electric field intensity on the surface of overhead transmission line conductors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT528250A (en) * 1953-12-24
US3527939A (en) * 1968-08-29 1970-09-08 Gen Electric Three-dimensional quadrupole mass spectrometer and gauge
US3648046A (en) * 1970-05-18 1972-03-07 Granville Phillips Co Quadrupole gas analyzer comprising four flat plate electrodes
SU1104602A1 (en) * 1982-02-19 1984-07-23 Рязанский Радиотехнический Институт Method of analyzing ions in three-dimensional trap-type hyperboloidal mass spectrometer

Also Published As

Publication number Publication date
DE69019829D1 (en) 1995-07-06
EP0509986B1 (en) 1995-05-31
EP0509986A1 (en) 1992-10-28
DE69019829T2 (en) 1996-03-14
CA2033753C (en) 1995-11-21
WO1991011016A1 (en) 1991-07-25

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202