CA2457516C - Detecteur pour spectrometre de masse - Google Patents

Detecteur pour spectrometre de masse Download PDF

Info

Publication number
CA2457516C
CA2457516C CA2457516A CA2457516A CA2457516C CA 2457516 C CA2457516 C CA 2457516C CA 2457516 A CA2457516 A CA 2457516A CA 2457516 A CA2457516 A CA 2457516A CA 2457516 C CA2457516 C CA 2457516C
Authority
CA
Canada
Prior art keywords
detector
microchannel plate
time
detecting
electrons
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 - Fee Related
Application number
CA2457516A
Other languages
English (en)
Other versions
CA2457516A1 (fr
Inventor
Robert Harold Bateman
Martin Green
Jeff Brown
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 GB0303310A external-priority patent/GB0303310D0/en
Application filed by Micromass UK Ltd filed Critical Micromass UK Ltd
Publication of CA2457516A1 publication Critical patent/CA2457516A1/fr
Application granted granted Critical
Publication of CA2457516C publication Critical patent/CA2457516C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04Electron multipliers
    • H01J43/06Electrode arrangements
    • H01J43/18Electrode arrangements using essentially more than one dynode
    • H01J43/24Dynodes having potential gradient along their surfaces
    • H01J43/246Microchannel plates [MCP]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04Electron multipliers
    • H01J43/06Electrode arrangements
    • H01J43/18Electrode arrangements using essentially more than one dynode
    • H01J43/24Dynodes having potential gradient along their surfaces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00Particle spectrometers or separator tubes
    • H01J49/02Details
    • H01J49/025Detectors specially adapted to particle spectrometers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/244Detection characterized by the detecting means
    • H01J2237/2444Electron Multiplier

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Tubes For Measurement (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
CA2457516A 2003-02-13 2004-02-12 Detecteur pour spectrometre de masse Expired - Fee Related CA2457516C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0303310.7 2003-02-13
GB0303310A GB0303310D0 (en) 2003-02-13 2003-02-13 Mass spectrometer
GB0308592A GB0308592D0 (en) 2003-02-13 2003-04-14 Mass spectrometer
GB0308592.5 2003-04-14

Publications (2)

Publication Number Publication Date
CA2457516A1 CA2457516A1 (fr) 2004-08-13
CA2457516C true CA2457516C (fr) 2012-10-02

Family

ID=32031895

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2457516A Expired - Fee Related CA2457516C (fr) 2003-02-13 2004-02-12 Detecteur pour spectrometre de masse
CA2457522A Expired - Fee Related CA2457522C (fr) 2003-02-13 2004-02-12 Detecteur pour spectrometre de masse

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2457522A Expired - Fee Related CA2457522C (fr) 2003-02-13 2004-02-12 Detecteur pour spectrometre de masse

Country Status (3)

Country Link
CA (2) CA2457516C (fr)
DE (4) DE202004002190U1 (fr)
GB (2) GB2399677C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0409118D0 (en) * 2004-04-26 2004-05-26 Micromass Ltd Mass spectrometer
DE102011077057A1 (de) * 2011-06-07 2012-12-13 Siemens Aktiengesellschaft Strahlungsdetektor und bildgebendes System
GB2515061A (en) * 2013-06-12 2014-12-17 Isis Innovation Scintillator
CN106908484B (zh) * 2017-01-18 2020-07-31 江苏大学 一种检测y型纸质微通道混合效率的装置和方法
CN110703293B (zh) * 2019-09-29 2020-12-29 中国科学院近代物理研究所 一种单个离子实时监测装置及方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319196A1 (fr) * 1975-07-25 1977-02-18 Cameca Dispositif de mesure precis des courants ioniques et spectrometre de masse utilisant un tel dispositif
JPS6240147A (ja) * 1985-08-14 1987-02-21 Shimadzu Corp イオン検出装置
DE3903750A1 (de) * 1989-02-06 1990-08-16 Eberhard Koehler Anodenanordnung fuer einen orts- und zeitaufloesenden elektronendetektor, sowie detektoren damit
US4988867A (en) * 1989-11-06 1991-01-29 Galileo Electro-Optics Corp. Simultaneous positive and negative ion detector
DE4019005C2 (de) * 1990-06-13 2000-03-09 Finnigan Mat Gmbh Vorrichtungen zur Analyse von Ionen hoher Masse
US5268612A (en) * 1991-07-01 1993-12-07 Intevac, Inc. Feedback limited microchannel plate
US5326978A (en) * 1992-12-17 1994-07-05 Intevac, Inc. Focused electron-bombarded detector
DE4322104A1 (de) * 1993-07-02 1995-01-19 Bergmann Thorald Detektor für Flugzeit-Massenspektrometer mit geringen Flugzeitfehlern bei gleichzeitig großer Öffnung
US5693946A (en) * 1996-06-11 1997-12-02 Trustees Of Boston University Single photon imaging with a Bi-Linear charge-coupled device array
JP3270707B2 (ja) * 1997-03-31 2002-04-02 株式会社日本ビーテック イオン検出装置
EP0970505B1 (fr) * 1998-01-23 2003-07-23 Micromass Limited Spectrometre de masse a temps de vol et detecteur associe et procede spectrometrique
JP2001273867A (ja) * 2000-03-27 2001-10-05 Jeol Ltd マイクロチャンネル検出装置
US6747271B2 (en) * 2001-12-19 2004-06-08 Ionwerks Multi-anode detector with increased dynamic range for time-of-flight mass spectrometers with counting data acquisition
WO2003071569A2 (fr) * 2002-02-20 2003-08-28 University Of Washington Instruments d'analyse utilisant un ensemble pseudo-aleatoire de sources, telles qu'un spectrometre de masse ou un monochromateur micro-usines

Also Published As

Publication number Publication date
GB2398924C (en) 2007-03-13
DE102004006997B4 (de) 2008-02-07
GB0403184D0 (en) 2004-03-17
CA2457522A1 (fr) 2004-08-13
DE202004002189U1 (de) 2004-07-15
GB2399677B (en) 2005-08-10
GB2399677A (en) 2004-09-22
GB2398924B (en) 2006-04-19
DE102004006997A1 (de) 2004-09-16
DE102004006998A1 (de) 2004-10-07
CA2457522C (fr) 2012-09-25
GB2399677C (en) 2007-03-06
DE202004002190U1 (de) 2004-07-15
DE102004006998B4 (de) 2008-01-03
GB0403178D0 (en) 2004-03-17
CA2457516A1 (fr) 2004-08-13
GB2398924A (en) 2004-09-01

Similar Documents

Publication Publication Date Title
US7141785B2 (en) Ion detector
US7026177B2 (en) Electron multiplier with enhanced ion conversion
US6958474B2 (en) Detector for a bipolar time-of-flight mass spectrometer
US6906318B2 (en) Ion detector
US3374380A (en) Apparatus for suppression of ion feedback in electron multipliers
GB2381373A (en) Time of flight mass spectrometer and multiple detector therefor
EP3032568B1 (fr) Détecteur d'imagerie ionique à base d'intensification de signal en cascade pour spectromètre de masse
US9177764B1 (en) Image intensifier having an ion barrier with conductive material and method for making the same
US11476104B2 (en) Ion detection system
CA2457516C (fr) Detecteur pour spectrometre de masse
JP2007520048A (ja) イオンフィードバックを抑制した平行板型電子増倍管
JP2005340224A (ja) 同軸バイポーラ飛行時間型質量分析計用検知器
US7714299B2 (en) Particle detector
US20030127582A1 (en) Method for enhancing photomultiplier tube speed
US6642637B1 (en) Parallel plate electron multiplier
US20240087862A1 (en) Ion-to-electron conversion dynode for ion imaging applications
US12061166B2 (en) Ion detector
JP2023505685A (ja) 電子増倍管を含む機器の改良
Leskovar Microchannel plate photon detectors
Geno Ion detection in mass spectrometry
JPS5841621B2 (ja) 電子放電装置
JPH0398245A (ja) 傾斜電界型二次電子増倍管

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20200212