GB1318200A - Mass spectrometers - Google Patents

Mass spectrometers

Info

Publication number
GB1318200A
GB1318200A GB5464669A GB1318200DA GB1318200A GB 1318200 A GB1318200 A GB 1318200A GB 5464669 A GB5464669 A GB 5464669A GB 1318200D A GB1318200D A GB 1318200DA GB 1318200 A GB1318200 A GB 1318200A
Authority
GB
United Kingdom
Prior art keywords
ion
lens
plates
potentiometers
nov
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
GB5464669A
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Publication of GB1318200A publication Critical patent/GB1318200A/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
    • H01J49/28—Static spectrometers
    • H01J49/32—Static spectrometers using double focusing
    • H01J49/326—Static spectrometers using double focusing with magnetic and electrostatic sectors of 90 degrees

Landscapes

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

Abstract

1318200 Mass spectrometers ASSOCIATED ELECTRICAL INDUSTRIES Ltd 6 Nov 1970 [7 Nov 1969] 54646/69 Heading H1D The effective width of an opening traversed by the ion beam of a mass spectrometer is varied by a zoom lens system 7 comprising two ion lenses 8 and 9. Lens 8 comprises three apertured metal plates 15, 16, and 17 secured by bolts 20 to support members. The middle plate 16 is connected to a spring contact 50 engaged by the conductor 34 of a high voltage cable 32, and is insulated from the outer plates 15 and 17 which are earthed. Lens 9 is similarly constructed and connected. The system 7 is contained in a metal housing 13 secured by vacuum seals between the slit 5<SP>1</SP> of an ion source assembly 1<SP>1</SP> and a coupling unit 14 which is connected to an electrostatic analyser of a spectrometer (Fig. 1, not shown), in which a second zoom lens system is disposed between a magnetic analyser and a slit associated with an ion collector. A circuit is described (Fig. 6, not shown) in which voltages are applied to the high voltage plates of the lenses by a system of potentiometers in dependence on the ion source potential. Magnification of the lens systems is changed by moving the tapping points of the potentiometers.
GB5464669A 1969-11-07 1969-11-07 Mass spectrometers Expired GB1318200A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5464669 1969-11-07

Publications (1)

Publication Number Publication Date
GB1318200A true GB1318200A (en) 1973-05-23

Family

ID=10471671

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5464669A Expired GB1318200A (en) 1969-11-07 1969-11-07 Mass spectrometers

Country Status (5)

Country Link
US (1) US3745343A (en)
JP (1) JPS5129435B1 (en)
DE (1) DE2054579A1 (en)
FR (1) FR2069116A5 (en)
GB (1) GB1318200A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178893A (en) * 1985-06-22 1987-02-18 Finnigan Mat Gmbh Charged particle lens

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6121796Y2 (en) * 1975-09-30 1986-06-30
DE7639431U1 (en) * 1975-12-23 1977-06-16 Aei Scientific Apparatus Ltd., Manchester (Grossbritannien) MASS SPECTROMETRY
JPS6477853A (en) * 1987-09-18 1989-03-23 Jeol Ltd Mapping type ion microanalyzer
JP3501036B2 (en) * 1999-09-17 2004-02-23 株式会社島津製作所 Mass spectrometer
US6867414B2 (en) * 2002-09-24 2005-03-15 Ciphergen Biosystems, Inc. Electric sector time-of-flight mass spectrometer with adjustable ion optical elements
WO2017075470A1 (en) * 2015-10-28 2017-05-04 Duke University Mass spectrometers having segmented electrodes and associated methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233099A (en) * 1963-09-16 1966-02-01 Cons Electrodynamics Corp Double-focusing mass spectrometer having electrically adjustable electrostatic an alyzer and adjustable electrostatic lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178893A (en) * 1985-06-22 1987-02-18 Finnigan Mat Gmbh Charged particle lens
GB2178893B (en) * 1985-06-22 1990-04-04 Finnigan Mat Gmbh Double focusing mass spectrometer

Also Published As

Publication number Publication date
DE2054579A1 (en) 1971-06-16
FR2069116A5 (en) 1971-09-03
JPS5129435B1 (en) 1976-08-25
US3745343A (en) 1973-07-10

Similar Documents

Publication Publication Date Title
KR960042801A (en) Separator for metal embedded and gas insulated high voltage switchgear
US3553451A (en) Quadrupole in which the pole electrodes comprise metallic rods whose mounting surfaces coincide with those of the mounting means
GB1318200A (en) Mass spectrometers
ES367221A1 (en) Apparatus for producing an ion beam by removing electrons from a plasma
GB1190451A (en) Ion Source for a Mass Spectrometer
US3997788A (en) Device for monitoring the position, intensity, uniformity and directivity of an ionizing radiation beam
US2906922A (en) Spark gap unit
US4431946A (en) Positive space-charge closing switch apparatus
GB1059599A (en) Separation of ions which differ in their respective specific electric charges
GB1082819A (en) Improved mass spectrometer
US3803443A (en) Charged particle beam scanning device with electrostatic control
GB1404693A (en) Microanalyser convertible into a mass-spectrometer
GB1280289A (en) Screening cage for a deflection coil
GB1162732A (en) Electron Beam Column
GB1049561A (en) Improvements relating to shutter assemblies
GB1211442A (en) Charging apparatus
US3038101A (en) Deflection controlled tube
SU851547A1 (en) Mass-spectrometer
US3323000A (en) Electrostatic deflection system
US2669665A (en) Contact potential variable potential charger
US2939961A (en) Nuclear switch construction and method
Cooperman Dust space charge in electrical precipitation
SU370741A1 (en) MULTICHANNEL DEVICE FOR THERMOPLASTIC
US3243655A (en) Electrode and insulator stack assembly
US3117224A (en) High vacuum mass analyser apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee