GB2026231B - Mass spectrometers - Google Patents

Mass spectrometers

Info

Publication number
GB2026231B
GB2026231B GB7928403A GB7928403A GB2026231B GB 2026231 B GB2026231 B GB 2026231B GB 7928403 A GB7928403 A GB 7928403A GB 7928403 A GB7928403 A GB 7928403A GB 2026231 B GB2026231 B GB 2026231B
Authority
GB
United Kingdom
Prior art keywords
mass spectrometers
spectrometers
mass
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
GB7928403A
Other versions
GB2026231A (en
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.)
EMI Ltd
Original Assignee
EMI 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 EMI Ltd filed Critical EMI Ltd
Priority to GB7928403A priority Critical patent/GB2026231B/en
Publication of GB2026231A publication Critical patent/GB2026231A/en
Application granted granted Critical
Publication of GB2026231B publication Critical patent/GB2026231B/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
    • H01J49/0022—Portable spectrometers, e.g. devices comprising independent power supply, constructional details relating to portability
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
    • H01J49/0422—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components for gaseous samples
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
    • H01J49/0495—Vacuum locks; Valves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/24—Vacuum systems, e.g. maintaining desired pressures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB7928403A 1978-05-30 1979-08-15 Mass spectrometers Expired GB2026231B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7928403A GB2026231B (en) 1978-05-30 1979-08-15 Mass spectrometers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2386278 1978-05-30
GB7928403A GB2026231B (en) 1978-05-30 1979-08-15 Mass spectrometers

Publications (2)

Publication Number Publication Date
GB2026231A GB2026231A (en) 1980-01-30
GB2026231B true GB2026231B (en) 1982-10-27

Family

ID=26256766

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7928403A Expired GB2026231B (en) 1978-05-30 1979-08-15 Mass spectrometers

Country Status (1)

Country Link
GB (1) GB2026231B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7992424B1 (en) 2006-09-14 2011-08-09 Griffin Analytical Technologies, L.L.C. Analytical instrumentation and sample analysis methods
US8680461B2 (en) 2005-04-25 2014-03-25 Griffin Analytical Technologies, L.L.C. Analytical instrumentation, apparatuses, and methods
US8952321B2 (en) 2004-06-15 2015-02-10 Flir Detection, Inc. Analytical instruments, assemblies, and methods

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533364A1 (en) * 1985-09-19 1987-03-26 Bruker Franzen Analytik Gmbh METHOD AND DEVICE FOR EXAMINING A GAS MIXTURE
US5155357A (en) * 1990-07-23 1992-10-13 Massachusetts Institute Of Technology Portable mass spectrometer
GB9120192D0 (en) * 1991-09-21 1991-11-20 Graseby Ionics Ltd Ion mobility spectrometry equipment
US6498344B1 (en) * 1999-10-01 2002-12-24 Siemens Energy & Automation, Inc. Triode ion pump
US6831276B2 (en) 2000-05-08 2004-12-14 Philip S. Berger Microscale mass spectrometric chemical-gas sensor
WO2001085312A1 (en) * 2000-05-08 2001-11-15 Mass Sensors, Inc. Microscale mass spectrometric chemical-gas sensor
GB2411046B (en) * 2004-02-12 2006-10-25 Microsaic Systems Ltd Mass spectrometer system
GB2454508B (en) * 2007-11-09 2010-04-28 Microsaic Systems Ltd Electrode structures
US8342813B2 (en) * 2008-03-28 2013-01-01 Saes Getters S.P.A. Combined pumping system comprising a getter pump and an ion pump
GB0818342D0 (en) * 2008-10-07 2008-11-12 Science And Technology Facilities Council Mass discriminator
GB2586971B (en) 2019-09-06 2023-11-01 Edwards Vacuum Llc Reducing plasma formation in an ion pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8952321B2 (en) 2004-06-15 2015-02-10 Flir Detection, Inc. Analytical instruments, assemblies, and methods
US9347920B2 (en) 2004-06-15 2016-05-24 Flir Detection, Inc. Analytical instruments, assemblies, and methods
US8680461B2 (en) 2005-04-25 2014-03-25 Griffin Analytical Technologies, L.L.C. Analytical instrumentation, apparatuses, and methods
US7992424B1 (en) 2006-09-14 2011-08-09 Griffin Analytical Technologies, L.L.C. Analytical instrumentation and sample analysis methods

Also Published As

Publication number Publication date
GB2026231A (en) 1980-01-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee
PCPE Delete 'patent ceased' from journal

Free format text: 5170, PAGE 821

732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920815