FR1491623A - Source d'ions pour spectromètre de masse - Google Patents

Source d'ions pour spectromètre de masse

Info

Publication number
FR1491623A
FR1491623A FR72548A FR72548A FR1491623A FR 1491623 A FR1491623 A FR 1491623A FR 72548 A FR72548 A FR 72548A FR 72548 A FR72548 A FR 72548A FR 1491623 A FR1491623 A FR 1491623A
Authority
FR
France
Prior art keywords
mass spectrometer
ion source
spectrometer
ion
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
FR72548A
Other languages
English (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.)
General Electric Co
Original Assignee
General Electric Co
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 to US478668A priority Critical patent/US3385965A/en
Application filed by General Electric Co filed Critical General Electric Co
Priority to FR72548A priority patent/FR1491623A/fr
Application granted granted Critical
Publication of FR1491623A publication Critical patent/FR1491623A/fr
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
    • H01J49/02—Details
    • H01J49/10—Ion sources; Ion guns
    • H01J49/16—Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/10—Ion sources; Ion guns
    • H01J49/102—Ion sources; Ion guns using reflex discharge, e.g. Penning ion sources

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Tubes For Measurement (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
FR72548A 1965-08-10 1966-08-09 Source d'ions pour spectromètre de masse Expired FR1491623A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US478668A US3385965A (en) 1965-08-10 1965-08-10 Ion source having a hollow cylindrical permanent magnet maintained at a positive potential relative to the electron emitter
FR72548A FR1491623A (fr) 1965-08-10 1966-08-09 Source d'ions pour spectromètre de masse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US478668A US3385965A (en) 1965-08-10 1965-08-10 Ion source having a hollow cylindrical permanent magnet maintained at a positive potential relative to the electron emitter
FR72548A FR1491623A (fr) 1965-08-10 1966-08-09 Source d'ions pour spectromètre de masse

Publications (1)

Publication Number Publication Date
FR1491623A true FR1491623A (fr) 1967-08-11

Family

ID=27614683

Family Applications (1)

Application Number Title Priority Date Filing Date
FR72548A Expired FR1491623A (fr) 1965-08-10 1966-08-09 Source d'ions pour spectromètre de masse

Country Status (2)

Country Link
US (1) US3385965A (fr)
FR (1) FR1491623A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546512A (en) * 1967-02-13 1970-12-08 Schlumberger Technology Corp Neutron generator including an ion source with a massive ferromagnetic probe electrode and a permanent magnet-electrode
US3756682A (en) * 1967-02-13 1973-09-04 Schlumberger Technology Corp Method for outgassing permanent magnets
US3502863A (en) * 1967-08-02 1970-03-24 Hitachi Ltd Electron bombardment type ion source with permanent magnet focusing means therein

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB665094A (en) * 1947-04-12 1952-01-16 Ass Elect Ind Improvements relating to the reduction of primary spherical aberration in magnetic electron lenses
US2911531A (en) * 1956-03-12 1959-11-03 Jersey Prod Res Co Ionization chamber for mass spectrometer
US2831996A (en) * 1956-09-19 1958-04-22 Eugene F Martina Ion source
NL284213A (fr) * 1961-10-11

Also Published As

Publication number Publication date
US3385965A (en) 1968-05-28

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