FR1467802A - Improvements to devices for sorting electrons moving at different speeds, in particular for electron diffractors - Google Patents

Improvements to devices for sorting electrons moving at different speeds, in particular for electron diffractors

Info

Publication number
FR1467802A
FR1467802A FR29643A FR29643A FR1467802A FR 1467802 A FR1467802 A FR 1467802A FR 29643 A FR29643 A FR 29643A FR 29643 A FR29643 A FR 29643A FR 1467802 A FR1467802 A FR 1467802A
Authority
FR
France
Prior art keywords
diffractors
sorting
electron
devices
different speeds
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
FR29643A
Other languages
French (fr)
Inventor
Olivier Cahen
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR29643A priority Critical patent/FR1467802A/en
Application granted granted Critical
Publication of FR1467802A publication Critical patent/FR1467802A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/05—Electron or ion-optical arrangements for separating electrons or ions according to their energy or mass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/295—Electron or ion diffraction tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/44—Energy spectrometers, e.g. alpha-, beta-spectrometers
    • H01J49/46—Static spectrometers
    • H01J49/48—Static spectrometers using electrostatic analysers, e.g. cylindrical sector, Wien filter
    • H01J49/488—Static spectrometers using electrostatic analysers, e.g. cylindrical sector, Wien filter with retarding grids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
FR29643A 1965-08-27 1965-08-27 Improvements to devices for sorting electrons moving at different speeds, in particular for electron diffractors Expired FR1467802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR29643A FR1467802A (en) 1965-08-27 1965-08-27 Improvements to devices for sorting electrons moving at different speeds, in particular for electron diffractors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR29643A FR1467802A (en) 1965-08-27 1965-08-27 Improvements to devices for sorting electrons moving at different speeds, in particular for electron diffractors

Publications (1)

Publication Number Publication Date
FR1467802A true FR1467802A (en) 1967-02-03

Family

ID=8587351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR29643A Expired FR1467802A (en) 1965-08-27 1965-08-27 Improvements to devices for sorting electrons moving at different speeds, in particular for electron diffractors

Country Status (1)

Country Link
FR (1) FR1467802A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0567139A1 (en) * 1992-04-24 1993-10-27 Japan Aviation Electronics Industry, Limited Electron beam diffraction measuring apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0567139A1 (en) * 1992-04-24 1993-10-27 Japan Aviation Electronics Industry, Limited Electron beam diffraction measuring apparatus
US5336886A (en) * 1992-04-24 1994-08-09 Japan Aviation Electronics Industry Limited Apparatus for measuring a diffraction pattern of electron beams having only elastic scattering electrons

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