FR1313936A - Improvements to gas appliances - Google Patents

Improvements to gas appliances

Info

Publication number
FR1313936A
FR1313936A FR879737A FR879737A FR1313936A FR 1313936 A FR1313936 A FR 1313936A FR 879737 A FR879737 A FR 879737A FR 879737 A FR879737 A FR 879737A FR 1313936 A FR1313936 A FR 1313936A
Authority
FR
France
Prior art keywords
gas appliances
appliances
gas
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
FR879737A
Other languages
French (fr)
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.)
Chaffoteaux et Maury SAS
Original Assignee
Chaffoteaux et Maury SAS
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 Chaffoteaux et Maury SAS filed Critical Chaffoteaux et Maury SAS
Priority to FR879737A priority Critical patent/FR1313936A/en
Application granted granted Critical
Publication of FR1313936A publication Critical patent/FR1313936A/en
Priority claimed from US335793A external-priority patent/US3313936A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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 or ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • 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 or ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/063—Geometrical arrangement of electrodes for beam-forming
    • 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
    • H01J37/20—Means for supporting or positioning the object or the material; Means for adjusting diaphragms or lenses associated with the support
    • 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
    • H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • 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)
FR879737A 1961-11-22 1961-11-22 Improvements to gas appliances Expired FR1313936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR879737A FR1313936A (en) 1961-11-22 1961-11-22 Improvements to gas appliances

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR879737A FR1313936A (en) 1961-11-22 1961-11-22 Improvements to gas appliances
US335793A US3313936A (en) 1964-01-06 1964-01-06 Low energy electron diffraction apparatus having three concentric tubular focusing elctrodes

Publications (1)

Publication Number Publication Date
FR1313936A true FR1313936A (en) 1963-01-04

Family

ID=26193193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879737A Expired FR1313936A (en) 1961-11-22 1961-11-22 Improvements to gas appliances

Country Status (1)

Country Link
FR (1) FR1313936A (en)

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