CH510484A - Canon de bombardement électronique - Google Patents

Canon de bombardement électronique

Info

Publication number
CH510484A
CH510484A CH1783269A CH1783269A CH510484A CH 510484 A CH510484 A CH 510484A CH 1783269 A CH1783269 A CH 1783269A CH 1783269 A CH1783269 A CH 1783269A CH 510484 A CH510484 A CH 510484A
Authority
CH
Switzerland
Prior art keywords
cannon
electronic bombardment
bombardment
electronic
bombardment cannon
Prior art date
Application number
CH1783269A
Other languages
English (en)
Inventor
Peyrot Jean-Pierre
Original Assignee
Peyrot Jean Pierre
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 Peyrot Jean Pierre filed Critical Peyrot Jean Pierre
Publication of CH510484A publication Critical patent/CH510484A/fr

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
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—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, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/065—Construction of guns or parts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Particle Accelerators (AREA)
  • Microwave Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
CH1783269A 1968-11-29 1969-11-28 Canon de bombardement électronique CH510484A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR176086 1968-11-29

Publications (1)

Publication Number Publication Date
CH510484A true CH510484A (fr) 1971-07-31

Family

ID=8657662

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1783269A CH510484A (fr) 1968-11-29 1969-11-28 Canon de bombardement électronique

Country Status (6)

Country Link
US (1) US3612942A (fr)
JP (1) JPS4912824B1 (fr)
CH (1) CH510484A (fr)
DE (1) DE1959950A1 (fr)
FR (1) FR1599106A (fr)
GB (1) GB1256379A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598226A (en) * 1984-12-17 1986-07-01 Clegg John E Concave conical foil-filament lamp
GB2214705A (en) * 1988-01-26 1989-09-06 English Electric Valve Co Ltd Directly heated cathode
GB9720350D0 (en) * 1997-09-24 1997-11-26 Welding Inst Improvements relating to charged particle beams

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1980447A (en) * 1931-04-14 1934-11-13 Lincoln Electric Co Arc welding apparatus

Also Published As

Publication number Publication date
US3612942A (en) 1971-10-12
DE1959950A1 (de) 1970-06-25
JPS4912824B1 (fr) 1974-03-27
GB1256379A (en) 1971-12-08
FR1599106A (fr) 1970-07-15

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Legal Events

Date Code Title Description
PL Patent ceased