FR1274810A - Four à focalisation et déviation d'un faisceau d'électrons - Google Patents

Four à focalisation et déviation d'un faisceau d'électrons

Info

Publication number
FR1274810A
FR1274810A FR843022A FR843022A FR1274810A FR 1274810 A FR1274810 A FR 1274810A FR 843022 A FR843022 A FR 843022A FR 843022 A FR843022 A FR 843022A FR 1274810 A FR1274810 A FR 1274810A
Authority
FR
France
Prior art keywords
deflecting
focusing
furnace
electron beam
electron
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
FR843022A
Other languages
English (en)
Inventor
Manfred Von Ardenne
Siegfried Schiller
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.)
Vakutronik VEB
Original Assignee
Vakutronik VEB
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 Vakutronik VEB filed Critical Vakutronik VEB
Application granted granted Critical
Publication of FR1274810A publication Critical patent/FR1274810A/fr
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
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/147—Arrangements for directing or deflecting the discharge along a desired path
    • H01J37/1472—Deflecting along given lines
    • H01J37/1474—Scanning means
    • H01J37/1475—Scanning means magnetic
    • 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
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/305—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
FR843022A 1960-07-12 1960-11-04 Four à focalisation et déviation d'un faisceau d'électrons Expired FR1274810A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD6867960 1960-07-12

Publications (1)

Publication Number Publication Date
FR1274810A true FR1274810A (fr) 1961-10-27

Family

ID=5477520

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843022A Expired FR1274810A (fr) 1960-07-12 1960-11-04 Four à focalisation et déviation d'un faisceau d'électrons

Country Status (4)

Country Link
CH (1) CH397898A (fr)
FR (1) FR1274810A (fr)
GB (1) GB909814A (fr)
NL (1) NL255393A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270118A (en) * 1962-07-10 1966-08-30 Bendix Balzers Vacuum Inc Process for the vacuum melting of metals by means of electron beam

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6401328A (fr) * 1964-02-14 1965-08-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270118A (en) * 1962-07-10 1966-08-30 Bendix Balzers Vacuum Inc Process for the vacuum melting of metals by means of electron beam

Also Published As

Publication number Publication date
GB909814A (en) 1962-11-07
NL255393A (fr)
CH397898A (de) 1965-08-31

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