BE637889A - - Google Patents

Info

Publication number
BE637889A
BE637889A BE637889DA BE637889A BE 637889 A BE637889 A BE 637889A BE 637889D A BE637889D A BE 637889DA BE 637889 A BE637889 A BE 637889A
Authority
BE
Belgium
Application number
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.)
Publication of BE637889A publication Critical patent/BE637889A/xx

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
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/301—Arrangements enabling beams to pass between regions of different pressure
    • 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
    • H01J37/21—Means for adjusting the focus
    • 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
    • H01J37/3002—Details
    • H01J37/3007—Electron or ion-optical systems
    • 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)
  • Electron Sources, Ion Sources (AREA)
BE637889D 1963-08-13 BE637889A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3194863A GB1043397A (en) 1963-08-13 1963-08-13 Improvements in and relating to electron beam melting furnaces

Publications (1)

Publication Number Publication Date
BE637889A true BE637889A (ja)

Family

ID=10330770

Family Applications (1)

Application Number Title Priority Date Filing Date
BE637889D BE637889A (ja) 1963-08-13

Country Status (3)

Country Link
BE (1) BE637889A (ja)
GB (1) GB1043397A (ja)
NL (1) NL296714A (ja)

Also Published As

Publication number Publication date
NL296714A (ja)
GB1043397A (en) 1966-09-21

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