BE479996A - - Google Patents

Info

Publication number
BE479996A
BE479996A BE479996DA BE479996A BE 479996 A BE479996 A BE 479996A BE 479996D A BE479996D A BE 479996DA BE 479996 A BE479996 A BE 479996A
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 BE479996A publication Critical patent/BE479996A/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
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/27—Shadow microscopy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
BE479996D 1944-02-18 BE479996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US522875A US2422041A (en) 1944-02-18 1944-02-18 Electron microscope

Publications (1)

Publication Number Publication Date
BE479996A true BE479996A (en)

Family

ID=24082724

Family Applications (1)

Application Number Title Priority Date Filing Date
BE479996D BE479996A (en) 1944-02-18

Country Status (4)

Country Link
US (1) US2422041A (en)
BE (1) BE479996A (en)
FR (1) FR977856A (en)
GB (1) GB637361A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813991A (en) * 1952-11-05 1957-11-19 Gen Electric Electron emitting electrode
US5654548A (en) * 1992-08-06 1997-08-05 International Business Machines Corporation Source for intense coherent electron pulses
US5376792A (en) * 1993-04-26 1994-12-27 Rj Lee Group, Inc. Scanning electron microscope

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249453A (en) * 1938-12-02 1941-07-15 Gen Electric Electron microscope
CH219289A (en) * 1939-07-22 1942-01-31 Fides Gmbh Electron microscope.
CA432875A (en) * 1939-07-29 1946-01-29 G. Ramberg Edward Electron microscope
US2363359A (en) * 1941-05-01 1944-11-21 Gen Electric Electron microscope

Also Published As

Publication number Publication date
FR977856A (en) 1951-04-06
US2422041A (en) 1947-06-10
GB637361A (en) 1950-05-17

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