BE433495A - - Google Patents

Info

Publication number
BE433495A
BE433495A BE433495DA BE433495A BE 433495 A BE433495 A BE 433495A BE 433495D A BE433495D A BE 433495DA BE 433495 A BE433495 A BE 433495A
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 BE433495A publication Critical patent/BE433495A/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
    • H01J37/02—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
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic
    • H01J37/141—Electromagnetic lenses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electron Sources, Ion Sources (AREA)
BE433495D 1938-04-04 BE433495A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2243403X 1938-04-04

Publications (1)

Publication Number Publication Date
BE433495A true BE433495A (xx)

Family

ID=7991996

Family Applications (1)

Application Number Title Priority Date Filing Date
BE433495D BE433495A (xx) 1938-04-04

Country Status (4)

Country Link
US (1) US2243403A (xx)
BE (1) BE433495A (xx)
FR (1) FR852158A (xx)
NL (1) NL55000C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418432A (en) * 1944-05-01 1947-04-01 Rca Corp Magnetic electron lens system
US2648036A (en) * 1946-03-12 1953-08-04 Us Navy Adjustable focusing coil
US2679018A (en) * 1950-06-30 1954-05-18 Rca Corp Magnetic electron lens pole piece
US3374349A (en) * 1966-11-14 1968-03-19 Victor G. Macres Electron probe having a specific shortfocal length magnetic lens and light microscope
EP2061067A3 (en) * 2007-11-13 2010-04-07 Carl Zeiss SMT Limited Beam device and system comprising a particle beam device and an optical microscope

Also Published As

Publication number Publication date
US2243403A (en) 1941-05-27
FR852158A (fr) 1940-01-25
NL55000C (xx)

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