NL55000C - - Google Patents

Info

Publication number
NL55000C
NL55000C NL55000DA NL55000C NL 55000 C NL55000 C NL 55000C NL 55000D A NL55000D A NL 55000DA NL 55000 C NL55000 C NL 55000C
Authority
NL
Netherlands
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 NL55000C publication Critical patent/NL55000C/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)
NL55000D 1938-04-04 NL55000C (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL55000C true NL55000C (en)

Family

ID=7991996

Family Applications (1)

Application Number Title Priority Date Filing Date
NL55000D NL55000C (en) 1938-04-04

Country Status (4)

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

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
EP2565900B1 (en) * 2007-11-13 2016-02-03 Carl Zeiss Microscopy 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 (en) 1940-01-25
BE433495A (en)

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