CH283225A - Verfahren zur Herstellung einer magnetischen Linse. - Google Patents

Verfahren zur Herstellung einer magnetischen Linse.

Info

Publication number
CH283225A
CH283225A CH283225DA CH283225A CH 283225 A CH283225 A CH 283225A CH 283225D A CH283225D A CH 283225DA CH 283225 A CH283225 A CH 283225A
Authority
CH
Switzerland
Prior art keywords
making
magnetic lens
lens
magnetic
Prior art date
Application number
Other languages
English (en)
Inventor
Gmbh Ernst Leitz
Original Assignee
Gmbh Ernst Leitz
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 Gmbh Ernst Leitz filed Critical Gmbh Ernst Leitz
Publication of CH283225A publication Critical patent/CH283225A/de

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
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/938—Vapor deposition or gas diffusion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
CH283225D 1949-12-30 1950-08-15 Verfahren zur Herstellung einer magnetischen Linse. CH283225A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE283225X 1949-12-30

Publications (1)

Publication Number Publication Date
CH283225A true CH283225A (de) 1952-05-31

Family

ID=6045092

Family Applications (1)

Application Number Title Priority Date Filing Date
CH283225D CH283225A (de) 1949-12-30 1950-08-15 Verfahren zur Herstellung einer magnetischen Linse.

Country Status (3)

Country Link
US (1) US2574115A (de)
CH (1) CH283225A (de)
NL (1) NL87179C (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH219290A (de) * 1939-07-22 1942-01-31 Fides Gmbh Elektronenmikroskop.
US2356535A (en) * 1940-08-31 1944-08-22 Ruska Ernst Electronic lens
US2454094A (en) * 1944-01-21 1948-11-16 Scophony Corp Of America Electron discharge device for producing electric oscillations
US2510634A (en) * 1945-11-03 1950-06-06 Parker Pen Co Magnetic desk set

Also Published As

Publication number Publication date
US2574115A (en) 1951-11-06
NL87179C (de)

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