GB705867A - - Google Patents

Info

Publication number
GB705867A
GB705867A GB705867DA GB705867A GB 705867 A GB705867 A GB 705867A GB 705867D A GB705867D A GB 705867DA GB 705867 A GB705867 A GB 705867A
Authority
GB
United Kingdom
Prior art keywords
magnetic
lenses
magnification
focusing
pole pieces
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB705867A publication Critical patent/GB705867A/en
Expired legal-status Critical Current

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, ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic
    • H01J37/143—Permanent magnetic lenses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electron Tubes For Measurement (AREA)
GB705867D 1950-09-03 1951-08-31 Expired GB705867A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES18914A DE876729C (de) 1950-09-03 1950-09-03 Aus vier Linsen bestehendes Abbildungssystem fuer Elektronenmikroskope

Publications (1)

Publication Number Publication Date
GB705867A true GB705867A (de) 1954-03-17

Family

ID=45841739

Family Applications (1)

Application Number Title Priority Date Filing Date
GB705867D Expired GB705867A (de) 1950-09-03 1951-08-31

Country Status (2)

Country Link
DE (1) DE876729C (de)
GB (1) GB705867A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2802110A (en) * 1953-09-04 1957-08-06 Kazato Kenji Electron microscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2802110A (en) * 1953-09-04 1957-08-06 Kazato Kenji Electron microscope

Also Published As

Publication number Publication date
DE876729C (de) 1953-05-18

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