JPS5723454A - Electron lens - Google Patents

Electron lens

Info

Publication number
JPS5723454A
JPS5723454A JP9711380A JP9711380A JPS5723454A JP S5723454 A JPS5723454 A JP S5723454A JP 9711380 A JP9711380 A JP 9711380A JP 9711380 A JP9711380 A JP 9711380A JP S5723454 A JPS5723454 A JP S5723454A
Authority
JP
Japan
Prior art keywords
zero
aberration
magnetic pole
pole distance
shaped distortion
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.)
Granted
Application number
JP9711380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6245662B2 (enrdf_load_stackoverflow
Inventor
Katsushige Tsuno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jeol Ltd
Original Assignee
Jeol Ltd
Nihon Denshi KK
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 Jeol Ltd, Nihon Denshi KK filed Critical Jeol Ltd
Priority to JP9711380A priority Critical patent/JPS5723454A/ja
Priority to GB8118118A priority patent/GB2080610B/en
Priority to DE19813125253 priority patent/DE3125253C2/de
Publication of JPS5723454A publication Critical patent/JPS5723454A/ja
Publication of JPS6245662B2 publication Critical patent/JPS6245662B2/ja
Granted 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 or ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic
    • H01J37/141—Electromagnetic lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Beam Exposure (AREA)
JP9711380A 1980-07-16 1980-07-16 Electron lens Granted JPS5723454A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9711380A JPS5723454A (en) 1980-07-16 1980-07-16 Electron lens
GB8118118A GB2080610B (en) 1980-07-16 1981-06-12 Electron lens equipped with three magnetic pole pieces
DE19813125253 DE3125253C2 (de) 1980-07-16 1981-06-26 Elektronenlinse mit drei Magnetpolstücken

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9711380A JPS5723454A (en) 1980-07-16 1980-07-16 Electron lens

Publications (2)

Publication Number Publication Date
JPS5723454A true JPS5723454A (en) 1982-02-06
JPS6245662B2 JPS6245662B2 (enrdf_load_stackoverflow) 1987-09-28

Family

ID=14183515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9711380A Granted JPS5723454A (en) 1980-07-16 1980-07-16 Electron lens

Country Status (3)

Country Link
JP (1) JPS5723454A (enrdf_load_stackoverflow)
DE (1) DE3125253C2 (enrdf_load_stackoverflow)
GB (1) GB2080610B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767272A (en) * 1980-10-15 1982-04-23 Jeol Ltd Electron lens
US4450357A (en) * 1981-10-13 1984-05-22 Jeol Ltd. Electron lens equipped with three magnetic pole pieces
GB2140196A (en) * 1983-05-05 1984-11-21 Cambridge Instr Ltd Particle beam lenses
US11450505B2 (en) * 2020-12-22 2022-09-20 Fei Company Magnetic field free sample plane for charged particle microscope

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526073A (en) * 1975-07-04 1977-01-18 Hitachi Ltd Magnetic field type electronic lens

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE920861C (de) * 1940-06-04 1954-12-02 Aeg Anordnung zur Ausuebung des Verfahrens zur Herstellung und Beobachtung eines UEbersichtsbildes geringer Vergroesserung in einem Elektronenmikroskop
CH312422A (de) * 1953-04-30 1955-12-31 Trueb Taeuber & Co Ag Verzeichnungsarmes Linsensystem für Korpuskularstrahlapparate, insbesondere Elektronenmikroskope.
US3188465A (en) * 1959-12-29 1965-06-08 Kabushikikaisha Nihondenshi Ka Two stage electron beam magnification device comprising plural adjustable magnetic lens system
JPS5945171B2 (ja) * 1979-12-28 1984-11-05 日本電子株式会社 電子レンズ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526073A (en) * 1975-07-04 1977-01-18 Hitachi Ltd Magnetic field type electronic lens

Also Published As

Publication number Publication date
GB2080610A (en) 1982-02-03
DE3125253C2 (de) 1988-09-08
DE3125253A1 (de) 1982-06-03
JPS6245662B2 (enrdf_load_stackoverflow) 1987-09-28
GB2080610B (en) 1984-07-04

Similar Documents

Publication Publication Date Title
JPS5682552A (en) Two beam one electron gun cathode ray tube
JPS5723454A (en) Electron lens
JPS542623A (en) Color picture tube of beam-index type
JPS5559637A (en) Magnetic focus cathode ray tube
JPS5239366A (en) Electronic gun device
JPS563948A (en) Electrostatic focusing type pickup tube
JPS5696447A (en) Electron lens
JPS546762A (en) Cathode-ray tube
JPS5413249A (en) Cathode ray tube
JPS53131755A (en) Scanning electronic microscope and such devices
JPS54138335A (en) Deflection nuit
JPS554869A (en) Deflection yoke assembly for camera tube
JPS5220018A (en) Wide angle zoom lens system
JPS545373A (en) Projection-type cathode-ray tube
JPS54561A (en) Cathode ray tube of projection type
JPS5346266A (en) Electronic microscope
JPS5318916A (en) Cathode-ray tube
JPS5767272A (en) Electron lens
JPS5652846A (en) Electrostatically focusing and electromagnetically deflecting image pick-up tube
JPS5289456A (en) Magnetic field type lens
JPS5388516A (en) Deflection yoke
JPS5228220A (en) Deflection yoke
JPS5372522A (en) Color picture tube
JPS5459031A (en) Picture receiving device
JPS56107459A (en) Objective lens for electron microscope