JPS6241376B2 - - Google Patents

Info

Publication number
JPS6241376B2
JPS6241376B2 JP55143890A JP14389080A JPS6241376B2 JP S6241376 B2 JPS6241376 B2 JP S6241376B2 JP 55143890 A JP55143890 A JP 55143890A JP 14389080 A JP14389080 A JP 14389080A JP S6241376 B2 JPS6241376 B2 JP S6241376B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic pole
magnetomotive force
gap
lens
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
JP55143890A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5767272A (en
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
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 Nihon Denshi KK filed Critical Nihon Denshi KK
Priority to JP55143890A priority Critical patent/JPS5767272A/ja
Priority to DE19813139905 priority patent/DE3139905C2/de
Priority to GB8131187A priority patent/GB2087138B/en
Publication of JPS5767272A publication Critical patent/JPS5767272A/ja
Publication of JPS6241376B2 publication Critical patent/JPS6241376B2/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)
JP55143890A 1980-10-15 1980-10-15 Electron lens Granted JPS5767272A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55143890A JPS5767272A (en) 1980-10-15 1980-10-15 Electron lens
DE19813139905 DE3139905C2 (de) 1980-10-15 1981-10-07 Verfahren zum Betrieb einer Elektronenlinse mit drei Magnetpolstücken
GB8131187A GB2087138B (en) 1980-10-15 1981-10-15 Electron lens equipped with three magnetic pole pieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55143890A JPS5767272A (en) 1980-10-15 1980-10-15 Electron lens

Publications (2)

Publication Number Publication Date
JPS5767272A JPS5767272A (en) 1982-04-23
JPS6241376B2 true JPS6241376B2 (enrdf_load_stackoverflow) 1987-09-02

Family

ID=15349410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55143890A Granted JPS5767272A (en) 1980-10-15 1980-10-15 Electron lens

Country Status (3)

Country Link
JP (1) JPS5767272A (enrdf_load_stackoverflow)
DE (1) DE3139905C2 (enrdf_load_stackoverflow)
GB (1) GB2087138B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585942A (en) * 1983-03-17 1986-04-29 Jeol Ltd. Transmission electron microscope

Family Cites Families (3)

* 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
JPS5945171B2 (ja) * 1979-12-28 1984-11-05 日本電子株式会社 電子レンズ
JPS5723454A (en) * 1980-07-16 1982-02-06 Jeol Ltd Electron lens

Also Published As

Publication number Publication date
JPS5767272A (en) 1982-04-23
GB2087138A (en) 1982-05-19
DE3139905A1 (de) 1982-06-09
GB2087138B (en) 1984-11-21
DE3139905C2 (de) 1984-02-16

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