FR2014285A1 - - Google Patents

Info

Publication number
FR2014285A1
FR2014285A1 FR6921253A FR6921253A FR2014285A1 FR 2014285 A1 FR2014285 A1 FR 2014285A1 FR 6921253 A FR6921253 A FR 6921253A FR 6921253 A FR6921253 A FR 6921253A FR 2014285 A1 FR2014285 A1 FR 2014285A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6921253A
Other languages
French (fr)
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Switzerland
BBC Brown Boveri France SA
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 Brown Boveri und Cie AG Switzerland, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Switzerland
Publication of FR2014285A1 publication Critical patent/FR2014285A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/66—Magnetic lenses using electromagnetic means only
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/08—Deviation, concentration or focusing of the beam by electric or magnetic means
    • G21K1/093—Deviation, concentration or focusing of the beam by electric or magnetic means by magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electromagnetism (AREA)
  • Electron Beam Exposure (AREA)
  • Particle Accelerators (AREA)
FR6921253A 1968-06-27 1969-06-25 Withdrawn FR2014285A1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH963668A CH485317A (de) 1968-06-27 1968-06-27 Elektromagnetische Linse für Strahlen schneller Elektronen

Publications (1)

Publication Number Publication Date
FR2014285A1 true FR2014285A1 (xx) 1970-04-17

Family

ID=4354056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6921253A Withdrawn FR2014285A1 (xx) 1968-06-27 1969-06-25

Country Status (6)

Country Link
US (1) US3689796A (xx)
CH (1) CH485317A (xx)
DE (1) DE1918822A1 (xx)
FR (1) FR2014285A1 (xx)
GB (1) GB1268714A (xx)
NL (1) NL6810820A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111261314A (zh) * 2020-01-17 2020-06-09 桂林狮达技术股份有限公司 带电粒子束加工设备聚焦系统校准标定方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005330A (en) * 1930-08-19 1935-06-18 Thomas W Sukumlyn Electron emission device
DE973258C (de) * 1938-03-08 1959-12-31 Siemens Ag Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen
DE734995C (de) * 1940-08-08 1943-05-04 Aeg Laufzeitroehre mit Hohlraumresonatoren
US2295403A (en) * 1940-11-15 1942-09-08 Rca Corp Apertured electron lens and method of alignment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111261314A (zh) * 2020-01-17 2020-06-09 桂林狮达技术股份有限公司 带电粒子束加工设备聚焦系统校准标定方法
CN111261314B (zh) * 2020-01-17 2020-10-09 桂林狮达技术股份有限公司 带电粒子束加工设备聚焦系统校准标定方法

Also Published As

Publication number Publication date
US3689796A (en) 1972-09-05
NL6810820A (xx) 1969-12-30
GB1268714A (en) 1972-03-29
CH485317A (de) 1970-01-31
DE1918822A1 (de) 1970-03-05

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Legal Events

Date Code Title Description
ST Notification of lapse