FR1443476A - Electron beam device - Google Patents

Electron beam device

Info

Publication number
FR1443476A
FR1443476A FR19624A FR19624A FR1443476A FR 1443476 A FR1443476 A FR 1443476A FR 19624 A FR19624 A FR 19624A FR 19624 A FR19624 A FR 19624A FR 1443476 A FR1443476 A FR 1443476A
Authority
FR
France
Prior art keywords
electron beam
beam device
electron
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
FR19624A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from NL646406449A external-priority patent/NL145716B/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR19624A priority Critical patent/FR1443476A/en
Application granted granted Critical
Publication of FR1443476A publication Critical patent/FR1443476A/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
    • H01J37/141—Electromagnetic lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
FR19624A 1964-06-06 1965-06-04 Electron beam device Expired FR1443476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR19624A FR1443476A (en) 1964-06-06 1965-06-04 Electron beam device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL646406449A NL145716B (en) 1964-06-06 1964-06-06 ELECTRON BEAM DEVICE.
FR19624A FR1443476A (en) 1964-06-06 1965-06-04 Electron beam device

Publications (1)

Publication Number Publication Date
FR1443476A true FR1443476A (en) 1966-06-24

Family

ID=26164043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR19624A Expired FR1443476A (en) 1964-06-06 1965-06-04 Electron beam device

Country Status (1)

Country Link
FR (1) FR1443476A (en)

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