CH334808A - Arrangement with a hot cathode - Google Patents

Arrangement with a hot cathode

Info

Publication number
CH334808A
CH334808A CH334808DA CH334808A CH 334808 A CH334808 A CH 334808A CH 334808D A CH334808D A CH 334808DA CH 334808 A CH334808 A CH 334808A
Authority
CH
Switzerland
Prior art keywords
arrangement
hot cathode
cathode
hot
Prior art date
Application number
Other languages
German (de)
Inventor
Bas-Taymaz Enis
Original Assignee
Foerderung Forschung Gmbh
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 Foerderung Forschung Gmbh filed Critical Foerderung Forschung Gmbh
Publication of CH334808A publication Critical patent/CH334808A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/024—Electron guns using thermionic emission of cathode heated by electron or ion bombardment or by irradiation by other energetic beams, e.g. by laser
    • 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
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/285—Emission microscopes, e.g. field-emission microscopes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electron Sources, Ion Sources (AREA)
CH334808D 1955-06-13 1955-06-13 Arrangement with a hot cathode CH334808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1005202X 1955-06-13

Publications (1)

Publication Number Publication Date
CH334808A true CH334808A (en) 1958-12-15

Family

ID=4552222

Family Applications (2)

Application Number Title Priority Date Filing Date
CH334808D CH334808A (en) 1955-06-13 1955-06-13 Arrangement with a hot cathode
CH343039D CH343039A (en) 1955-06-13 1956-09-15 Arrangement for holding and heating an object to be examined in an electron emission microscope

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH343039D CH343039A (en) 1955-06-13 1956-09-15 Arrangement for holding and heating an object to be examined in an electron emission microscope

Country Status (2)

Country Link
CH (2) CH334808A (en)
DE (1) DE1005202B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10245052A1 (en) * 2002-09-26 2004-04-08 Leo Elektronenmikroskopie Gmbh Electron beam source and electron optical apparatus with one

Also Published As

Publication number Publication date
DE1005202B (en) 1957-03-28
CH343039A (en) 1959-12-15

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