CH249502A - Method for heating cathodes of electron-optical devices. - Google Patents

Method for heating cathodes of electron-optical devices.

Info

Publication number
CH249502A
CH249502A CH249502DA CH249502A CH 249502 A CH249502 A CH 249502A CH 249502D A CH249502D A CH 249502DA CH 249502 A CH249502 A CH 249502A
Authority
CH
Switzerland
Prior art keywords
electron
optical devices
heating cathodes
cathodes
heating
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Zur Fo Hochschule
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 CH249502A publication Critical patent/CH249502A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
    • 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
    • H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
CH249502D 1946-07-11 1946-07-11 Method for heating cathodes of electron-optical devices. CH249502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH949342X 1946-07-11

Publications (1)

Publication Number Publication Date
CH249502A true CH249502A (en) 1947-06-30

Family

ID=4549925

Family Applications (1)

Application Number Title Priority Date Filing Date
CH249502D CH249502A (en) 1946-07-11 1946-07-11 Method for heating cathodes of electron-optical devices.

Country Status (3)

Country Link
CH (1) CH249502A (en)
FR (1) FR949342A (en)
NL (1) NL127920C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851743C2 (en) * 1978-11-30 1980-08-28 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Electron impact spectrometer

Also Published As

Publication number Publication date
FR949342A (en) 1949-08-26
NL127920C (en)

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