BE457759A - - Google Patents

Info

Publication number
BE457759A
BE457759A BE457759DA BE457759A BE 457759 A BE457759 A BE 457759A BE 457759D A BE457759D A BE 457759DA BE 457759 A BE457759 A BE 457759A
Authority
BE
Belgium
Application number
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.)
Publication of BE457759A publication Critical patent/BE457759A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/04Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
BE457759D 1944-11-04 BE457759A ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE258432X 1944-11-04

Publications (1)

Publication Number Publication Date
BE457759A true BE457759A ( )

Family

ID=3866699

Family Applications (1)

Application Number Title Priority Date Filing Date
BE457759D BE457759A ( ) 1944-11-04

Country Status (5)

Country Link
BE (1) BE457759A ( )
CH (1) CH258432A ( )
DE (1) DE819296C ( )
FR (1) FR936338A ( )
GB (1) GB637385A ( )

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052578B (de) * 1953-06-18 1959-03-12 Siemens Ag Verfahren zur Herstellung einer Oxydkathode mit einer auf die Oberflaeche des Kathodenkoerpers aufgesinterten, porigen Metallschicht

Also Published As

Publication number Publication date
GB637385A (en) 1950-05-17
CH258432A (fr) 1948-11-30
DE819296C (de) 1951-10-31
FR936338A (fr) 1948-07-16

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