NL271769A - - Google Patents

Info

Publication number
NL271769A
NL271769A NL271769DA NL271769A NL 271769 A NL271769 A NL 271769A NL 271769D A NL271769D A NL 271769DA NL 271769 A NL271769 A NL 271769A
Authority
NL
Netherlands
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 NL271769A publication Critical patent/NL271769A/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
    • H01J9/047Cathodes having impregnated bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24After-treatment of workpieces or articles
    • B22F3/26Impregnating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
NL271769D 1961-11-21 NL271769A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4161661A GB924775A (en) 1961-11-21 1961-11-21 Improvements in or relating to impregnated tungsten cathode structures and methods for fabricating same

Publications (1)

Publication Number Publication Date
NL271769A true NL271769A (it)

Family

ID=10420511

Family Applications (1)

Application Number Title Priority Date Filing Date
NL271769D NL271769A (it) 1961-11-21

Country Status (2)

Country Link
GB (1) GB924775A (it)
NL (1) NL271769A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403692B (de) * 1996-12-18 1998-04-27 Electrovac Verfahren zur herstellung von keramischen formkörpern

Also Published As

Publication number Publication date
GB924775A (en) 1963-05-01

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