NL274464A - - Google Patents

Info

Publication number
NL274464A
NL274464A NL274464DA NL274464A NL 274464 A NL274464 A NL 274464A NL 274464D A NL274464D A NL 274464DA NL 274464 A NL274464 A NL 274464A
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 NL274464A publication Critical patent/NL274464A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F3/26—Impregnating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • H01J9/047—Cathodes having impregnated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
NL274464D 1961-02-07 NL274464A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR851902A FR1288133A (fr) 1961-02-07 1961-02-07 Perfectionnements aux procédés de fabrication de cathodes du type imprégné

Publications (1)

Publication Number Publication Date
NL274464A true NL274464A (fr)

Family

ID=8748271

Family Applications (1)

Application Number Title Priority Date Filing Date
NL274464D NL274464A (fr) 1961-02-07

Country Status (5)

Country Link
US (1) US3265495A (fr)
DE (1) DE1163462B (fr)
FR (1) FR1288133A (fr)
GB (1) GB924595A (fr)
NL (1) NL274464A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525135A (en) * 1964-04-16 1970-08-25 Gen Electric Thermionic cathode
US3458913A (en) * 1966-04-19 1969-08-05 Siemens Ag Supply cathode for electrical discharge vessels and method for its production
NL6701138A (fr) * 1967-01-25 1968-07-26
NL8403031A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze.
KR910003699B1 (en) * 1988-11-19 1991-06-08 Samsung Electronic Devices Manufacturing method of dispenser cathode

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL40189C (fr) * 1931-09-15
US2117636A (en) * 1934-03-24 1938-05-17 Gerald B Tjoflat Thermionic electrode
DE707255C (de) * 1936-09-21 1941-06-17 Siemens Schuckertwerke Akt Ges Gluehkathode hoher Leistung, insbesondere fuer gas- oder dampfgefuellte Entladungsgefaese
US2544112A (en) * 1947-05-17 1951-03-06 Accumulatoren Fabriek Varta N Sintered battery plate and process of making
NL246331A (fr) * 1951-07-11
NL80924C (fr) * 1951-07-20
BE518608A (fr) * 1952-03-21
DE952543C (de) * 1954-02-27 1956-11-15 Siemens Ag Indirekt geheitzte Kathode fuer elektrische Entladungsgefaesse
US2878409A (en) * 1957-04-29 1959-03-17 Philips Corp Dispenser-type cathode and method of making

Also Published As

Publication number Publication date
DE1163462B (de) 1964-02-20
GB924595A (en) 1963-04-24
FR1288133A (fr) 1962-03-24
US3265495A (en) 1966-08-09

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