IT1101677B - Catodo a ossidi e metodo di produzione di nichel metallurgico in polvere per un tale catodo - Google Patents

Catodo a ossidi e metodo di produzione di nichel metallurgico in polvere per un tale catodo

Info

Publication number
IT1101677B
IT1101677B IT7830478A IT3047878A IT1101677B IT 1101677 B IT1101677 B IT 1101677B IT 7830478 A IT7830478 A IT 7830478A IT 3047878 A IT3047878 A IT 3047878A IT 1101677 B IT1101677 B IT 1101677B
Authority
IT
Italy
Prior art keywords
cathode
metallurgic
powder
production method
nickel production
Prior art date
Application number
IT7830478A
Other languages
English (en)
Italian (it)
Original Assignee
Philips Nv
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
Priority claimed from GB7844332A external-priority patent/GB2012103B/en
Priority claimed from GB7844331A external-priority patent/GB2010911B/en
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1101677B publication Critical patent/IT1101677B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
IT7830478A 1977-12-06 1978-12-01 Catodo a ossidi e metodo di produzione di nichel metallurgico in polvere per un tale catodo IT1101677B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5072377 1977-12-06
GB7844332A GB2012103B (en) 1977-12-06 1978-11-14 Oxide cathode
GB7844331A GB2010911B (en) 1977-12-06 1978-11-14 Method of making cathode support nickle strip

Publications (1)

Publication Number Publication Date
IT1101677B true IT1101677B (it) 1985-10-07

Family

ID=27260167

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7830478A IT1101677B (it) 1977-12-06 1978-12-01 Catodo a ossidi e metodo di produzione di nichel metallurgico in polvere per un tale catodo

Country Status (5)

Country Link
JP (1) JPS54100249A (enExample)
CA (1) CA1139827A (enExample)
DE (1) DE2852356C2 (enExample)
FR (1) FR2411483A1 (enExample)
IT (1) IT1101677B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0268259U (enExample) * 1988-07-05 1990-05-23
NL9000405A (nl) * 1990-02-20 1991-09-16 Stichting Energie Poedervormig uitgangsmateriaal voor een legering op nikkelbasis voor het vervaardigen van een poreuze anode van een brandstofcel, werkwijze voor het bereiden van een dergelijk materiaal, werkwijze voor het vervaardigen van een anode voor brandstofcellen, de verkregen anode alsmede brandstofcel, die een dergelijke anode bevat.
JPH0850849A (ja) 1994-05-31 1996-02-20 Nec Kansai Ltd 陰極部材およびそれを用いた電子管
KR102741439B1 (ko) * 2021-06-18 2024-12-12 애플 인크. 무선 전력 전송 회로들에 대한 피드백 제어 방식들

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE523271A (enExample) * 1952-10-06
DE1027801B (de) * 1955-08-25 1958-04-10 Lorenz C Ag Traeger fuer Oxydkathoden
NL101694C (enExample) * 1959-03-06
GB1076229A (en) * 1963-10-08 1967-07-19 Sylvania Electric Prod Cathodes
NL6804720A (enExample) * 1968-04-04 1969-10-07
US4081713A (en) * 1976-01-28 1978-03-28 Hitachi, Ltd. Directly heated oxide cathode

Also Published As

Publication number Publication date
JPS54100249A (en) 1979-08-07
DE2852356C2 (de) 1985-07-04
DE2852356A1 (de) 1979-06-07
FR2411483B1 (enExample) 1984-09-21
CA1139827A (en) 1983-01-18
FR2411483A1 (fr) 1979-07-06
JPS613061B2 (enExample) 1986-01-29

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