FR1256158A - Improvements in manufacturing processes for nickel supports for oxide cathodes and related cathodes - Google Patents

Improvements in manufacturing processes for nickel supports for oxide cathodes and related cathodes

Info

Publication number
FR1256158A
FR1256158A FR820409A FR820409A FR1256158A FR 1256158 A FR1256158 A FR 1256158A FR 820409 A FR820409 A FR 820409A FR 820409 A FR820409 A FR 820409A FR 1256158 A FR1256158 A FR 1256158A
Authority
FR
France
Prior art keywords
cathodes
manufacturing processes
oxide
nickel
supports
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR820409A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1256158A publication Critical patent/FR1256158A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/26—Supports for the emissive 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
FR820409A 1959-03-06 1960-03-04 Improvements in manufacturing processes for nickel supports for oxide cathodes and related cathodes Expired FR1256158A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL236877 1959-03-06

Publications (1)

Publication Number Publication Date
FR1256158A true FR1256158A (en) 1961-03-17

Family

ID=19751610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820409A Expired FR1256158A (en) 1959-03-06 1960-03-04 Improvements in manufacturing processes for nickel supports for oxide cathodes and related cathodes

Country Status (5)

Country Link
US (1) US3056061A (en)
DE (1) DE1105071B (en)
FR (1) FR1256158A (en)
GB (1) GB947999A (en)
NL (1) NL101694C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113236A (en) * 1959-06-23 1963-12-03 Philips Corp Oxide dispenser type cathode
NL272248A (en) * 1960-12-15
GB1077228A (en) * 1964-08-17 1967-07-26 Sylvania Electric Prod Indirectly heated cathode
DE1614495B1 (en) * 1967-04-10 1971-03-11 Siemens Ag MEDIUM HEATED STORAGE CATHODE FOR ELECTRIC DISCHARGE VESSELS
NL158647B (en) * 1973-06-06 1978-11-15 Philips Nv OXYD CATHOD FOR AN ELECTRIC DISCHARGE TUBE.
CA1139827A (en) * 1977-12-06 1983-01-18 George L. Davis Oxide cathode and method of manufacturing powder metallurgical nickel for such a cathode
US4532452A (en) * 1983-10-31 1985-07-30 Rca Corporation Cathode structure for a cathodoluminescent display devices
JPH0677435B2 (en) * 1985-03-18 1994-09-28 株式会社日立製作所 Method for manufacturing indirectly heated cathode
DE10254697A1 (en) * 2002-11-23 2004-06-03 Philips Intellectual Property & Standards Gmbh Vacuum electron tube with oxide cathode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778970A (en) * 1952-06-07 1957-01-22 Rca Corp Core alloy for indirectly heated cathodes
NL97850C (en) * 1953-08-14

Also Published As

Publication number Publication date
GB947999A (en) 1964-01-29
DE1105071B (en) 1961-04-20
NL101694C (en)
US3056061A (en) 1962-09-25

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