DE1146207B - Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren - Google Patents

Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren

Info

Publication number
DE1146207B
DE1146207B DEN20942A DEN0020942A DE1146207B DE 1146207 B DE1146207 B DE 1146207B DE N20942 A DEN20942 A DE N20942A DE N0020942 A DEN0020942 A DE N0020942A DE 1146207 B DE1146207 B DE 1146207B
Authority
DE
Germany
Prior art keywords
cathode
aluminum
support body
metal
reaction
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.)
Pending
Application number
DEN20942A
Other languages
German (de)
English (en)
Inventor
Henri Provisor
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
Publication of DE1146207B publication Critical patent/DE1146207B/de
Pending 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)
  • Powder Metallurgy (AREA)
DEN20942A 1960-12-15 1961-12-12 Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren Pending DE1146207B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR847062A FR1282691A (fr) 1960-12-15 1960-12-15 Perfectionnement aux cathodes à oxydes à chauffage indirect pour tubes électroniques

Publications (1)

Publication Number Publication Date
DE1146207B true DE1146207B (de) 1963-03-28

Family

ID=8744850

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN20942A Pending DE1146207B (de) 1960-12-15 1961-12-12 Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren

Country Status (6)

Country Link
US (1) US3262814A (US08158827-20120417-C00057.png)
DE (1) DE1146207B (US08158827-20120417-C00057.png)
FR (1) FR1282691A (US08158827-20120417-C00057.png)
GB (1) GB994471A (US08158827-20120417-C00057.png)
LU (1) LU40949A1 (US08158827-20120417-C00057.png)
NL (1) NL272248A (US08158827-20120417-C00057.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500454A (en) * 1967-11-16 1970-03-10 Sylvania Electric Prod Insulator heater coating for heater-cathode assembly
US3958146A (en) * 1974-02-08 1976-05-18 Gte Sylvania Incorporated Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof
US4009409A (en) * 1975-09-02 1977-02-22 Gte Sylvania Incorporated Fast warmup cathode and method of making same
NL8002665A (nl) * 1980-05-09 1981-12-01 Philips Nv Werkwijze voor het van een thermisch zwart oppervlak voorzien van een metalen onderdeel.
JPH0677435B2 (ja) * 1985-03-18 1994-09-28 株式会社日立製作所 傍熱形陰極の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967715C (de) * 1952-04-01 1957-12-05 Gen Electric Mittelbar geheizte Thoriumkathode fuer elektrische Entladungsroehren

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE489888A (US08158827-20120417-C00057.png) * 1947-02-15 Gen Electric
US2817572A (en) * 1954-04-06 1957-12-24 Telefunken Ges Fur Drahtlase T Electrodes for electron discharge tubes
US2891879A (en) * 1957-07-26 1959-06-23 Westinghouse Electric Corp Black coating of high thermal emissivity and process for applying the same
NL95320C (US08158827-20120417-C00057.png) * 1957-10-04
US2987423A (en) * 1958-09-26 1961-06-06 Rca Corp Heat radiating coatings
US3068337A (en) * 1958-12-05 1962-12-11 Gen Electric Vaporizer and method for making the same
NL101694C (US08158827-20120417-C00057.png) * 1959-03-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967715C (de) * 1952-04-01 1957-12-05 Gen Electric Mittelbar geheizte Thoriumkathode fuer elektrische Entladungsroehren

Also Published As

Publication number Publication date
NL272248A (US08158827-20120417-C00057.png)
GB994471A (en) 1965-06-10
FR1282691A (fr) 1962-01-27
LU40949A1 (US08158827-20120417-C00057.png) 1962-02-12
US3262814A (en) 1966-07-26

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