FR2360983A1 - Procede pour la realisation d'une cathode a reserve et cathode a reserve ainsi realisee - Google Patents

Procede pour la realisation d'une cathode a reserve et cathode a reserve ainsi realisee

Info

Publication number
FR2360983A1
FR2360983A1 FR7724001A FR7724001A FR2360983A1 FR 2360983 A1 FR2360983 A1 FR 2360983A1 FR 7724001 A FR7724001 A FR 7724001A FR 7724001 A FR7724001 A FR 7724001A FR 2360983 A1 FR2360983 A1 FR 2360983A1
Authority
FR
France
Prior art keywords
cathode
realization
realized
reserved
reserve
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.)
Granted
Application number
FR7724001A
Other languages
English (en)
Other versions
FR2360983B1 (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
Publication of FR2360983A1 publication Critical patent/FR2360983A1/fr
Application granted granted Critical
Publication of FR2360983B1 publication Critical patent/FR2360983B1/fr
Granted 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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
    • 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)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Powder Metallurgy (AREA)

Abstract

L'application de la pièce imprégnée et frittée d'une cathode à réserve dans un support en forme de feule métallique d'une épaisseur de 10 à 100 mu m permet d'obtenir une cathode à reserve présentant une longue durée de vie et des propriétés d'échauffement rapide. Application : cathode.
FR7724001A 1976-08-04 1977-08-04 Procede pour la realisation d'une cathode a reserve et cathode a reserve ainsi realisee Granted FR2360983A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7608642A NL7608642A (nl) 1976-08-04 1976-08-04 Werkwijze voor de vervaardiging van een voor- raadkathode en voorraadkathode vervaardigd volgens die werkwijze.

Publications (2)

Publication Number Publication Date
FR2360983A1 true FR2360983A1 (fr) 1978-03-03
FR2360983B1 FR2360983B1 (fr) 1980-07-18

Family

ID=19826692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724001A Granted FR2360983A1 (fr) 1976-08-04 1977-08-04 Procede pour la realisation d'une cathode a reserve et cathode a reserve ainsi realisee

Country Status (13)

Country Link
JP (1) JPS5328365A (fr)
BE (1) BE857406A (fr)
BR (1) BR7705042A (fr)
CA (1) CA1091291A (fr)
DD (1) DD130604A5 (fr)
DE (1) DE2733342C2 (fr)
ES (1) ES461278A1 (fr)
FI (1) FI772335A (fr)
FR (1) FR2360983A1 (fr)
GB (1) GB1583585A (fr)
IT (1) IT1086053B (fr)
NL (1) NL7608642A (fr)
PL (1) PL123760B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083459A1 (fr) * 1981-12-31 1983-07-13 Koninklijke Philips Electronics N.V. Tube de prise de vues de télévision

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7905542A (nl) * 1979-07-17 1981-01-20 Philips Nv Naleveringskathode.
DE3336489A1 (de) * 1983-10-07 1985-04-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Indirekt geheizte vorratskathode

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110081A (en) * 1959-01-22 1963-11-12 Philips Corp Manufacture of thermionic bodies

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL222412A (fr) * 1956-12-15
US3160780A (en) * 1961-01-17 1964-12-08 Philips Corp Indirectly heated cathode
NL6602973A (fr) * 1966-03-08 1967-09-11
DE1764260A1 (de) * 1968-05-04 1971-07-01 Telefunken Patent Verfahren zum Herstellen einer Vorratskathode

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110081A (en) * 1959-01-22 1963-11-12 Philips Corp Manufacture of thermionic bodies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083459A1 (fr) * 1981-12-31 1983-07-13 Koninklijke Philips Electronics N.V. Tube de prise de vues de télévision

Also Published As

Publication number Publication date
PL123760B1 (en) 1982-11-30
FI772335A (fr) 1978-02-05
DD130604A5 (de) 1978-04-12
GB1583585A (en) 1981-01-28
CA1091291A (fr) 1980-12-09
BR7705042A (pt) 1978-06-06
IT1086053B (it) 1985-05-28
DE2733342C2 (de) 1986-05-15
BE857406A (fr) 1978-02-02
DE2733342A1 (de) 1978-02-09
PL199999A1 (pl) 1978-03-28
JPS5328365A (en) 1978-03-16
JPS617697B2 (fr) 1986-03-08
ES461278A1 (es) 1978-05-01
FR2360983B1 (fr) 1980-07-18
NL7608642A (nl) 1978-02-07

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Legal Events

Date Code Title Description
DR Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse
ST Notification of lapse