FR2177497B1 - - Google Patents

Info

Publication number
FR2177497B1
FR2177497B1 FR7210659A FR7210659A FR2177497B1 FR 2177497 B1 FR2177497 B1 FR 2177497B1 FR 7210659 A FR7210659 A FR 7210659A FR 7210659 A FR7210659 A FR 7210659A FR 2177497 B1 FR2177497 B1 FR 2177497B1
Authority
FR
France
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
FR7210659A
Other languages
French (fr)
Other versions
FR2177497A1 (OSRAM
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.)
Laboratoires dElectronique Philips SAS
Original Assignee
Laboratoires dElectronique et de Physique Appliquee
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 Laboratoires dElectronique et de Physique Appliquee filed Critical Laboratoires dElectronique et de Physique Appliquee
Priority to FR7210659A priority Critical patent/FR2177497B1/fr
Priority to DE19732311670 priority patent/DE2311670A1/de
Priority to CA166,654A priority patent/CA1005151A/en
Priority to AU53638/73A priority patent/AU5363873A/en
Priority to NL7304069A priority patent/NL7304069A/xx
Priority to GB1409473A priority patent/GB1413552A/en
Priority to JP3441773A priority patent/JPS5721823B2/ja
Publication of FR2177497A1 publication Critical patent/FR2177497A1/fr
Priority to US05/538,326 priority patent/US3960421A/en
Application granted granted Critical
Publication of FR2177497B1 publication Critical patent/FR2177497B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • 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
    • H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cold Cathode And The Manufacture (AREA)
FR7210659A 1972-03-27 1972-03-27 Expired FR2177497B1 (OSRAM)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7210659A FR2177497B1 (OSRAM) 1972-03-27 1972-03-27
DE19732311670 DE2311670A1 (de) 1972-03-27 1973-03-09 Verfahren zur herstellung einer nichtthermisch emittierenden elektrode fuer eine elektrische entladungsroehre und mit einer derartigen elektrode versehene elektrische entladungsroehre
CA166,654A CA1005151A (en) 1972-03-27 1973-03-21 Method of manufacturing a non-thermally emitting electrode
AU53638/73A AU5363873A (en) 1972-03-27 1973-03-22 Emitting electrode for an electric discharge tube
NL7304069A NL7304069A (OSRAM) 1972-03-27 1973-03-23
GB1409473A GB1413552A (en) 1972-03-27 1973-03-23 Non-thermally emissive electrodes
JP3441773A JPS5721823B2 (OSRAM) 1972-03-27 1973-03-26
US05/538,326 US3960421A (en) 1972-03-27 1975-01-03 Method of manufacturing a non-thermally emitting electrode for an electric discharge tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7210659A FR2177497B1 (OSRAM) 1972-03-27 1972-03-27

Publications (2)

Publication Number Publication Date
FR2177497A1 FR2177497A1 (OSRAM) 1973-11-09
FR2177497B1 true FR2177497B1 (OSRAM) 1978-09-29

Family

ID=9095856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7210659A Expired FR2177497B1 (OSRAM) 1972-03-27 1972-03-27

Country Status (2)

Country Link
DE (1) DE2311670A1 (OSRAM)
FR (1) FR2177497B1 (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1309423A (en) * 1969-03-14 1973-03-14 Matsushita Electric Industrial Co Ltd Field-emission cathodes and methods for preparing these cathodes

Also Published As

Publication number Publication date
DE2311670A1 (de) 1973-10-04
FR2177497A1 (OSRAM) 1973-11-09

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse