FR2182619B1 - - Google Patents

Info

Publication number
FR2182619B1
FR2182619B1 FR7210660A FR7210660A FR2182619B1 FR 2182619 B1 FR2182619 B1 FR 2182619B1 FR 7210660 A FR7210660 A FR 7210660A FR 7210660 A FR7210660 A FR 7210660A FR 2182619 B1 FR2182619 B1 FR 2182619B1
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
FR7210660A
Other languages
French (fr)
Other versions
FR2182619A1 (en
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 FR7210660A priority Critical patent/FR2182619A1/fr
Priority to CA166,654A priority patent/CA1005151A/en
Priority to AU53638/73A priority patent/AU5363873A/en
Priority to GB1409473A priority patent/GB1413552A/en
Priority to NL7304069A priority patent/NL7304069A/xx
Priority to IT6785173A priority patent/IT984431B/it
Priority to JP3441773A priority patent/JPS5721823B2/ja
Publication of FR2182619A1 publication Critical patent/FR2182619A1/fr
Application granted granted Critical
Publication of FR2182619B1 publication Critical patent/FR2182619B1/fr
Priority to US05/538,326 priority patent/US3960421A/en
Granted 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)
FR7210660A 1972-03-27 1972-03-27 Cold cathode for electro emission devices - by lowering the extraction potential using a diffused dopant Granted FR2182619A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7210660A FR2182619A1 (en) 1972-03-27 1972-03-27 Cold cathode for electro emission devices - by lowering the extraction potential using a diffused dopant
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 (US20100175706A1-20100715-C00006.png) 1972-03-27 1973-03-23
GB1409473A GB1413552A (en) 1972-03-27 1973-03-23 Non-thermally emissive electrodes
IT6785173A IT984431B (it) 1972-03-27 1973-03-23 Procedimento per la fabbricazione di un elettrodo emettitore non ter mico e tubo a scarica elettrica com prendente tale elettrodo
JP3441773A JPS5721823B2 (US20100175706A1-20100715-C00006.png) 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
FR7210660A FR2182619A1 (en) 1972-03-27 1972-03-27 Cold cathode for electro emission devices - by lowering the extraction potential using a diffused dopant

Publications (2)

Publication Number Publication Date
FR2182619A1 FR2182619A1 (en) 1973-12-14
FR2182619B1 true FR2182619B1 (US20100175706A1-20100715-C00006.png) 1974-12-13

Family

ID=9095857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7210660A Granted FR2182619A1 (en) 1972-03-27 1972-03-27 Cold cathode for electro emission devices - by lowering the extraction potential using a diffused dopant

Country Status (2)

Country Link
FR (1) FR2182619A1 (US20100175706A1-20100715-C00006.png)
IT (1) IT984431B (US20100175706A1-20100715-C00006.png)

Also Published As

Publication number Publication date
FR2182619A1 (en) 1973-12-14
IT984431B (it) 1974-11-20

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Legal Events

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