FR1570873A - - Google Patents

Info

Publication number
FR1570873A
FR1570873A FR1570873DA FR1570873A FR 1570873 A FR1570873 A FR 1570873A FR 1570873D A FR1570873D A FR 1570873DA FR 1570873 A FR1570873 A FR 1570873A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1570873A publication Critical patent/FR1570873A/fr
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
    • H01J1/32—Secondary-electron-emitting 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
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Cold Cathode And The Manufacture (AREA)
FR1570873D 1967-07-14 1968-06-14 Expired FR1570873A (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65353067A 1967-07-14 1967-07-14

Publications (1)

Publication Number Publication Date
FR1570873A true FR1570873A (en, 2012) 1969-06-13

Family

ID=24621250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1570873D Expired FR1570873A (en, 2012) 1967-07-14 1968-06-14

Country Status (4)

Country Link
DE (1) DE1764670B1 (en, 2012)
FR (1) FR1570873A (en, 2012)
GB (1) GB1193393A (en, 2012)
NL (1) NL6809894A (en, 2012)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942132A (en) * 1957-10-02 1960-06-21 Rca Corp Electron multiplier
BE630375A (en, 2012) * 1962-03-30

Also Published As

Publication number Publication date
DE1764670B1 (de) 1971-11-04
GB1193393A (en) 1970-05-28
NL6809894A (en, 2012) 1969-01-16

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Legal Events

Date Code Title Description
ST Notification of lapse