FR868086A - Secondary emission cathode, and method for its manufacture - Google Patents

Secondary emission cathode, and method for its manufacture

Info

Publication number
FR868086A
FR868086A FR868086DA FR868086A FR 868086 A FR868086 A FR 868086A FR 868086D A FR868086D A FR 868086DA FR 868086 A FR868086 A FR 868086A
Authority
FR
France
Prior art keywords
manufacture
emission cathode
secondary emission
cathode
emission
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.)
Expired
Application number
Other languages
French (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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Application granted granted Critical
Publication of FR868086A publication Critical patent/FR868086A/en
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
    • 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
    • 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
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR868086D 1939-10-18 1940-12-13 Secondary emission cathode, and method for its manufacture Expired FR868086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU868086X 1939-10-18

Publications (1)

Publication Number Publication Date
FR868086A true FR868086A (en) 1941-12-15

Family

ID=10980743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868086D Expired FR868086A (en) 1939-10-18 1940-12-13 Secondary emission cathode, and method for its manufacture

Country Status (1)

Country Link
FR (1) FR868086A (en)

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