FR874584A - Perfectionnements aux couches à haute émissivit? secondaire, en particulier pour les électrodes de bombardement de multiplicateurs d'électrons - Google Patents

Perfectionnements aux couches à haute émissivit? secondaire, en particulier pour les électrodes de bombardement de multiplicateurs d'électrons

Info

Publication number
FR874584A
FR874584A FR874584DA FR874584A FR 874584 A FR874584 A FR 874584A FR 874584D A FR874584D A FR 874584DA FR 874584 A FR874584 A FR 874584A
Authority
FR
France
Prior art keywords
diapers
high emissivity
electron multipliers
bombardment
electrodes
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
English (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.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR874584A publication Critical patent/FR874584A/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
    • 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)
FR874584D 1940-08-29 1941-08-09 Perfectionnements aux couches à haute émissivit? secondaire, en particulier pour les électrodes de bombardement de multiplicateurs d'électrons Expired FR874584A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE874584X 1940-08-29

Publications (1)

Publication Number Publication Date
FR874584A true FR874584A (fr) 1942-08-11

Family

ID=6816924

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874584D Expired FR874584A (fr) 1940-08-29 1941-08-09 Perfectionnements aux couches à haute émissivit? secondaire, en particulier pour les électrodes de bombardement de multiplicateurs d'électrons

Country Status (1)

Country Link
FR (1) FR874584A (fr)

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