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FR877579A - Process for manufacturing electrodes for electric cathodic luminescence lamps or tubes - Google Patents

Process for manufacturing electrodes for electric cathodic luminescence lamps or tubes

Info

Publication number
FR877579A
FR877579A FR877579DA FR877579A FR 877579 A FR877579 A FR 877579A FR 877579D A FR877579D A FR 877579DA FR 877579 A FR877579 A FR 877579A
Authority
FR
France
Prior art keywords
tubes
manufacturing electrodes
luminescence lamps
electric cathodic
electric
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen 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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Application granted granted Critical
Publication of FR877579A publication Critical patent/FR877579A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
FR877579D 1940-12-23 1941-12-06 Process for manufacturing electrodes for electric cathodic luminescence lamps or tubes Expired FR877579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE877579X 1940-12-23

Publications (1)

Publication Number Publication Date
FR877579A true FR877579A (en) 1942-12-10

Family

ID=6818130

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877579D Expired FR877579A (en) 1940-12-23 1941-12-06 Process for manufacturing electrodes for electric cathodic luminescence lamps or tubes

Country Status (1)

Country Link
FR (1) FR877579A (en)

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