GB468814A - Improvements in or relating to electric discharge lamps - Google Patents

Improvements in or relating to electric discharge lamps

Info

Publication number
GB468814A
GB468814A GB1964636A GB1964636A GB468814A GB 468814 A GB468814 A GB 468814A GB 1964636 A GB1964636 A GB 1964636A GB 1964636 A GB1964636 A GB 1964636A GB 468814 A GB468814 A GB 468814A
Authority
GB
United Kingdom
Prior art keywords
electric discharge
discharge lamps
relating
mercury
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
GB1964636A
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
Priority to GB1964636A priority Critical patent/GB468814A/en
Publication of GB468814A publication Critical patent/GB468814A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/04—Main electrodes; Auxiliary anodes
    • H01J13/06—Cathodes
    • H01J13/08—Cathodes characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
    • H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0075—Cathodic cups
    • H01J2893/0076—Liquid electrode materials

Landscapes

  • Discharge Lamp (AREA)

Abstract

Electrodes of electric discharge lamps are of tellurium containing a proportion, preferably 1 per cent., of mercury.
GB1964636A 1936-07-15 1936-07-15 Improvements in or relating to electric discharge lamps Expired GB468814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1964636A GB468814A (en) 1936-07-15 1936-07-15 Improvements in or relating to electric discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1964636A GB468814A (en) 1936-07-15 1936-07-15 Improvements in or relating to electric discharge lamps

Publications (1)

Publication Number Publication Date
GB468814A true GB468814A (en) 1937-07-13

Family

ID=10132817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1964636A Expired GB468814A (en) 1936-07-15 1936-07-15 Improvements in or relating to electric discharge lamps

Country Status (1)

Country Link
GB (1) GB468814A (en)

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