GB460875A - Improvements in and relating to electric arc discharge devices - Google Patents

Improvements in and relating to electric arc discharge devices

Info

Publication number
GB460875A
GB460875A GB21484/36A GB2148436A GB460875A GB 460875 A GB460875 A GB 460875A GB 21484/36 A GB21484/36 A GB 21484/36A GB 2148436 A GB2148436 A GB 2148436A GB 460875 A GB460875 A GB 460875A
Authority
GB
United Kingdom
Prior art keywords
relating
electric arc
arc discharge
discharge devices
per cent
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
GB21484/36A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB460875A publication Critical patent/GB460875A/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
    • H01J13/34—Igniting arrangements
    • 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
    • H01J13/48—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • 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
    • H01J2893/0087—Igniting means; Cathode spot maintaining or extinguishing means

Landscapes

  • Lasers (AREA)

Abstract

A vapour-filled electric discharge device comprises a glass container the ends of which are sealed by discs which consist of an alloy of 54 per cent iron, 28 per cent nickel and 18 per cent cobalt.
GB21484/36A 1935-08-06 1936-08-04 Improvements in and relating to electric arc discharge devices Expired GB460875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US460875XA 1935-08-06 1935-08-06

Publications (1)

Publication Number Publication Date
GB460875A true GB460875A (en) 1937-02-05

Family

ID=21941538

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21484/36A Expired GB460875A (en) 1935-08-06 1936-08-04 Improvements in and relating to electric arc discharge devices

Country Status (1)

Country Link
GB (1) GB460875A (en)

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