GB529074A - Improvements in and relating to electric discharge devices - Google Patents

Improvements in and relating to electric discharge devices

Info

Publication number
GB529074A
GB529074A GB15062/39A GB1506239A GB529074A GB 529074 A GB529074 A GB 529074A GB 15062/39 A GB15062/39 A GB 15062/39A GB 1506239 A GB1506239 A GB 1506239A GB 529074 A GB529074 A GB 529074A
Authority
GB
United Kingdom
Prior art keywords
electric discharge
discharge devices
relating
per cent
cathodes
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
GB15062/39A
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 GB529074A publication Critical patent/GB529074A/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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/385—Exhausting vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/002—Chemical composition and manufacture chemical

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Lasers (AREA)

Abstract

529,074. Alloys. BRITISH THOMSONHOUSTON CO., Ltd. May 20, 1939, No. 15062. Convention date, May 27, 1938. [Class 82 (i)] Constructional parts of electric discharge devices, other than cathodes, which require to be degassed before use, are made of an alloy of iron with 0.1-5 per cent. of aluminium, particularly 1 per cent.
GB15062/39A 1938-05-27 1939-05-20 Improvements in and relating to electric discharge devices Expired GB529074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE529074X 1938-05-27

Publications (1)

Publication Number Publication Date
GB529074A true GB529074A (en) 1940-11-13

Family

ID=6553920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15062/39A Expired GB529074A (en) 1938-05-27 1939-05-20 Improvements in and relating to electric discharge devices

Country Status (1)

Country Link
GB (1) GB529074A (en)

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