GB447617A - Improvements in or relating to gaseous electric discharge devices - Google Patents

Improvements in or relating to gaseous electric discharge devices

Info

Publication number
GB447617A
GB447617A GB33619/34A GB3361934A GB447617A GB 447617 A GB447617 A GB 447617A GB 33619/34 A GB33619/34 A GB 33619/34A GB 3361934 A GB3361934 A GB 3361934A GB 447617 A GB447617 A GB 447617A
Authority
GB
United Kingdom
Prior art keywords
wires
electrode
vessel
nickel
tungsten
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
GB33619/34A
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.)
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 GB447617A publication Critical patent/GB447617A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)
GB33619/34A 1933-11-22 1934-11-22 Improvements in or relating to gaseous electric discharge devices Expired GB447617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US699264A US2056628A (en) 1933-11-22 1933-11-22 Self starting gaseous electric discharge device

Publications (1)

Publication Number Publication Date
GB447617A true GB447617A (en) 1936-05-22

Family

ID=24808571

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33619/34A Expired GB447617A (en) 1933-11-22 1934-11-22 Improvements in or relating to gaseous electric discharge devices

Country Status (5)

Country Link
US (1) US2056628A (da)
BE (1) BE406408A (da)
DE (1) DE643861C (da)
FR (1) FR781585A (da)
GB (1) GB447617A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3368810D1 (en) * 1982-02-10 1987-02-05 Mitsubishi Electric Corp Metal vapor discharge lamp
US7597574B2 (en) * 2006-08-11 2009-10-06 Asm America, Inc. Lamp fasteners for semiconductor processing reactors
CN109805000B (zh) * 2019-03-29 2024-04-16 福建锦特新材料科技有限公司 一种带电防护网与其生产方法及应用其的帐篷

Also Published As

Publication number Publication date
BE406408A (da)
DE643861C (de) 1937-04-19
FR781585A (fr) 1935-05-18
US2056628A (en) 1936-10-06

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