JPS57202643A - Metallic vapor discharge lamp - Google Patents

Metallic vapor discharge lamp

Info

Publication number
JPS57202643A
JPS57202643A JP8843781A JP8843781A JPS57202643A JP S57202643 A JPS57202643 A JP S57202643A JP 8843781 A JP8843781 A JP 8843781A JP 8843781 A JP8843781 A JP 8843781A JP S57202643 A JPS57202643 A JP S57202643A
Authority
JP
Japan
Prior art keywords
gas
lamp
discharge lamp
scatter
rise
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.)
Pending
Application number
JP8843781A
Other languages
Japanese (ja)
Inventor
Katsuya Otani
Keiji Watabe
Masahiro Dobashi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8843781A priority Critical patent/JPS57202643A/en
Publication of JPS57202643A publication Critical patent/JPS57202643A/en
Pending 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
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent

Landscapes

  • Discharge Lamp (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE:To provide a long-lived discharge lamp while suppressing the rise of lamp voltage by reducing arc convection current to permit the scatter of electrode material to be reduced by making the pressure of Xe gas enclosed within a light emission tube specific pressure. CONSTITUTION:A light emission tube having the diameter more than 8mm.phi is provided with closed Xe gas pressure less than 250 torr or with a molar ratio of sodium amalgam more than 60% if sodium and mercury gas is enclosed in the tube instead of the Xe gas. Hereby, it is possible to reduce the convection current of an arc generated when lighted and the scatter of electrode materials, providing a long-lived lamp while prohibiting the rise of lamp voltage.
JP8843781A 1981-06-09 1981-06-09 Metallic vapor discharge lamp Pending JPS57202643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8843781A JPS57202643A (en) 1981-06-09 1981-06-09 Metallic vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8843781A JPS57202643A (en) 1981-06-09 1981-06-09 Metallic vapor discharge lamp

Publications (1)

Publication Number Publication Date
JPS57202643A true JPS57202643A (en) 1982-12-11

Family

ID=13942766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8843781A Pending JPS57202643A (en) 1981-06-09 1981-06-09 Metallic vapor discharge lamp

Country Status (1)

Country Link
JP (1) JPS57202643A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314121A2 (en) * 1987-10-28 1989-05-03 Mitsubishi Denki Kabushiki Kaisha Hot-cathode discharge fluorescent lamp filled with low pressure rare gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314121A2 (en) * 1987-10-28 1989-05-03 Mitsubishi Denki Kabushiki Kaisha Hot-cathode discharge fluorescent lamp filled with low pressure rare gas

Similar Documents

Publication Publication Date Title
ES2025500A6 (en) Low watt metal halide lamp.
ES472726A1 (en) Low-pressure mercury vapor discharge lamp
EP0348915A3 (en) Pulsed light source
CA2225832A1 (en) Fluorescent lamp of the exterior electrode type as well as radiation unit
ES472717A1 (en) Discharge lamp unit including integral ballast
JPS579048A (en) Metal vapor discharge lamp
JPS57202643A (en) Metallic vapor discharge lamp
JPS5778765A (en) Fluorescent glow discharge lamp
GB802877A (en) Improvements in low pressure discharge lamps
EP0152264A3 (en) Fluorescent lamp device
JPS567343A (en) Fluorescent lamp
JPS5753064A (en) Metal halide lamp
US3753024A (en) Glow lamp with nickel-plated electrodes
JPS5650045A (en) Electrode for discharge lamp
JPS5753062A (en) Halide lamp
EP0136726A3 (en) Emissive material for high intensity sodium vapor discharge device
GB863468A (en) Improvements in or relating to low pressure electric discharge lamps
JPS55163760A (en) High pressure metallic gas discharge lamp
JPS5626350A (en) High-pressure metal vapor discharge lamp
JPS57113550A (en) Discharge lamp
JPS56107466A (en) Metal halide lamp
JPS56134468A (en) Fluorescent lamp
JPS5458980A (en) Metal vapor discharge lamp
JPS55143773A (en) Metal vapor discharge lamp
JPS55143768A (en) Metal vapor discharge lamp and its manufacture