JPS56106359A - Electrode of discharge lamp - Google Patents

Electrode of discharge lamp

Info

Publication number
JPS56106359A
JPS56106359A JP893480A JP893480A JPS56106359A JP S56106359 A JPS56106359 A JP S56106359A JP 893480 A JP893480 A JP 893480A JP 893480 A JP893480 A JP 893480A JP S56106359 A JPS56106359 A JP S56106359A
Authority
JP
Japan
Prior art keywords
active material
metal wire
oxide
carbonate
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.)
Pending
Application number
JP893480A
Other languages
Japanese (ja)
Inventor
Masaaki Yada
Shigeru Sudo
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP893480A priority Critical patent/JPS56106359A/en
Publication of JPS56106359A publication Critical patent/JPS56106359A/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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE:To prevent both generation of carbon dioxide gas and falling off of electron radio-active material during lighting, by sintering and solidifying the mixture of heatproof oxide and carbonate through irradiation of laser for the electron radio- active material covering the whole surface of an electrode body. CONSTITUTION:An electrode body 4 is formed by winding in a coil, a metal wire 3 of high melting point consisting of fine metal wire 2 made of tungsten etc. wound around a core 1 made of tungsten etc., and electron radio-active material 5 is spread through the clearance between the surface where metal wire 3 is wound and the core 1 for both metal wire 3 and fine wire 2. Electron radio-active material 5 is sintered and solidified by applying laser as a heat source to the spread film of a paste which can be produced by dissolving a mixture of heat-proof oxide such as tungsten oxide etc. and a carbonate such as barium carbonate etc. in buthyl oxide solution.
JP893480A 1980-01-29 1980-01-29 Electrode of discharge lamp Pending JPS56106359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP893480A JPS56106359A (en) 1980-01-29 1980-01-29 Electrode of discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP893480A JPS56106359A (en) 1980-01-29 1980-01-29 Electrode of discharge lamp

Publications (1)

Publication Number Publication Date
JPS56106359A true JPS56106359A (en) 1981-08-24

Family

ID=11706489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP893480A Pending JPS56106359A (en) 1980-01-29 1980-01-29 Electrode of discharge lamp

Country Status (1)

Country Link
JP (1) JPS56106359A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756311A1 (en) * 1995-07-28 1997-01-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electrode coil for discharge lamps and process for prodcucing such an electrode coil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756311A1 (en) * 1995-07-28 1997-01-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electrode coil for discharge lamps and process for prodcucing such an electrode coil
US5729081A (en) * 1995-07-28 1998-03-17 Osram Sylvania Inc. Electrode coil for discharge lamps and method for producing such an electrode coil

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