JPS5753043A - Manufacturing method for electrode for discharge lamp - Google Patents

Manufacturing method for electrode for discharge lamp

Info

Publication number
JPS5753043A
JPS5753043A JP12767180A JP12767180A JPS5753043A JP S5753043 A JPS5753043 A JP S5753043A JP 12767180 A JP12767180 A JP 12767180A JP 12767180 A JP12767180 A JP 12767180A JP S5753043 A JPS5753043 A JP S5753043A
Authority
JP
Japan
Prior art keywords
emitter
electrode
spherical
broken
fitted
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.)
Granted
Application number
JP12767180A
Other languages
Japanese (ja)
Other versions
JPS6329775B2 (en
Inventor
Hiroshi Sugiyama
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP12767180A priority Critical patent/JPS5753043A/en
Publication of JPS5753043A publication Critical patent/JPS5753043A/en
Publication of JPS6329775B2 publication Critical patent/JPS6329775B2/ja
Granted 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
    • H01J9/02—Manufacture of electrodes or electrode systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)

Abstract

PURPOSE:To prevent an emitter from being broken and dropped and to improve the life and function of an electrode by forming the surface of the emitter into a concave shape using a press-in rod whose tip is spherical or conical before the emitter is fitted in a metal pot and heat-treated. CONSTITUTION:An emitter 5 is fitted in a metal pot 4. A press-in rod 7 whose tip is spherical or conical is inserted in the pot 4 and pressurized. The surface of the emitter 5 is worked into a concave shape. Then when quick heat-treatment such as high frequency heating, etc. is performed, it is so constituted that generated cracks 8 converge to the center of the concave surface since the surface of the emitter 5 is concaved. Therefore, the emitter piece 10 of the emitter 5 is tapered and upward slipping is prevented. As a result, since a part of the emitter 5 is prevented from being broken, the life and function of an electrode can be improved.
JP12767180A 1980-09-13 1980-09-13 Manufacturing method for electrode for discharge lamp Granted JPS5753043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12767180A JPS5753043A (en) 1980-09-13 1980-09-13 Manufacturing method for electrode for discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12767180A JPS5753043A (en) 1980-09-13 1980-09-13 Manufacturing method for electrode for discharge lamp

Publications (2)

Publication Number Publication Date
JPS5753043A true JPS5753043A (en) 1982-03-29
JPS6329775B2 JPS6329775B2 (en) 1988-06-15

Family

ID=14965832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12767180A Granted JPS5753043A (en) 1980-09-13 1980-09-13 Manufacturing method for electrode for discharge lamp

Country Status (1)

Country Link
JP (1) JPS5753043A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005069348A1 (en) * 2004-01-20 2005-07-28 Sony Corporation Discharge lamp and electrode for discharge lamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005069348A1 (en) * 2004-01-20 2005-07-28 Sony Corporation Discharge lamp and electrode for discharge lamp
JP2005209382A (en) * 2004-01-20 2005-08-04 Sony Corp Discharge lamp, and discharge lamp electrode
US7750546B2 (en) 2004-01-20 2010-07-06 Sony Corporation Discharge lamp and electrode for use in the same
US7919914B2 (en) 2004-01-20 2011-04-05 Sony Corporation Discharge lamp and electrode for use in the same

Also Published As

Publication number Publication date
JPS6329775B2 (en) 1988-06-15

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