JPS5650047A - Short arc discharge lamp - Google Patents

Short arc discharge lamp

Info

Publication number
JPS5650047A
JPS5650047A JP12531279A JP12531279A JPS5650047A JP S5650047 A JPS5650047 A JP S5650047A JP 12531279 A JP12531279 A JP 12531279A JP 12531279 A JP12531279 A JP 12531279A JP S5650047 A JPS5650047 A JP S5650047A
Authority
JP
Japan
Prior art keywords
anode
discharge lamp
airtight container
arc discharge
short arc
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
JP12531279A
Other languages
Japanese (ja)
Other versions
JPS592145B2 (en
Inventor
Yoshiyuki Tokuda
Nobuhiro Koga
Hideo Koizumi
Yoichi Miyashita
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 JP12531279A priority Critical patent/JPS592145B2/en
Priority to DE19803036746 priority patent/DE3036746C2/en
Priority to GB8031667A priority patent/GB2064211B/en
Publication of JPS5650047A publication Critical patent/JPS5650047A/en
Publication of JPS592145B2 publication Critical patent/JPS592145B2/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
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

PURPOSE: To prevent clouding and blackening of the wall of an airtight container by forming an anode with tungsten which contains at least one metal selected from the group consisting of silicon, aluminium and potassium.
CONSTITUTION: A xenon discharge lamp 1 is sealed holding respectively an anode 3 and a cathode 4 on both end parts of an airtight container 2, which is made of quartz, with a predetermined discharging gap, and has a sealing tip 6 which is sealed after the air in the airtight container 2 is evacuated through it. The anode 3 and the cathode 4 are connected electrically with one ends of leads 7, 7 respectively, and the other ends of leads 7, 7 are connected electrically with outer terminals 9, 9 of bases 8, 8 respectively. The anode 3 consists of tungsten which contains at least one metal selected from the group consisting of silicon, aluminium and potassium.
COPYRIGHT: (C)1981,JPO&Japio
JP12531279A 1979-10-01 1979-10-01 short arc light discharge lamp Expired JPS592145B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12531279A JPS592145B2 (en) 1979-10-01 1979-10-01 short arc light discharge lamp
DE19803036746 DE3036746C2 (en) 1979-10-01 1980-09-29 Noble gas short-arc discharge lamp
GB8031667A GB2064211B (en) 1979-10-01 1980-10-01 Short-arc discharge lamp anode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12531279A JPS592145B2 (en) 1979-10-01 1979-10-01 short arc light discharge lamp

Publications (2)

Publication Number Publication Date
JPS5650047A true JPS5650047A (en) 1981-05-07
JPS592145B2 JPS592145B2 (en) 1984-01-17

Family

ID=14906983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12531279A Expired JPS592145B2 (en) 1979-10-01 1979-10-01 short arc light discharge lamp

Country Status (3)

Country Link
JP (1) JPS592145B2 (en)
DE (1) DE3036746C2 (en)
GB (1) GB2064211B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165918U (en) * 1981-04-07 1982-10-19
JPS58129741A (en) * 1982-01-29 1983-08-02 Toshiba Corp Metal halide lamp
JPS6017848A (en) * 1983-07-08 1985-01-29 Toshiba Corp Metal halide lamp
US4922670A (en) * 1989-01-27 1990-05-08 Naka Technical Laboratory Free access floor and method of constructing the same

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5041041A (en) * 1986-12-22 1991-08-20 Gte Products Corporation Method of fabricating a composite lamp filament
CA1305512C (en) * 1986-12-22 1992-07-21 Thomas J. Patrician Method of fabricating a composite lamp member
US5278474A (en) * 1989-01-12 1994-01-11 Tokyo Densoku Kabushiki Kaisha Discharge tube
DE4008375A1 (en) * 1990-03-15 1991-09-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh HIGH PRESSURE DISCHARGE LAMP
DE4229317A1 (en) * 1992-09-02 1994-03-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure discharge lamp
JP3158972B2 (en) * 1995-06-26 2001-04-23 ウシオ電機株式会社 Short arc type mercury lamp and lighting method thereof
JP3216877B2 (en) * 1997-11-18 2001-10-09 松下電子工業株式会社 High pressure discharge lamp, illumination optical device using this high pressure discharge lamp as light source, and image display device using this illumination optical device
US6492772B1 (en) * 1999-02-10 2002-12-10 Matsushita Electric Industrial Co., Ltd. High pressure discharge lamp, high pressure discharge lamp electrode, method of producing the high pressure discharge lamp electrode, and illumination device and image display apparatus respectively using the high pressure discharge lamps
JP3425929B2 (en) 2000-07-04 2003-07-14 エヌイーシーマイクロ波管株式会社 High pressure discharge lamp and manufacturing method thereof
DE102006061375B4 (en) 2006-12-22 2019-01-03 Osram Gmbh Mercury high-pressure discharge lamp with an anode containing tungsten and potassium, which has a grain count greater than 200 grains per mm 2 and a density greater than 19.05 g / cm 3

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756326C (en) * 1937-02-20 1952-11-17 Ulrich W Doering Electric discharge lamp with basic inert gas filling
NL175480C (en) * 1974-06-12 1984-11-01 Philips Nv ELECTRODE FOR A DISCHARGE LAMP, METHOD FOR MANUFACTURING SUCH ELECTRODE AND DISCHARGE LAMP PROVIDED WITH SUCH ELECTRODE.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165918U (en) * 1981-04-07 1982-10-19
JPS637762Y2 (en) * 1981-04-07 1988-03-07
JPS58129741A (en) * 1982-01-29 1983-08-02 Toshiba Corp Metal halide lamp
JPS6017848A (en) * 1983-07-08 1985-01-29 Toshiba Corp Metal halide lamp
US4922670A (en) * 1989-01-27 1990-05-08 Naka Technical Laboratory Free access floor and method of constructing the same

Also Published As

Publication number Publication date
JPS592145B2 (en) 1984-01-17
DE3036746A1 (en) 1981-04-02
GB2064211B (en) 1983-08-24
DE3036746C2 (en) 1982-12-09
GB2064211A (en) 1981-06-10

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