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JPS5574052A - Gas discharge lamp - Google Patents

Gas discharge lamp

Info

Publication number
JPS5574052A
JPS5574052A JP14650778A JP14650778A JPS5574052A JP S5574052 A JPS5574052 A JP S5574052A JP 14650778 A JP14650778 A JP 14650778A JP 14650778 A JP14650778 A JP 14650778A JP S5574052 A JPS5574052 A JP S5574052A
Authority
JP
Japan
Prior art keywords
heat resistant
resistant metal
oxide
discharge lamp
gas discharge
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
JP14650778A
Other languages
Japanese (ja)
Inventor
Shiichiro Yoshizaki
Shoji Makuuchi
Tadashi Morita
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 JP14650778A priority Critical patent/JPS5574052A/en
Publication of JPS5574052A publication Critical patent/JPS5574052A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE: To obtain a gas discharge lamp having a sintered electrode of good performance characteristic, with an excellent electron emission characteristic and its maintainability, by forming into a prescribed shape and sintering the composite granule unit in which surfaces of the granule unit of electron emitting material are coated by heat resistant metal and the like.
CONSTITUTION: More than one kind of electron emitting material oxide or carbonate, for instance, BaO, CaO, SrO, BaCO3, CaCO3, SrCO3, etc. and more than one kind of heat resistant metal (W, Mo, Ta, Ti, Zr, Ni, Nb, etc.) or heat resistant oxide (ZrO2, Al2O3, ThO2, Y2O3, etc.) are mixed, after being processed firing at 1200W1800°C in vacuum and neutral or reducing atmosphere, pulverized and granulated. On surfaces of this granule unit is coated a heat resistant metal or its oxide fine powder in conglomerate state, being formed into a prescribed shape, and sintered at 1150W1750°C to construct the electrode.
COPYRIGHT: (C)1980,JPO&Japio
JP14650778A 1978-11-29 1978-11-29 Gas discharge lamp Pending JPS5574052A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14650778A JPS5574052A (en) 1978-11-29 1978-11-29 Gas discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14650778A JPS5574052A (en) 1978-11-29 1978-11-29 Gas discharge lamp

Publications (1)

Publication Number Publication Date
JPS5574052A true JPS5574052A (en) 1980-06-04

Family

ID=15409186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14650778A Pending JPS5574052A (en) 1978-11-29 1978-11-29 Gas discharge lamp

Country Status (1)

Country Link
JP (1) JPS5574052A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0643416A1 (en) * 1993-03-17 1995-03-15 TDK Corporation Material for electrode of discharge lamp, method for producing the material, and electrode of discharge lamp
EP1104005A1 (en) * 1999-11-23 2001-05-30 Philips Corporate Intellectual Property GmbH Gas discharge lamp having an oxide emitter electrode

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0643416A1 (en) * 1993-03-17 1995-03-15 TDK Corporation Material for electrode of discharge lamp, method for producing the material, and electrode of discharge lamp
EP0643416A4 (en) * 1993-03-17 1996-10-30 Tdk Corp Material for electrode of discharge lamp, method for producing the material, and electrode of discharge lamp.
US6172453B1 (en) 1993-03-17 2001-01-09 Tdk Corporation Discharge lamp electrode
EP1104005A1 (en) * 1999-11-23 2001-05-30 Philips Corporate Intellectual Property GmbH Gas discharge lamp having an oxide emitter electrode

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