JPS5591555A - High-pressure metal vapor discharge lamp - Google Patents

High-pressure metal vapor discharge lamp

Info

Publication number
JPS5591555A
JPS5591555A JP16608478A JP16608478A JPS5591555A JP S5591555 A JPS5591555 A JP S5591555A JP 16608478 A JP16608478 A JP 16608478A JP 16608478 A JP16608478 A JP 16608478A JP S5591555 A JPS5591555 A JP S5591555A
Authority
JP
Japan
Prior art keywords
luminous tube
tube
mercury
discharge lamp
metal vapor
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
JP16608478A
Other languages
Japanese (ja)
Inventor
Hitoshi Kodama
Isao Shoda
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 JP16608478A priority Critical patent/JPS5591555A/en
Publication of JPS5591555A publication Critical patent/JPS5591555A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE: To prevent the cracking of luminous tube and the blackening of tube wall in early period as well as raise color rendering property by confining any one or both of Cd and Zn and a specific amount of a halogen in addition to mercury and a rare gas in a luminous tube.
CONSTITUTION: In the luminous tube 3, mercury, a rare gas, any one or both of Cd and Zn, and a halogen in 0.05×10-6W0.8×10-6gr atom per 1cc of the luminous tube are confined. For example, a metal vapor discharge lamp is formed by the eggplant-shaped glass outside tube 1 with the mouth piece 2 on its one side, the luminous tube 3 fixed by the supporting frame wire 4 provided inside the outside tube 1 and confined with mercury, Ar gas, any one or both of Zn and Cd, and iodine in the foregoing amount in its inside, and the electrode 5 adehred confinedly to both ends of the luminous tube and connected to the mouth piece 2 through the supporting frame 4 and the ribbon lead 7.
COPYRIGHT: (C)1980,JPO&Japio
JP16608478A 1978-12-28 1978-12-28 High-pressure metal vapor discharge lamp Pending JPS5591555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16608478A JPS5591555A (en) 1978-12-28 1978-12-28 High-pressure metal vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16608478A JPS5591555A (en) 1978-12-28 1978-12-28 High-pressure metal vapor discharge lamp

Publications (1)

Publication Number Publication Date
JPS5591555A true JPS5591555A (en) 1980-07-11

Family

ID=15824679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16608478A Pending JPS5591555A (en) 1978-12-28 1978-12-28 High-pressure metal vapor discharge lamp

Country Status (1)

Country Link
JP (1) JPS5591555A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0757693A (en) * 1993-08-19 1995-03-03 Ushio Inc Cadmium metal vapor discharge lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0757693A (en) * 1993-08-19 1995-03-03 Ushio Inc Cadmium metal vapor discharge lamp

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