JPS534384A - High pressure sodium lamp - Google Patents

High pressure sodium lamp

Info

Publication number
JPS534384A
JPS534384A JP7782576A JP7782576A JPS534384A JP S534384 A JPS534384 A JP S534384A JP 7782576 A JP7782576 A JP 7782576A JP 7782576 A JP7782576 A JP 7782576A JP S534384 A JPS534384 A JP S534384A
Authority
JP
Japan
Prior art keywords
high pressure
pressure sodium
sodium lamp
closly
wetness
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
JP7782576A
Other languages
Japanese (ja)
Inventor
Yozo Koyama
Etsuo Urataki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7782576A priority Critical patent/JPS534384A/en
Publication of JPS534384A publication Critical patent/JPS534384A/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
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors

Landscapes

  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

PURPOSE:To provide a long life lamp characterized in that compositions of a sealing substance are specified, and in that wetness with niobium and fluidity at a high temperature are improved, so that a closly sealed cross section can be obtained.
JP7782576A 1976-07-02 1976-07-02 High pressure sodium lamp Pending JPS534384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7782576A JPS534384A (en) 1976-07-02 1976-07-02 High pressure sodium lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7782576A JPS534384A (en) 1976-07-02 1976-07-02 High pressure sodium lamp

Publications (1)

Publication Number Publication Date
JPS534384A true JPS534384A (en) 1978-01-14

Family

ID=13644806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7782576A Pending JPS534384A (en) 1976-07-02 1976-07-02 High pressure sodium lamp

Country Status (1)

Country Link
JP (1) JPS534384A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0341749A2 (en) * 1988-05-13 1989-11-15 Gte Products Corporation Improved arc tube for high pressure metal vapor discharge lamp, lamp including same, and method
US5188554A (en) * 1988-05-13 1993-02-23 Gte Products Corporation Method for isolating arc lamp lead-in from frit seal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0341749A2 (en) * 1988-05-13 1989-11-15 Gte Products Corporation Improved arc tube for high pressure metal vapor discharge lamp, lamp including same, and method
US5188554A (en) * 1988-05-13 1993-02-23 Gte Products Corporation Method for isolating arc lamp lead-in from frit seal

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