JPS5437389A - Discharge lamp - Google Patents

Discharge lamp

Info

Publication number
JPS5437389A
JPS5437389A JP10256477A JP10256477A JPS5437389A JP S5437389 A JPS5437389 A JP S5437389A JP 10256477 A JP10256477 A JP 10256477A JP 10256477 A JP10256477 A JP 10256477A JP S5437389 A JPS5437389 A JP S5437389A
Authority
JP
Japan
Prior art keywords
discharge lamp
quartz glass
fifetime
concentration
limiting
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
JP10256477A
Other languages
Japanese (ja)
Inventor
Takahiro Sugimoto
Tadao Kano
Akihiro Yonezawa
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 JP10256477A priority Critical patent/JPS5437389A/en
Publication of JPS5437389A publication Critical patent/JPS5437389A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the fifetime fo a discharge lamp which has a luminescence tube made of quartz glass and utilizes radiation of ultraviolet rays, by limiting the concentration of metal oxides of the quartz glass under certain conditions.
COPYRIGHT: (C)1979,JPO&Japio
JP10256477A 1977-08-29 1977-08-29 Discharge lamp Pending JPS5437389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10256477A JPS5437389A (en) 1977-08-29 1977-08-29 Discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10256477A JPS5437389A (en) 1977-08-29 1977-08-29 Discharge lamp

Publications (1)

Publication Number Publication Date
JPS5437389A true JPS5437389A (en) 1979-03-19

Family

ID=14330712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10256477A Pending JPS5437389A (en) 1977-08-29 1977-08-29 Discharge lamp

Country Status (1)

Country Link
JP (1) JPS5437389A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09512384A (en) * 1995-02-21 1997-12-09 ゼネラル・エレクトリック・カンパニイ Sodium halide discharge lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09512384A (en) * 1995-02-21 1997-12-09 ゼネラル・エレクトリック・カンパニイ Sodium halide discharge lamp

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