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JPS5533739A - Metal halide lamp - Google Patents

Metal halide lamp

Info

Publication number
JPS5533739A
JPS5533739A JP10687878A JP10687878A JPS5533739A JP S5533739 A JPS5533739 A JP S5533739A JP 10687878 A JP10687878 A JP 10687878A JP 10687878 A JP10687878 A JP 10687878A JP S5533739 A JPS5533739 A JP S5533739A
Authority
JP
Japan
Prior art keywords
halogenide
rare earths
shall
plus
earths metal
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
JP10687878A
Other languages
Japanese (ja)
Other versions
JPS6249698B2 (en
Inventor
Masato Saito
Keiichi Baba
Keiji Watabe
Masahiro Dobashi
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 JP10687878A priority Critical patent/JPS5533739A/en
Publication of JPS5533739A publication Critical patent/JPS5533739A/en
Publication of JPS6249698B2 publication Critical patent/JPS6249698B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE: To attempt improvement of features both for starting and deterioration by filling a luminous lamp with rare gas and mercury, while enclosing in it eutectic mixture etc. of rare earths metal halogenide and halogenide of Na, Cs, In etc. plus a little amount of rare earths metal.
CONSTITUTION: Luminous tube 1 shall be filled with the following substances, besides penning gas such as Ne-Ar etc. considered as assistant starting rare gas together with mercury. Eutectic mixture of rare earths metal halogenide plus Na, Cs, In, Tm and Th halogenide or multiple compound plus a little amount of rare earths metal shall be also enclosed. Through the above treatment, it shall be made possible to improve remarkably lamp features such as initial starting voltage, initial luminous flux and starting voltage during life time, luminous flux holding rate etc, while reducing as possible unfavorable impact of impure gas mixing into the luminous tube.
COPYRIGHT: (C)1980,JPO&Japio
JP10687878A 1978-08-31 1978-08-31 Metal halide lamp Granted JPS5533739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10687878A JPS5533739A (en) 1978-08-31 1978-08-31 Metal halide lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10687878A JPS5533739A (en) 1978-08-31 1978-08-31 Metal halide lamp

Publications (2)

Publication Number Publication Date
JPS5533739A true JPS5533739A (en) 1980-03-10
JPS6249698B2 JPS6249698B2 (en) 1987-10-21

Family

ID=14444768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10687878A Granted JPS5533739A (en) 1978-08-31 1978-08-31 Metal halide lamp

Country Status (1)

Country Link
JP (1) JPS5533739A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63235700A (en) * 1987-03-23 1988-09-30 Matsushita Electric Works Ltd Motor fan
JPS648395A (en) * 1987-06-30 1989-01-12 Tokyo Electric Co Ltd Blade body structure

Also Published As

Publication number Publication date
JPS6249698B2 (en) 1987-10-21

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