DISCHARGE LAMP

PROBLEM TO BE SOLVED: To provide a discharge lamp which is suppressed in lighting failure due to breakage of a lamp. SOLUTION: The discharge lamp has a cylindrical metal 3 and a solder layer 4 formed as a covering metal at the end part of a discharge container 1, and the solder layer 4 is formed so...

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Bibliographic Details
Main Authors HINO HIROYOSHI, KUMA KATSUNORI
Format Patent
LanguageEnglish
Published 02.07.2009
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Summary:PROBLEM TO BE SOLVED: To provide a discharge lamp which is suppressed in lighting failure due to breakage of a lamp. SOLUTION: The discharge lamp has a cylindrical metal 3 and a solder layer 4 formed as a covering metal at the end part of a discharge container 1, and the solder layer 4 is formed so as to cover the cylindrical metal 3, and the discharge container 1 portion on which the cylindrical metal 3 is formed has a compression distortion β in circumference direction and a compression distortion γ in tube axis direction remaining. These compression distortions β and γ can be formed, for example, by installing the cylindrical metal 3 having a coefficient of thermal expansion larger than the coefficient of thermal expansion of the discharge container 1 on the outer circumference of the discharge container 1. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070323848