| 摘要 |
PROBLEM TO BE SOLVED: To provide a lamp that can surely absorb thermal expansion of a bar-shaped heating body. SOLUTION: In a lamp in which a pair of lead rods 23 that extend from sealing portions 11 at both ends of the sealed body into its interior are electrically connected to the both ends of a rod-shaped heating body 30 disposed along the tube axis of a tubular sealed body 10, electroconductive power feeding pins 24 are connected to ends of the heating body and together, cylindrical power feeding parts 23a are formed at the tip of the inner lead rods to fit the power feeding pins slidably at will.
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