| 摘要 |
A vehicle discharge lamp is provided with an outer tube, an arc tube disposed within the outer tube, and a pair of electrodes disposed within the arc tube. The arc tube includes a light emitting portion, and a pair of pinch seal portions. Molybdenum foils are sealed in the respective pinch seal portions. Each of the electrodes includes a sealed portion sealed within the pinch seal portion, a projecting portion projecting into the light emitting portion, and a welding portion welded to the molybdenum foil. A concavo-convex part is formed on the sealed portion.
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