| 摘要 |
PROBLEM TO BE SOLVED: To provide a long-service life tungsten anode electrode for a short-arc discharge lamp turned on with DC such as a xenon lamp or an ultra-high pressure mercury lamp, hardly be recrystallized even if it is exposed to high temperature during a discharge, and having a minute recrystallized structure. SOLUTION: This tungsten anode for the discharge lamp contains, in a total amount of 0.01-0.3 wt.%, one or more kinds among lanthanum oxide, yttrium oxide and cerium oxide, and the balance substantially tungsten.
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