| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a filament lamp, in which a plurality of filaments are sequentially arranged in an axial direction of an arc tube, without fear of each filament moving its position indiscriminately in the arc tube. Ž<P>SOLUTION: At outer peripheries of a plurality ring-shaped anchors holding respective filaments, closed spaces are formed between the ring-shaped anchors and an internal wall of the arc tube, and the respective ring-shaped anchors are installed in deviated positions in a circumference direction, and further, an individual insulating tube is arranged inside each closed space. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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