| 摘要 |
<p>An electric discharge tube capable of withstanding a large electricity inputted therein, being reduced in size, and capable of realizing a small photo stroboscopic device and a photo camera, comprising a glass bulb sealed with rare gas and having a wall thickness of 0.2 to 0.6 mm, a pair of main electrodes installed at both inner ends of the glass bulb and a trigger electrode formed on the outer surface of the glass bulb, and a silicon dioxide film formed on the inner surface of the glass bulb with a thickness of 0.05 to 0.11 νm, wherein an electric power of 0.90 Ws/mm3 or less on the glass bulb inside volume basis is inputted into a clearance between the main electrodes.</p> |
