摘要 |
<p>A gas discharge tube (1) having a layer of coating (21) comprising a glass material or a ceramic material on either or both of an inner surface (22A) and an outer surface (22B) of a side tube body (22), so that the side tube body (22) can be formed of various materials irrespective of the nature of a gas sealed in the interior of the gas discharge tube, this enabling the diversification of the worked shape of the gas discharge tube and the miniaturization of the same tube to be compatible with each other, and the mass production thereof to be carried out freely.</p> |