| 摘要 |
<p>The subject of the invention is to provide a fluorescent lamp with an illumination tube made of quartz glass, which has a high irradiating feature of ultraviolet ray. To solve the problem, the fluorescent lamp of the invention is an ultraviolet irradiation-type fluorescent lamp with an illumination tube made of quartz glass, which is characterized in having: a glass layer made of material with a softening point lower than that of the quartz glass, formed on the side of the illumination tube opposite to the illuminating direction and disposed on the side surface of the discharging space; a phosphor layer formed on the surface of the glass substrate at the side of the discharging space; and an ultraviolet reflector formed between the glass layer and the illumination tube.</p> |
