| 摘要 |
The present invention provides a fluorescent lamp, comprising: a glass bulb; mercury that is enclosed within the glass bulb, an amount of the mercury being from 2.2 mug/cm<SUP>3 </SUP>to 8.8 mug/cm<SUP>3</SUP>; a rare gas that is enclosed within the glass bulb; an electrode that is attached to the glass bulb; a protective layer that is formed on an inside surface of the glass bulb, and includes metal oxide particles and at least 50 wt % of silica, a thickness of the protective layer being from 0.5 mum to 5.0 mum; and a phosphor layer that is formed over the protective layer.
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