Vacuum fluorescent tube for facsimile light source
专利汇可以提供Vacuum fluorescent tube for facsimile light source专利检索，专利查询，专利分析的服务。并且PURPOSE:To improve the heat dissipation of an anode conductor and to lower the temperature of a fluorescent substance layer to improve the light emitting efficiency, by extending the end part of a metallic plate provided into a vacuum container to the outside of said container to use this extended part of the metallic plate as a cooling part contacting with out-side air. CONSTITUTION:The voltage is applied to a cathode 18 as well as an anode conductor 13 piercing a slit 13a from an external terminal. Thus the electrons are radiated from the cathode and hit a fluorescent substance layer 16 formed on the conductor 13. Thus the layer 16 emits light. This light is irradiated on the original surface 14a, and the reflected light passes through the slit 13a to undergo the photoelectric conversion through a sensor 22. In this case, the layer 16 generates heat and this heat is transmitted to the conductor 13 made of a metallic plate having high heat conductivity. The heat transmitted to the conductor 13 is dissipated by cooling with wind, etc. at a cooling part 13b extended out of a vacuum container. Thus the temperature of the layer 16 is lowered.，下面是Vacuum fluorescent tube for facsimile light source专利的具体信息内容。
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