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１ 前言 小功率的陶瓷金属卤化物灯（ＣｅｒａｍｉｃＤｉｓｃｈａｒｇｅ Ｍｅｔａｌ Ｈａｌｉｄｅ Ｌａｍｐ简称ＣＤＭ）在近十几年来得到长足的进步，它与传统石英电弧管技术相比，由于采用陶瓷电弧管技术，使它在设计上有更大的自由空间，可以提高电弧管的工作温度，从而使灯
1 Introduction Low-power ceramic metal halide lamp (CeramicDischarge Metal Halide Lamp called CDM) in the past decade has made great strides, it is compared with the traditional quartz arc tube technology, due to the use of ceramic arc tube technology, it is designed There is more free space to raise the operating temperature of the arc tube and thus the lamp