Metal halide lamp

阅读:486发布:2021-12-27

专利汇可以提供Metal halide lamp专利检索,专利查询,专利分析的服务。并且PURPOSE: To lengthen the life of this lamp, by preventing the rise of lamp voltage by enclosing metal thorium in a luminous tube bulb.
CONSTITUTION: A luminous tube is produced in such a manner that the both ends of a bulb 1 in quartz glass are pressurization-crush sealed, a thorium oxide emitter is applied to the internal both ends and main electrodes 2, 2, which discharge is facilitated, are arranged. A fixed quantity of mercury, rare gases for starting and halides, such as, NaI, TlI, InI, etc. are enclosed in the luminous tube bulb 1 while metal tholium is enclosed. Consequently, metal tholium prevents the transmission of sodium through the quartz glass during lighting, and obviates the formation of free halogen in the bulb 1, and the rise of lamp voltage is checked, thus lengthening the life of this lamp.
COPYRIGHT: (C)1980,JPO&Japio,下面是Metal halide lamp专利的具体信息内容。

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