Halogen lamp

Date:Sep 28, 2019

Halogen lamp (halogen lamp) is a kind of gas-filled incandescent lamp filled with halogen elements or halides. In the ordinary incandescent lamp, the high temperature of the filament causes the evaporation of tungsten, and the evaporated tungsten precipitates on the glass shell, resulting in the phenomenon that the bulb glass shell becomes black. In 1959, halogen tungsten lamp was invented, using the principle of halogen tungsten cycle to eliminate this black phenomenon.

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