| 摘要 |
PURPOSE: A plasma lamp structure is provided to express a variety of colors, and to activate air flow within resonator to make cooling easy by having two or more vacuum tubes. CONSTITUTION: The plasma lamp has a waveguide, the resonator(3) which make the inputted microwave resonate and a electrodeless bulb light. The waveguide(7) is installed through the resonator(3) and guides the microwave to the resonator(3). The electrodeless bulb light filled with gas generates visible rays. The electrodeless bulb light forms two or more vacuum tubes(100,200) and makes it possible to fill them with same component of gas or them with different components of gas. Thereby it is possible to express a variety of colors.
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