Metal halide lamp
Metal halide lamps have a discharge vessel operable at a high coldest spot temperature. The discharge vessel encloses a discharge space comprising an ionizable gas filling and, in addition to Hg, also an alkali iodide of Na of Li or a combination of both. According to the invention, the filling also...
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Sprache: | eng |
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Zusammenfassung: | Metal halide lamps have a discharge vessel operable at a high coldest spot temperature. The discharge vessel encloses a discharge space comprising an ionizable gas filling and, in addition to Hg, also an alkali iodide of Na of Li or a combination of both. According to the invention, the filling also comprises TbI3 or GdI3 or a combination thereof. |
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