Metal halide lamp and ultraviolet ray irradiation device ensures required illuminance characteristics while suppressing deterioration

The invention can ensure illuminance characteristics while suppressing deterioration. In the implementation, a metal halide lamp comprises a light emitting tube and an electrode. In the light emitting tube, halogen, iron and thallium are enclosed. The electrode is disposed inside the light emitting...

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Hauptverfasser: HORIUCHI, MASAKAZU, MINEYAMA, TOMOYUKI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention can ensure illuminance characteristics while suppressing deterioration. In the implementation, a metal halide lamp comprises a light emitting tube and an electrode. In the light emitting tube, halogen, iron and thallium are enclosed. The electrode is disposed inside the light emitting tube. The enclosed quantity for thallium relative to iron is above 0.2 and below 0.3 in terms of mass ratio.