H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 61/12 (2006.01)
Patent
CA 2201591
A metal halide discharge lamp for photo-optical purposes contains an ionisable filling consisting of mercury, at least one rare gas, at least one halogen, aluminium (Al) and Indium (In) and also gallium (Ga). The Ga additive, typically in the range between 0.02 and 1 mg/cm3, reduces the striking voltage while maintaing an Ra > 85 at colour temperatures typically between 5000 and 11000 K.
Lampe à décharge à halogénure métallique à usage photo-optique, à remplissage ionisable comprenant du mercure, au moins un gaz rare, au moins un halogène, de l'aluminium (Al) et de l'indium (In) et, en plus, du gallium (Ga). Par addition de gallium, spécifiquement à une teneur comprise entre 0,02 mg/cm?3¿ et 1 mg/cm?3¿, on obtient une réduction de la tension d'amorçage, tout en conservant un Ra > 85 à des températures de couleur comprises, plus spécifiquement, entre 5000 K et 11000 K.
Fetherstonhaugh & Co.
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh
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