UNIVERSAL BURN METAL HALIDE LAMP

UNIVERSAL BURN METAL HALIDE LAMP

A metal halide arc discharge lamp rated for not more than 150 watts and 100 volts and which can be operated in either a horizontal or vertical position without a significant change in color temperature or lumen output has an ellipsoidal arc chamber (10) mounted within a nitrogen-containing outer env...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MATHEWS, PAUL G, GORDON, BRIAN L, HASSINK, MARTIN N, KOROW, DAVID E
Format: Patent
Sprache:eng ; kor
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:A metal halide arc discharge lamp rated for not more than 150 watts and 100 volts and which can be operated in either a horizontal or vertical position without a significant change in color temperature or lumen output has an ellipsoidal arc chamber (10) mounted within a nitrogen-containing outer envelope (52). The arc chamber contains a pair of electrodes, mercury and sodium and scandium iodides and is coated at each end with a heat reflective coating. The chamber aspect ratio, electrode insertion length, metal halide density, coating length and wall loading are defined within narrow ranges.