HIGH-PRESSURE MERCURY-VAPOUR DISCHARGE LAMP

High-pressure mercury vapour discharge lamp having a discharge vessel of gas-tight radiation transmitting ceramic material, provided with a filling comprising a rare gas, mercury, sodium halide and thallium halide. The wall load (power consumption divided by the surface area of the outer wall of the...

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Bibliographische Detailangaben
Hauptverfasser:	JANSSEN,MARC F.R.,BE, MEULEMANS,CHARLES C.E.,NL, VAN AMSTEL,ANTONIUS C.,NL
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY
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Beschreibung
Zusammenfassung:	High-pressure mercury vapour discharge lamp having a discharge vessel of gas-tight radiation transmitting ceramic material, provided with a filling comprising a rare gas, mercury, sodium halide and thallium halide. The wall load (power consumption divided by the surface area of the outer wall of the discharge vessel) has a value of at least 25 W/cm . The ratio between the effective internal diameter ID of the discharge vessel and the spacing EA between two electrodes has a value in the range of 0.4