H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/132, 313/161
H01J 61/30 (2006.01) H01J 61/82 (2006.01)
Patent
CA 1263138
ABSTRACT: "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 discharge vessel) has a value of at least 25 W/cm2. The ratio between the effecti- ve internal diameter ID of the discharge vessel and the spacing EA between two electrodes has a value in the range of 0.4 ? ID/EA ? 0.9. Fig.
518015
Janssen Marc F.r.
Meulemans Charles C.e.
Van Amstel Antonius C.
Fetherstonhaugh & Co.
Janssen Marc F.r.
Meulemans Charles C.e.
N.v. Philips Gloeilampenfabrieken
Van Amstel Antonius C.
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