Patent ID: 6936967
Filing Date: 2005-08-30
Classification: H01J

Abstract:
1. A fluorescent lamp comprising a glass discharge vessel in which a gas is present, which discharge vessel is provided with at least one tubular end portion having a longitudinal axis, which end portion is provided with a glass stem, while an exhaust tube extends axially in outward direction from the stem for the supply and/or discharge of gases during the manufacture of the lamp, and an electrode extends axially in inward direction through the stem for maintaining a discharge in the discharge vessel during operation, the innermost end of the electrode being surrounded in radial direction by a shield for intercepting material sputtered off from the electrode, which shield is fastened on an elongate support which extends in inward direction from the stem, characterized in that said support extends entirely through the stem and exits the stem in outward direction and then extends beyond the stem in outward direction to enter inside the exhaust tube.