| 摘要 |
<p>The invention describes a method of manufacturing an electrode (1) for a gas-discharge lamp, which method comprises forming an electrode shaft (10); forming a coil (2) over a winding length (L W); arranging the coil (2) on the electrode shaft (10); and melting material of the coil (2) such that, when the melted coil material has re-solidified, the solidified material (30,31) comprises a one-piece shell (3), which one-piece shell (3) comprises a fused portion (30) over a fraction (L T) of the winding length (L W) and a mantle portion (31) over a remainder (L B) of the winding length (L W). The invention further describes an electrode (1) for a gas-discharge lamp, which electrode (1) comprises an electrode shaft (10); a coil (2) arranged on the electrode shaft (10) over a winding length (L W); and a one-piece shell (2) comprising re-solidified material of the coil (2), which one-piece shell (3) comprises a fused portion (30) over a fraction (L T) of the winding length (L W) and a mantle portion (31) over a remainder (L B) of the winding length (L W). The invention also describes a gas-discharge lamp (6) comprising a burner (4) enclosing a discharge vessel (40), a first electrode (1) and a second electrode (1), wherein the electrodes (1) are arranged to protrude into the dis-charge vessel (40) from opposite sides of the discharge vessel (40), wherein at least one of the electrodes (1) comprises an electrode (1) according to the invention.</p> |
