FILAMENT FOR ELECTRIC LAMPS, ELECTRIC LAMP, AND PRODUCTION METHOD FOR A FILAMENT

摘要

The invention relates to a filament (22) for electric lamps, which is designed as a coil, wherein the coil has windings (241) having the shape of a polygonal line. The invention further relates to a production method for such a filament (22) and to electric lamps, preferably halogen lamps, having at least one such filament (22).