method for making an electrical wolfraamhalogeen bulb, bulb and electric wolfraamhalogeen manufactured according to the method.

摘要

The present invention relates to a technique for introducing iodine into a tungsten halogen lamp in the form of a compound which is an involatile solid at room temperature. In accordance with this invention the iodine is introduced in the form of a complex metal or complex ammonium iodide which is dissociated or decomposed by heat. These complexes contain iodine in coordinated complex anions.