METAL-HALOGEN LAMP Russian patent published in 1995 - IPC

FIELD: electrical engineering. SUBSTANCE: quarts burner with electrodes set sealed is filled with inert gas and additives to provide burner with halogenides of indium and thallium. Halogenides of cesium are injected into burner of lamp. Components are taken in the following amounts, μmole/cm³ : halogenides of indium from 0.1 to 4.0; halogenides of thallium from 0.08 to 2.0; halogenides of cesium from 0.5-8.0. Pressure of inert gas lies within 26.5-200.0 kPa. EFFECT: enhanced efficiency. 1 dwg, 1 tbl