| 摘要 |
<p>TUNGSTEN-HALOGEN LAMP WITH METAL ADDITIVE A tungsten-halogen lamp with a light transmitting, hermetically sealed, glass envelope having a fill gas including a halogen and a tungsten filament contained therewithin. Also contained within the envelope is an amount of copper effective to substantially eliminate sagging of the filament, regardless of the physical orientation of the lamp during use.</p> |
