LAMP AND METHOD OF MANUFACTURING A LAMP

摘要

A lamp (1) includes an envelope (2) of a vitreous composition, having a pinched part (6) at least one end to form a seal isolating an interior of the envelope (10) from the environment of the envelope (2), and an arrangement for conducting electrical current to the interior of the envelope (2), having a section (7a, 8a) embedded in one of the pinched parts of the envelope (2) and a section (7b, 8b) external to the envelope (2). At least part of embedded section (7a, 8a) of the arrangement for conducting electrical current is at least partly surrounded by a composition including at least one of phosphorus in a non-volatile form and an acid thereof.