| 摘要 |
In various embodiments, a high pressure discharge lamp may comprise a ceramic elongate discharge vessel with an axis and with a central middle part and two tapering ends, wherein the ends are closed by seals containing electrode systems, and wherein a filling comprising metal halides is situated in the discharge vessel, in which the lamp further comprises a fin-like structure including at least three fins located on at least one tapering end, the structure comprising an attachment having a leading root directly on the discharge vessel and having a trailing root from which an undercut extends in the direction of the seal, wherein the axial length of the attachment is chosen and wherein the axial length of the undercut is at least 30% of the length of the attachment. |
