SOCKETED HIGH PRESSURE GAS DISCHARGE LAMP

摘要

A socketed high pressure gas discharge lamp having a lamp vessel comprising a space sealed by at least one seal. The discharge lamp further comprising a socket in which the lamp vessel is mounted with its seal and fixed with cement. A lamp axis extending through the socket and through the space of the lamp vessel. The socket is provided with at least one opening extending axially through the socket from its base side to its front side. The opening has an annular wall which is either formed only by the socket or by a combination of both the socket and the seal of the lamp vessel. Preferably, the opening is located on either side of the seal.