High-pressure discharge lamp

Details High-pressure discharge lamp High-pressure discharge lamp

H - Electricity

01

J

313/10

H01J 61/36 (2006.01)

Patent

CA 1243070

ABSTRACT: The invention relates to a high-pressure dis- charge lamp comprising a ceramic discharge vessel (3) enclosing a discharge space in which is present an elec- trode (5) which comprises an electrode beam (20), one end (22) of which is passes through the wall (23) of a cup- shaped lead-through member (24) and is connected thereto in a gas-tight manner. According to the invention, the wall (23) of the lead-through member (24) is caused to deform away from the discharge space around the electrode beam (20) and laterally engages with clamping fit around the electrode beam over a length of at most the diameter of the electrode beam. Thus, a correct positioning of the electrode beam in the lamp is guaranteed and material used for connecting the electrode beam to lead-through member is prevented from entering the discharge space.

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