摘要 |
A high-power ceramic discharge metal halide (CDM) lamp with a shroud-type containment assembly is disclosed. The lamp includes: a first shroud (138) with a first wall which forms a cylinder and which defines a first cavity; a second shroud (136) situated within the first cavity and which includes a second wall which forms a cylinder and which defines a second cavity situated within the first cavity of the first shroud; a first coil portion (140, 142) is situated about at least the one or the first and second shrouds (respectively); a ceramic arc tube (102) is situated in the second cavity and includes first and second openings, first and second leads (104, 106) with electrodes, and a lamp cavity (103) for containing a fill. |