| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly-reliable high-pressure discharge lamp capable of reducing cost of a manufacturing device and improving work efficiency in a manufacturing process to achieve reduction in cost of manufacture, and of preventing deterioration in air-tightness and maintaining the supporting and fixing firmly even when vibration or shock is added in a supported and fixed state.SOLUTION: A discharge electrode 30 is formed in a curved shape or a ripple shape. The discharge electrode 30 inserted into a discharge pipe 10 having end parts to which cylindrical metal pipes 20 are fused is pressure-welded to an inner wall of the discharge pipe 10. Thereby, in a manufacturing process, the discharge electrode 30 inserted into the discharge pipe 10 is in a state of being temporally fixed in the discharge pipe 10, and at commercialization, the metal pipe 20 serves as a supporting and fixing part, and simultaneously, serves as a power reception electrode for power supply from an external power source. |
