| 摘要 |
PROBLEM TO BE SOLVED: To provide a flash lamp with improved light output stability. SOLUTION: The flash lamp houses a negative electrode 10 and a positive electrode 20 facing each other, a trigger electrode 30 arranged so as to stick out the its tip end from a space between the negative electrode 10 and the positive electrode 20, and a sparker electrode 60 for making the flash lamp generate stable discharge each time, in a sealed container 80. The negative electrode 10 and the positive electrode 20 are arranged so that respective negative electrode tip end 12 and positive electrode tip end 22 face each other. The negative electrode 10 has a negative electrode discharging face 14, and the positive electrode 20 has a positive electrode discharging face 24. A cylinder-shaped space 50 is demarcated by the negative electrode discharging face 14, the positive electrode discharging face 24, and a face connecting the outer peripheral lines of the negative electrode discharging face 14 and the positive electrode discharging face 24. The trigger electrode 30 is made to penetrate through the space 50, and a tip end of the trigger electrode 32 is made to protrude out from the space 50. COPYRIGHT: (C)2006,JPO&NCIPI
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