Abstract: Gas puff Z-pinches have been operated successfully with peak currents of 100 kA to more than 10 MA. Very little effort has been developed to study long life rep-rated systems. The scaling laws of the gas puff Z-pinch show that up to a few MA (peak pinch current), the neon k-line yield is proportional to I$+4$/. In these machines the peak current is proportional to the square root of the energy stored in the system. As a result the x-ray yield is proportional to the square of the stored energy. A 1 pulse/sec with about one Megampere current can be realized with a capacitor-driven gas puff Z-pinch storing 20 to 40 kJ. Such a system will deliver about one kW Ne k line radiation (about 10 A) and a few hundred Watts Kr 1 line radiation. At this power level this machine becomes very attractive for x-ray applications such as x-ray lithography, x-ray microscopy, and spectroscopy. Reliability, components life time, debris, and state of the art are discussed.!2
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