Crossatron
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In
Paschen breakdown voltage, axial molybdenum
cathode corrugations to provide a higher current capability, and a Paschen shield that is formed from molybdenum. The terminal curvature of the Paschen shield and of the adjacent portion of the anode are selected to establish a voltage stress at the curved Paschen shield surface within the approximate range of 90–150 kV/cm in response to a 100 kV differential. The cold cathode gives the crossatron an advantage of achievable lifetime and reliability in comparison to a hydrogen-filled thyratron.
It features fast start-up speeds and operates well when enduring high temperatures, high radiation,
pulse forming networks, repetitive opening of inductive-energy-storage circuits, modulation of square wave
pulses in hard-tube modulators, and fault protection.