jamesr wrote: The alloys used for spark plugs and chamber walls could still be useful though.
Only for the spikes at the cathode’s end with extreme wear (I don’t know much about the DPF, but I was thinking about spikes too). The inner layers of the chamber itself needs to be beryllium (as I understand the the patent application), having a low Z (number of protons) for the photovoltaic x-ray conversion system.
