NASA NTRS · 19660000356
Suppressor plate eliminates undesired arcing during electron beam welding
Abstract
Suppressor grid eliminates undesired arcing during electron beam welding in one of two ways. A grid at ground potential collects secondary emission of ions and electrons produced by the beam as it strikes the workpiece, or a negatively energized grid repels the plasma arc back to the workpiece. This eliminates ground screens used to cover view ports.
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Hanchey, K. K., Kubik, J., Mahon, J. C.. 1966-08-01. Suppressor plate eliminates undesired arcing during electron beam welding. https://ntrs.nasa.gov/citations/19660000356
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