Abstract
A new version of pulsed ion source based on plasma thruster technology has been developed and tested. The ion source design uses a circular anode layer geometry in which the ion beam is extracted radially from the full circumference. The source has been tested for operation in argon, nitrogen, and air at a gas flow rate of up to 20 SCCM with discharge current and voltage measurements in low- and high-current modes. The source, having a simple design and open acceleration gap geometry for observation and photography, is suitable for the treatment of the inner surfaces of pipes and tubes.
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