Branson International Plasma Corporation

Joseph M Welty

Power supply and method in which the primary current to a transformer is switched on and off to maintain the output of the supply at a desired level. When the energizing current is off, an additional current is applied to the transformer to maintain the core at a level of magnetization such that the full hysteresis characteristic of the transformer is utilized during the next half cycle of operation.

Power supply and method utilizing applied current for increased

Gas plasma reactor for treatment of printed circuit boards and other relatively large, generally planar objects. The reactor includes a rack assembly having a plurality of spaced apart bars for holding the objects and a pair of generally planar electrodes positioned outside the rack assembly. The rack assembly is maintained at ground potential, and the electrodes are energized with RF energy to form an ionizing field between the electrodes and the rack bars.

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Hayward, CA, United States of America

Joseph M Welty