In another aspect, the present invention provides {HEAD ~ a method} for enhancing {TAIL ~ an ion beam}, the ion beam produced by confining a plasma within a plasma volume, inductively ionizing the plasma, and forming a stream of ions from within the plasma volume by capacitive coupling 
In another aspect , the present invention provides { HEAD ~ a method } for enhancing { TAIL ~ an ion beam } , the ion beam produced by confining a plasma within a plasma volume , inductively ionizing the plasma , and forming a stream of ions from within the plasma volume by capacitive coupling
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