In another aspect, {HEAD ~ the present invention} provides a method for enhancing 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 {TAIL ~ capacitive coupling} 
In another aspect , { HEAD ~ the present invention } provides a method for enhancing 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 { TAIL ~ capacitive coupling }
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