By way of contrast, with the present invention, a gap between the cantilevered underside of the target and the insulator ring keeps the arc from close proximity to the insulator, allowing for higher power to be applied to {HEAD ~ the cathode} without {TAIL ~ damage} 
without
By way of contrast , with the present invention , a gap between the cantilevered underside of the target and the insulator ring keeps the arc from close proximity to the insulator , allowing for higher power to be applied to { HEAD ~ the cathode } without { TAIL ~ damage }
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