A cathodic arc cathode is provided with an insulating ring in close proximity to {HEAD ~ the underside} of {TAIL ~ the cantilevered edge} of the target, and with no other conducting surface exposed in the coating system 
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A cathodic arc cathode is provided with an insulating ring in close proximity to { HEAD ~ the underside } of { TAIL ~ the cantilevered edge } of the target , and with no other conducting surface exposed in the coating system
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH