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