In {HEAD ~ prior art methods}, {TAIL ~ such resistances} may ruin the favorable influence of the high conductivity of copper or silver 
In { HEAD ~ prior art methods } , { TAIL ~ such resistances } may ruin the favorable influence of the high conductivity of copper or silver
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH