a predetermined number of electrical contacts disposed on said second surface of said substrate, wherein said {TAIL ~ electrical contacts} are {HEAD ~ conductive pads} that are coplanar with said ground layer 
a predetermined number of electrical contacts disposed on said second surface of said substrate , wherein said { TAIL ~ electrical contacts } are { HEAD ~ conductive pads } that are coplanar with said ground layer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH