A printed circuit is formed on {HEAD ~ the backside} of {TAIL ~ the substrate} to connect the conductors 
A printed circuit is formed on { HEAD ~ the backside } of { TAIL ~ the substrate } to connect the conductors
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH