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