{TAIL ~ a layer} of a second conductive metallization on either side of the pair of layers of {HEAD ~ the electrodisplacive material} 
{ TAIL ~ a layer } of a second conductive metallization on either side of the pair of layers of { HEAD ~ the electrodisplacive material }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD