FIG 8A illustrates {HEAD ~ a front view} of {TAIL ~ the transducer structure}, while FIG 8B illustrates a cross sectional side view 
FIG 8A illustrates { HEAD ~ a front view } of { TAIL ~ the transducer structure } , while FIG 8B illustrates a cross sectional side view
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH