an array of transducer elements arranged in {TAIL ~ rows} and {HEAD ~ columns} along a first plane for transmitting first signals and receiving reflected signals for image processing; and a plurality of circuit structures each having 
an array of transducer elements arranged in { TAIL ~ rows } and { HEAD ~ columns } along a first plane for transmitting first signals and receiving reflected signals for image processing ; and a plurality of circuit structures each having
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH