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