The method 1, which comprises the steps of cutting the notches extending in the array direction and a direction perpendicular to the array direction and providing a plurality of {TAIL ~ transducer elements} extending in {HEAD ~ the array direction} 
The method 1 , which comprises the steps of cutting the notches extending in the array direction and a direction perpendicular to the array direction and providing a plurality of { TAIL ~ transducer elements } extending in { HEAD ~ the array direction }
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 OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD