The field linearization pattern further includes {HEAD ~ an inner row} and an outer row of {TAIL ~ discrete conductive segments} 
The field linearization pattern further includes { HEAD ~ an inner row } and an outer row of { TAIL ~ discrete conductive segments }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL