A plurality of conductors is provided on the substrate in {TAIL ~ the array direction} and {HEAD ~ a direction} perpendicular to the array direction 
A plurality of conductors is provided on the substrate in { TAIL ~ the array direction } and { HEAD ~ a direction } perpendicular to the array direction
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH