The second face of the secondary substrate includes a second pattern of {HEAD ~ conductive lands} corresponding to a plurality of conductive lands formed on {TAIL ~ the primary substrate} 
The second face of the secondary substrate includes a second pattern of { HEAD ~ conductive lands } corresponding to a plurality of conductive lands formed on { TAIL ~ the primary substrate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL