A first region includes {TAIL ~ first metallic layers} and {HEAD ~ vias} provided within the first laminate 
A first region includes { TAIL ~ first metallic layers } and { HEAD ~ vias } provided within the first laminate
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH