a plurality of conductive connector elements disposed in selected ones of the openings in the insulating board to make electrical contact between the IC chip contact areas and {HEAD ~ the circuit board} face {TAIL ~ contact areas}; and 
face
a plurality of conductive connector elements disposed in selected ones of the openings in the insulating board to make electrical contact between the IC chip contact areas and { HEAD ~ the circuit board } face { TAIL ~ contact areas } ; and
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH