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