{HEAD ~ an insulating board} having a plurality of openings therethrough, with at least some of the openings at positions corresponding to {TAIL ~ the IC chip contact areas} 
{ HEAD ~ an insulating board } having a plurality of openings therethrough , with at least some of the openings at positions corresponding to { TAIL ~ the IC chip contact areas }
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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL