The chip carrier has a rectangular surface with {HEAD ~ a plurality} of conductive pads at {TAIL ~ its periphery} 
The chip carrier has a rectangular surface with { HEAD ~ a plurality } of conductive pads at { TAIL ~ its periphery }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL