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