More particularly, the present invention relates to {HEAD ~ apparatus} and method for verifying {TAIL ~ the coplanarity} of a ball grid array on a semiconductor device 
for verifying
More particularly , the present invention relates to { HEAD ~ apparatus } and method for verifying { TAIL ~ the coplanarity } of a ball grid array on a semiconductor device
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH