{TAIL ~ the actual position} of the mounted semiconductor chip which was detected and calculated by the second camera after {HEAD ~ mounting} deviates from the setpoint position by more than a predetermined amount 
{ TAIL ~ the actual position } of the mounted semiconductor chip which was detected and calculated by the second camera after { HEAD ~ mounting } deviates from the setpoint position by more than a predetermined amount
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH