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