{TAIL ~ A protective sheet} is fixed to a jig, and regions of {HEAD ~ the protective sheet} corresponding to regions where dicing cut is to be performed are removed to form grooves 
{ TAIL ~ A protective sheet } is fixed to a jig , and regions of { HEAD ~ the protective sheet } corresponding to regions where dicing cut is to be performed are removed to form grooves
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH