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