Because {HEAD ~ the protective sheet} is not cut by {TAIL ~ dicing}, no scraps of the protective sheet is produced, thereby preventing contamination to the chips 
is not cut by
Because { HEAD ~ the protective sheet } is not cut by { TAIL ~ dicing } , no scraps of the protective sheet is produced , thereby preventing contamination to the chips
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH