Alternatively, the increased concentration region located in {HEAD ~ the active region} between {TAIL ~ spaced bases} is initially driven in at a temperature of about 1175° C. for about 12 hours, rather than the customary 8 hours, and the channel drive in time is reduced from 120 minutes to 60 minutes 
between
Alternatively , the increased concentration region located in { HEAD ~ the active region } between { TAIL ~ spaced bases } is initially driven in at a temperature of about 1175 ° C. for about 12 hours , rather than the customary 8 hours , and the channel drive in time is reduced from 120 minutes to 60 minutes
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH