{TAIL ~ This low resistivity} is achieved by doping a silicon melt with {HEAD ~ a phosphorus concentrations} above 1×1018 
{ TAIL ~ This low resistivity } is achieved by doping a silicon melt with { HEAD ~ a phosphorus concentrations } above 1×1018
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH