Next, as shown in FIG 10, {TAIL ~ a layer} 142 containing nitride is formed over {HEAD ~ the entire surface} 
Next , as shown in FIG 10 , { TAIL ~ a layer } 142 containing nitride is formed over { HEAD ~ the entire surface }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD