In {TAIL ~ an alternate embodiment}, P type conductivity determining ions, such as boron, can be implanted into {HEAD ~ the exposed regions} of the semiconductor layer 
In { TAIL ~ an alternate embodiment } , P type conductivity determining ions , such as boron , can be implanted into { HEAD ~ the exposed regions } of the semiconductor layer
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH