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