The semiconductor material comprising substrate 10 may include an optional epitaxial layer on a bulk substrate, such as {HEAD ~ an epitaxial layer} comprised of {TAIL ~ lightly doped n type semiconductor material} that defines a top surface 25 and that covers an oppositely doped bulk substrate 
The semiconductor material comprising substrate 10 may include an optional epitaxial layer on a bulk substrate , such as { HEAD ~ an epitaxial layer } comprised of { TAIL ~ lightly doped n type semiconductor material } that defines a top surface 25 and that covers an oppositely doped bulk substrate
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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH