The semiconductor material comprising substrate 10 may include {TAIL ~ an optional epitaxial layer} on a bulk substrate, such as an epitaxial layer comprised of {HEAD ~ 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 { TAIL ~ an optional epitaxial layer } on a bulk substrate , such as an epitaxial layer comprised of { HEAD ~ 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH