According to another embodiment of the present invention, a bipolar junction transistor includes an intrinsic base layer with {HEAD ~ a raised region} having a first portion and {TAIL ~ a second portion} 
having
According to another embodiment of the present invention , a bipolar junction transistor includes an intrinsic base layer with { HEAD ~ a raised region } having a first portion and { TAIL ~ a second portion }
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 OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL