{HEAD ~ The function} of {TAIL ~ the P type} well 57 b is to reduce the impact of the N type buried layer 58 a on the body region 57 
of
{ HEAD ~ The function } of { TAIL ~ the P type } well 57 b is to reduce the impact of the N type buried layer 58 a on the body region 57
HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH