Instead of the element isolation region, an offset region is formed between {TAIL ~ the N type semiconductor region} 202 and {HEAD ~ the well electrode} 101 
Instead of the element isolation region , an offset region is formed between { TAIL ~ the N type semiconductor region } 202 and { HEAD ~ the well electrode } 101
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH