a second conductive layer connected to {TAIL ~ the first conductive layer} at a region overlying {HEAD ~ the first semiconductor layer} 
a second conductive layer connected to { TAIL ~ the first conductive layer } at a region overlying { HEAD ~ the first semiconductor layer }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD