forming a second layer of dielectric material overlying the first layer of {HEAD ~ dielectric material} and the plurality of {TAIL ~ carbon nanotubes} 
forming a second layer of dielectric material overlying the first layer of { HEAD ~ dielectric material } and the plurality of { TAIL ~ carbon nanotubes }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL