an electrically insulating layer on the surface of {HEAD ~ the carbon nanotube material}, whereby the distal end of {TAIL ~ the carbon nanotubes} extend beyond the electrically insulating layer 
an electrically insulating layer on the surface of { HEAD ~ the carbon nanotube material } , whereby the distal end of { TAIL ~ the carbon nanotubes } extend beyond the electrically insulating layer
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH