{HEAD ~ This invention} relates to scanning tunneling microscope tips, and {TAIL ~ methods} for making and using such tips 
relates to
{ HEAD ~ This invention } relates to scanning tunneling microscope tips , and { TAIL ~ methods } for making and using such tips
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH