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