applying a negative stylus voltage at {HEAD ~ a curved tip} of {TAIL ~ a stylus}, wherein the curved tip is generally hemispherical in shape and the lowermost point of the tip is curved 
applying a negative stylus voltage at { HEAD ~ a curved tip } of { TAIL ~ a stylus } , wherein the curved tip is generally hemispherical in shape and the lowermost point of the tip is curved
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH