further wherein the gap contains at least one layer of superconducting material arranged in {HEAD ~ a direction} substantially perpendicular to {TAIL ~ the recording surface} of the recording medium and 
further wherein the gap contains at least one layer of superconducting material arranged in { HEAD ~ a direction } substantially perpendicular to { TAIL ~ the recording surface } of the recording medium and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH