Upper shields 218 are formed above the gaps via conventional processes, such as {TAIL ~ photolithographic deposition} or {HEAD ~ milling} 
Upper shields 218 are formed above the gaps via conventional processes , such as { TAIL ~ photolithographic deposition } or { HEAD ~ milling }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD