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