{HEAD ~ A third upper gap layer} 730 is formed above {TAIL ~ all the reader sites} until the desired upper gap thickness is achieved at the sites of the data readers 
is formed above
{ HEAD ~ A third upper gap layer } 730 is formed above { TAIL ~ all the reader sites } until the desired upper gap thickness is achieved at the sites of the data readers
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH