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