The sensor may also include a separator structure positioned between the first spin valve and the second spin valve such that {HEAD ~ the separator structure} may be in contact with the first free layer structure and {TAIL ~ the second free layer structure} 
The sensor may also include a separator structure positioned between the first spin valve and the second spin valve such that { HEAD ~ the separator structure } may be in contact with the first free layer structure and { TAIL ~ the second free layer structure }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL