{HEAD ~ The first spin valve} may include {TAIL ~ a first free layer structure}; a first pinning structure disposed over the first free layer structure; and a first anti ferromagnetic layer disposed over the first pinning structure 
include
{ HEAD ~ The first spin valve } may include { TAIL ~ a first free layer structure } ; a first pinning structure disposed over the first free layer structure ; and a first anti ferromagnetic layer disposed over the first pinning structure
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH