The present invention anticipates that the CPP cell and MTJ cell may be independently optimized so as to achieve {HEAD ~ a low write current} in {TAIL ~ the CPP cell} and a high dR/R in the MTJ 
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The present invention anticipates that the CPP cell and MTJ cell may be independently optimized so as to achieve { HEAD ~ a low write current } in { TAIL ~ the CPP cell } and a high dR / R in the MTJ
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH