Patent ID: 6697233
Filing Date: 2004-02-24
Classification: G11B,Y10T

Abstract:
A dual stripe, magnetoresistive head comprising:a first ferromagnetic stripe on a substrate, a first antiferromagnetic pinning layer over a portion of said first ferromagnetic strip, said first antiferromagnetic pinning layer being composed of a first material magnetized in a first direction, an intermediate non-magnetic layer over said strips and said pinning layer, a second ferromagnetic stripe on said intermediate non-magnetic layer, a second antiferromagnetic pinning layer over a portion of said second ferromagnetic stripe, said second antiferromagnetic pinning layer being composed of said first material, said second pinning layer being magnetized in a direction antiparallel to said first magnetic field, and Hpin/Hc for said second stripe is several times greater than Hpin/Hc for said first stripe.