Greer, Burns & Crain, Ltd.
Magnetoresistive head and magnetic recording/reproducing apparatus
 The present invention relates to a magnetoresistive head having a spin valve MR film for use in a magnetic sensor, a magnetic head or the like. Of two ferromagnetic layers divided by a nonmagnetic metal film, at least ferromagnetic layer on the side being in contact with an antiferromagnetic layer is formed by a cobalt-nickel-iron alloy including at the rate of 5 to 40 atoms % of a nickel and 30 to 95 atoms % of cobalt. 
Fujitsu Limited
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Mitsuru Hitoshi Hideyuki Kazuo Yasuhiro
Otagiri Kishi Kikuchi Kobayashi Kitade