| 摘要 |
A granule-type magnetoresistive material is used to form a MR component, which is equipped in a magnetic head, or the like. When placing the magnetoresistive material in the external magnetic field, the electric resistance is altered responsive to a variation of the external magnetic field. In order to increase a magnetic-field sensitivity, the magnetoresistive material is composed of an alloy whose atomic composition is expressed by a chemical formula of (Co1-xFex)yAg1-y, where 0.45</=x</=0.55 and 0.24</=y</=0.35; or another chemical formula of (Co1-xFex)y(Ag1-zCuz)1-y, where 0.45</=x</=0.55, 0.24</=y</=0.35 and z</=0.14.
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