| 摘要 |
A magnetic head is configured to include a free layer having a magnetization direction which is rotatable depending on an external field, a reference layer arranged parallel to the free layer and magnetically isolated from the free layer, and a pinned layer arranged parallel to the reference layer. The pinned layer and the reference layer are antiferromagnetically coupled. The pinned layer has a magnetization direction which is pinned in a predetermined direction, and a magnetization direction of the reference layer is antiparallel with respect to that of the pinned layer. The pinned layer is configured to have an area larger than that of the reference layer.
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