Brinks Hofer Gilson & Lione
Spin-valve magnetoresistive thin film element
A spin-valve magnetoresistive element includes a plurality of layers. The magnetic moment of a first pinned magnetic layer is greater than the magnetic moment of a second pinned magnetic layer, and the magnetic moment of the first pinned magnetic layer faces in the left direction in the drawing. Accordingly, the synthesized magnetic moment of the first pinned magnetic layer and the second pinned magnetic layer faces in the left direction in the drawing. Thus, causing a sensing current to flow in a first direction so as to generate a sensing galvanomagnetic field circling in the right-hand direction causes the direction of the sensing galvanomagnetic field and the direction of the synthesized magnetic moment to match, thereby facilitating improvement in the stability of the magnetization state of the first and second pinned magnetic layers.
Alps Electric Co., Ltd.
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Naoya Masamichi
Hasegawa Saito