| 摘要 |
According to an aspect of an embodiment, a head slider includes: a slider substrate; and an operating unit arranged on the slider substrate, the operating unit having a pair of electrodes and a piezoelectric component arranged between the pair of electrodes, the pair of electrodes being constituted by a first electrode and a second electrode, in which the product of the Young's modulus and the thickness of the first electrode in the direction from the first electrode to the second electrode is larger than the product of the Young's modulus and the thickness of the second electrode in the direction from the first electrode to the second electrode. The head slider further includes a magnetic head arranged on the slider substrate with the operating unit, opposite to the slider substrate.
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