| 摘要 |
A magnetic head slider is mounted on a slider mounting portion 204 supported by gimbal arms. Each gimbal arm is connected to a beam suspension. The gimbal arm on the side of the magnetic head is wider and shorter than the other gimbal arm. In a seek operation, vibration occurs close to an in-plane rotational movement centered at the gimbal arm, since the supporting rigidity of the gimbal arm is higher than that of the gimbal arm due to the difference in configuration between the gimbal arms. An amount of off-track of the magnetic head is relatively small, since it is mounted on the side of the gimbal arm.
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