| 摘要 |
A suspension is provided with a base plate, load beam, and flexure. The base plate includes a boss portion, a first region situated on a side closer to a slider with respect to a center of the boss portion, and a second region situated on a side more remote from the slider. A pair of first projections are formed in the first region. A pair of second projections are formed in the second region. The projections project in the thickness direction of the base plate. The boss portion is inserted into a hole in an actuator arm, and the projections contact a suspension support portion of the actuator arm. The boss portion is pressurized from inside to be enlarged, whereby the base plate is fixed to the inner peripheral surface of the hole of the actuator arm.
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