| 摘要 |
A disk drive includes a disk, a magnetic transducer, and a rotary actuator arrangement for positioning the magnetic transducer over a selected area of the disk. The rotary actuator arrangement includes a head stack assembly including a body portion and a plastic arm having an arm surface, a first end and a distal end, with the first end being attached to the body portion. The head stack assembly further includes a load beam for supporting the transducer. The load beam has a plurality of mounting sites, an arm-facing surface, and a retention surface. The head stack assembly further includes a plurality of plastic binding structures that secure the load beam to the arm. Each plastic binding structure has a shaft portion projecting through a respective one of the mounting sites, has a bonding portion forming a homogeneous plastic bond with the arm surface, and has a retention portion abutting the retention surface; whereby the load beam is securely attached to the plastic arm.
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