Apparatus and method for reducing turbulence of airflow in a...

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record

Reexamination Certificate

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Reexamination Certificate

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07869159

ABSTRACT:
A sickle-shaped disk drive spoiler for reducing turbulence of airflow in a hard disk drive is provided. The sickle-shaped spoiler includes a body portion for directing airflow generated by a rotating disk, the rotating disk comprising an inner diameter and an outer diameter and wherein the body portion of the spoiler directs airflow away from the outer diameter of the disk and wherein the body portion is curved to substantially mirror the outer diameter of the disk. The sickle-shaped spoiler also includes a first end portion for gradually directing airflow away from the body portion and towards the inner diameter and a second end portion for gradually directing airflow towards the body portion and towards the inner diameter.

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Kirpekar, Sujit et al., “A Study on the Efficacy of Flow Mitigation Devices in Hard Disk Drives”,IEEE Transactions on Magnetics, No. 6, Jun. 2006, (Jun. 6, 2006),1716-1729.

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