Seagate Technology Incorporated

Arthur A Busick

Shawn Allen Ruden

Denis A Seewald

A biasing tool with a main body portion, for biasing a disc relative to a central axis of rotation of a motor hub by steps for biasing the disc adjacent the motor hub. The biasing tool includes; a first and second biasing finger each having a protruding disc engagement region, each biasing finger extending from the main body portion, and an attachment aperture confined within the main body portion accommodating alignment of the biasing tool relative to the disc. The steps include selectively engaging the disc with a disc engagement region of the first or second biasing finger, and aligning a center of rotation of an annular servo track written on the disc with the central axis of rotation of the motor hub by biasing the disc adjacent the motor hub, which forms a common rotational axis for the motor hub and the annular servo track.

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Lexington, OK, United States of America

Arthur A Busick