| 摘要 |
A disc pack assembly for use in a disc drive storage system or external servo writer that is configured to maintain concentric alignment between one or more discs and a hub during handling. The disc pack assembly generally includes a disc support having an annular shoulder, a disc supported on the annular shoulder, and a hub top. The hub top includes a spindle mount portion, a ring mount portion and an annular clamping flange. The spindle mount portion is mountable to a rotatable spindle of a motor of a disc drive or an external servo writer. The ring mount portion is positioned in interference-fit engagement with the disc support for attachment thereto. The annular clamping flange applies an axial force to the disc to secure the disc between the clamping flange and the annular shoulder.
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