System and method to electrically ground fluid dynamic bearings

A Spindle motor assembly that utilizes a fluid dynamic bearing electrically grounded to provide a conductive path through the spindle motor assembly. In one embodiment, the fluid dynamic bearing includes a liquid metal that is conductive and of low electrical resistance that provides the conductive...

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Hauptverfasser: WALLASH ALBERT J, HENDRIKS FERDINAND
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A Spindle motor assembly that utilizes a fluid dynamic bearing electrically grounded to provide a conductive path through the spindle motor assembly. In one embodiment, the fluid dynamic bearing includes a liquid metal that is conductive and of low electrical resistance that provides the conductive path between the spindle and the spindle housing.