1. Technical Field
The present disclosure relates to an actuator, and more particularly, to a high-density linear force actuator and a method of manufacturing the same.
2. Description of Related Art
In fluid dynamic bearing motors, a lifetime of the motor is affected by the stress of a fluid dynamic bearing. In order to suppress or eliminate a stress applied to the fluid dynamic bearing due to a dynamic pressure, a hole in a holding ring is usually designed to have a diameter larger than that
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