Severson, Rob email (remove spam text)
> I seem to recall reading of the development of the
> first disk drives at
> IBM inSan Jose. Rather than look at control system theory and stable
> feedback loops, someone figured that a vibrating head
> positioner could be
> fixed by putting a capacitor across the actuator. After the "fix", it
> shoved the head through the side of the drive.
Am I correct in understanding, then, that this fixed the vibration problem?
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