Title :
Boosting servo bandwidth
Abstract :
The resonant frequency of a disk drive actuator arm is greatly increased if the coil is stiffened by thin wide plates. The paper shows that side effects with such plates are negligible, yet a doubling of servo bandwidth is possible.
Keywords :
actuators; disc drives; hard discs; servomechanisms; boosting servo bandwidth; coil; disk drive actuator arm; resonant frequency; stiffened; thin wide plates; Actuators; Bandwidth; Boosting; Coils; Copper; Damping; Disk drives; Servomechanisms; Steel; Torque;
Conference_Titel :
Asia-Pacific Magnetic Recording Conference, 2000. APMRC 2000
Conference_Location :
Tokyo, Japan
Print_ISBN :
0-7803-6254-3
DOI :
10.1109/APMRC.2000.898950