Actuator design for data storage systems
Thong, Chee Sheng.
Date of Issue2002
School of Mechanical and Aerospace Engineering
The friction at the pivot bearing and the mechanical resonance of the head actuator are the two of the major sources that limit the data processing speed and accuracy in hard disk drives (HDDs). The mechanical resonance is typical micro actuators exhibit a very lightly damped resonance frequency.
Nanyang Technological University