ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,056, issued on Sept. 22, was assigned to Seagate Technology LLC (Fremont, Calif.).
"Piezoelectric motor for hard disk drive actuator arm" was invented by Riyan Alex Mendonsa (Edina, Minn.), Brett Robert Herdendorf (Mound, Minn.) and Xiong Liu (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described are hard drive devise in which piezoelectric motors are used to drive the motion of actuator arms, rather than the actuator arms being controlled by electromagnetic means such as a conventional voice coil motor. Piezo-based motors suitable for use with devices of the present disclosure may include inchworm motors, brake crawler motors, ultraso...