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An efficient thermal actuator design for the thermal flying height control slider
Authors:Hui Li  Shengnan Shen
Affiliation:1. School of Power and Mechanical Engineering, Wuhan University, Wuchang, 430072, People’s Republic of China
Abstract:In this work, we propose a novel thermal actuator by designing a thermal insulator, a thermal conductor, and their combination to the traditional thermal heater. The thermal-structure simulation coupled with air bearing simulation is used to simulate the actuation by the thermal actuator, as well as the effects on flying performance of slider being actuated. The simulation results show that an additional 0.8–1.1 nm flying height reduction can be obtained by applying the proposed thermal actuator when the flying height of TFC slider is about several nanometers.
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