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형상기억합금을 이용한 HDD Load/Unload 서스펜션의 설계
임수철 ( S. C. Lim ),박영필 ( Y. P. Park ),박노철 ( N. C. Park ),최승복 ( S. B. Choi ) 정보저장시스템학회 2005 추계학술대회논문집 Vol.2005 No.-
In this work, we propose a new type of HDD LoadJUnload (L/UL) suspension featuring shape memory alloy (SMA). The mechanical and thermal properties of the SMA film with respect to the material phase states are experimentally estimated and the SMA film is carefully integrated to the suspension. In order to obtain the desirable dynamic characteristics of the suspension during L/UL process, the design parameters of the SMA film such as geometric properties are determined by considering the vibration modes of the suspension related to the L/UL performance. After analyzing the modal characteristics of the proposed suspension, L/UL performance is evaluated through L/UL simulation by observing the vibration motion and minimum flying height of the slider during L/UL process.