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  • Analysis and Measurement of Residual Stress in Bridge Membrane MEMS Relays

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    Author(s)
    Ruan, Yong
    Wang, Weizhong
    Zhu, Yong
    You, Zheng
    Griffith University Author(s)
    Zhu, Yong
    Year published
    2017
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    Abstract
    Microelectromechanical system (MEMS) relays are gradually replacing traditional relays because they are smaller and lighter and consume less power. However, performance parameters of MEMS relays, such as the pull-down voltage, response time, and resonant frequency, often deviate from those originally designed, due to residual stress generated during the fabrication process. We present herein a method to measure this residual stress, based on a metal bridge membrane MEMS relay, with the help of a nanoindenter and the finite-element method (FEM). The testing result lies in a reasonable range, indicating that this simple method ...
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    Microelectromechanical system (MEMS) relays are gradually replacing traditional relays because they are smaller and lighter and consume less power. However, performance parameters of MEMS relays, such as the pull-down voltage, response time, and resonant frequency, often deviate from those originally designed, due to residual stress generated during the fabrication process. We present herein a method to measure this residual stress, based on a metal bridge membrane MEMS relay, with the help of a nanoindenter and the finite-element method (FEM). The testing result lies in a reasonable range, indicating that this simple method is reliable and helpful for MEMS relay optimization.
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    Journal Title
    Journal of Electronic Materials
    Volume
    46
    Issue
    4
    DOI
    https://doi.org/10.1007/s11664-017-5323-1
    Copyright Statement
    © 2017 Springer US. This is an electronic version of an article published in Journal of Electronic Materials, Volume 46, Issue 4, pp 2494–2500, 2017. Journal of Electronic Materials is available online at: http://link.springer.com/ with the open URL of your article.
    Subject
    Atomic, molecular and optical physics
    Electrical engineering
    Electronics, sensors and digital hardware
    Publication URI
    http://hdl.handle.net/10072/340365
    Collection
    • Journal articles

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