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Sensors 2007, 7(10), 2062-2079; doi:10.3390/s7102062

Quantitative Boundary Support Characterization for Cantilever MEMS

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Received: 6 September 2007; Accepted: 26 September 2007 / Published: 3 October 2007
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Abstract: Microfabrication limitations are of concern especially for suspended Micro-Electro-Mechanical-Systems (MEMS) microstructures such as cantilevers. The static anddynamic qualities of such microscale devices are directly related to the invariant and variantproperties of the microsystem. Among the invariant properties, microfabrication limitationscan be quantified only after the fabrication of the device through testing. However, MEMSare batch fabricated in large numbers where individual testing is neither possible nor costeffective. Hence, a suitable test algorithm needs to be developed where the test resultsobtained for a few devices can be applied to the whole fabrication batch, and also to thefoundry process in general. In this regard, this paper proposes a method to test MEMScantilevers under variant electro-thermal influences in order to quantify the effectiveboundary support condition obtained for a foundry process. A non-contact optical sensingapproach is employed for the dynamic testing. The Rayleigh-Ritz energy method usingboundary characteristic orthogonal polynomials is employed for the modeling andtheoretical analysis.
Keywords: MEMS; cantilevers; microfabrication; boundary support; Rayleigh-Ritz MEMS; cantilevers; microfabrication; boundary support; Rayleigh-Ritz
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Rinaldi, G.; Packirisamy, M.; Stiharu, I. Quantitative Boundary Support Characterization for Cantilever MEMS. Sensors 2007, 7, 2062-2079.

AMA Style

Rinaldi G, Packirisamy M, Stiharu I. Quantitative Boundary Support Characterization for Cantilever MEMS. Sensors. 2007; 7(10):2062-2079.

Chicago/Turabian Style

Rinaldi, Gino; Packirisamy, Muthukumaran; Stiharu, Ion. 2007. "Quantitative Boundary Support Characterization for Cantilever MEMS." Sensors 7, no. 10: 2062-2079.

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