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Journal of Failure Analysis and Prevention

Erschienen in:

01.04.2007 | Peer Reviewed

Failure Analysis of Thermal Actuators, Comb Drives, and Other Microelectromechanical Elements

verfasst von: T. F. Tan, K. Weber, C. K. H. Dharan

Erschienen in: Journal of Failure Analysis and Prevention | Ausgabe 2/2007

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Abstract

This paper reports on an investigation in which several standard Microelectromechanical Systems (MEMS) elements consisting of thermal actuators, inchworm drives, and comb drives were subjected to vibration loading representative of the environment seen in space applications. Finite-element analysis of the MEMS devices showed that sufficient margins existed under the expected environmental loading. Vibration testing, however, resulted in several failures in the devices, and analysis showed that progressive failure initiated from large local displacements. Debris transport and entrapment was another source of failure leading to shorting of thermal actuators. The results illustrate the importance of debris control and packaging design for reliable MEMS operation. Suggestions for improving the reliability of MEMS devices through practical layout and packaging guidelines are made.

Vorheriger Artikel Effect of Eccentricity on a Clutch System Under a Harmonically Varying Normal Load

Nächster Artikel Allowables-Based Flow Curves for Nonlinear Finite-Element Analysis

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Titel: Failure Analysis of Thermal Actuators, Comb Drives, and Other Microelectromechanical Elements
verfasst von: T. F. Tan
K. Weber
C. K. H. Dharan
Publikationsdatum: 01.04.2007
Verlag: Kluwer Academic Publishers-Plenum Publishers
Erschienen in: Journal of Failure Analysis and Prevention / Ausgabe 2/2007
Print ISSN: 1547-7029
Elektronische ISSN: 1864-1245
DOI: https://doi.org/10.1007/s11668-007-9018-4

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