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 | MSM 99
Technical Proceedings of the 1999 International Conference on Modeling and Simulation of Microsystems
Chapter 6: Characterization, Parameter Extraction, Calibration |
| | IMAP: Interferometry for Material Property Measurement in MEMS | | Authors: | B.D. Jensen, M.P. de Boer and S.L. Miller | | Affilation: | Sandia National Laboratory, U.S.A. | | Pages: | 206 - 209 | | Keywords: | optical measurement, material properties, interferometry | | Abstract: | An interferometric technique has been developed for non-destructive, high-confidence, in-si tu determination of material properties in MEMS. By using interferometry to measure the full deflection curves of beams pulled toward the substrate under electrostatic loads, the actual behavior of the beams has been modeled. No other method for deter-mining material properties allows such detailed knowledge of device behavior to be gathered. Values for material properties and non-idealities (such as support post compliance) have then been extracted which minimize the error between the measured and modeled deflections. High accuracy and resolution have been demonstrated, allowing the measurements to be used to enhance process control. |  | View paper | | ISBN: | 0-9666135-4-6 |
| Pages: | 697 |
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