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|Title:||Force based displacement measurement in micromechanical devices|
|Citation:||O'Shea, S.J., Ng, C.K., Tan, Y.Y., Xu, Y., Tay, E.H., Chua, B.L., Tien, N.C., Tang, X.S., Chen, W.T. (2001-06-18). Force based displacement measurement in micromechanical devices. Applied Physics Letters 78 (25) : 4031-4033. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1380398|
|Abstract:||We demonstrate how force detection methods based on atomic force microscopy can be used to measure displacement in micromechanical devices. We show the operation of a simple microfabricated accelerometer, the proof mass of which incorporates a tip which can be moved towards an opposing surface. Both noncontact operation using long range electrostatic forces and tapping mode operation are demonstrated. The displacement sensitivity of the present device using feedback to control the tip-surface separation is approximately 1 nm. © 2001 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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