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The Liquid-Bridge with Large Gap in Micro Structural Systems
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Journal of Modern Physics·Volume 02 (2011)·Pages 404–415·Published 17 May 2011·DOI10.4236/jmp.2011.25050
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Abstract
Based on the analysis of the total free energy of the liquid-bridge, several methods are presented to analyze the pull-off force of liquid-bridge. For the liquid bridge system with a large gap width, accurate solutions of a two-plates liquid bridge and a sphere-plane liquid bridge are given. In addition, the edge-effect resulting from the profile of the top solid in the liquid-bridge system is analyzed and calculated. It is proved by the subsequent tests.
KeywordsLiquid-BridgeMEMSCapillaryPull-Off Force
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