Author(s)

Shiqiao Gao, Lei Jin, Jingqing Du, Haipeng Liu

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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.

Liquid-Bridge, MEMS, Capillary, Pull-Off Force

S. Gao, L. Jin, J. Du and H. Liu, "The Liquid-Bridge with Large Gap in Micro Structural Systems," Journal of Modern Physics, Vol. 2 No. 5, 2011, pp. 404-415. doi: 10.4236/jmp.2011.25050.