本文以實驗方式來比較具有表面微結構之聚二甲基矽氧烷試體與平面聚二甲基矽氧烷(PDMS)試體，在彈性模數E與表面黏著能W兩種性質上的差異。
在JKR黏著接觸實驗的量測方面，本文以Labview程式設計自動化控制程式控制玻璃半球的減載過程。在接觸面積的量測上，也利用Matlab程式自動計算接觸面積半徑的大小，以節省人為判別的時間。
由實驗結果可知，改變試體表面微柱尺寸可提高表面黏著能。表面黏著能會隨微柱面密度及深寬比增加而提升。微柱試體的基底厚度亦有助於表面黏著能的提升。但是探頭與微柱結構之間的接觸壓深量也會影響表面黏著能的大小。

This research compared the effective elastic modulus E and the effective work of adhesion W of the micro-structured Polydimethy Siloxane(PDMS) sample with the flat PDMS sample in JKR experiments. In JKR experiments, the displacement of hemispherical glass ball was controlled automatically by Labview program. In addition, to improve the efficiency of data acquisition, the contact areas were obtained by digital image processing using Matlab program. Micro-columns of different heights, diameters, substrate thickness and density were fabricated for test. From our experimental results, it was found that the adhesion properties can be affected by the dimensions of micro-columns. The increase in the density and aspect ratio of micro-columns can enhance the work of adhesion. Also, the thickness of the substrate is helpful to improve the work of adhesion of micro-columns. However, the work of adhesion of micro-structures was affected by the indentation depth of the hemispherical glass ball during loading.

[1] Autumn, K., Liang, Y. A., Hsieh, S. T., Zesch, W., Chan, W. P., Kenny, T. W., Fearing, R. & Full, R. J., “Adhesive force of a single gecko foot-hair”, Nature, 405, 681-685 (2000).

[2] Autumn, K., Sitti, M., Liang, Y. A., Peattie, A. M., Hansen, W. R., Sponberg, S., Kenny, T. W., Fearing, R., Lsraelachvili, J. N & Full, R. J., “Evidence for van der Waals adhesion in gecko setae”, Proceedings of the National Academy of Sciences of the United States of America, 99, 12252-12256 (2002).

[3] Hertz, H., “On the contact of rigid elastic solids”, J. reine und angewandte Mathematik, 92, 156-171 (1882).

[4] Johnson, K. L., Kendall, K. & Roberts, A. D., “Surface energy and the contact of elastic solids”, Proceedings of the Royal Society of London, Ser. A 324, 301-313 (1971).

[5] Chaudhury, M. K. & Whitesides, G . M., “Direct Measurement of Interfacial Interactions between Semispherical Lenses and Flat Sheets of Poly(dimethylsiloxane) and Their Chemical Derivatives”, Langmuir, 7, 1013-1025 (1991).

[6] Glassmaker, N. J., Jagota,V., Hui,C.-Y. & Kim, J., “Design of biomimetic fibrillar interfaces：1.Making contact”, Journal of the Royal Society Interface, 1, 23-33 (2004).

[7] Spolenak, R., Gorb, S. & Arzt, E. ,“Adhesion design maps for bio-inspired attachment systems”, Acta Biomaterialia, 1,5-13(2005).

[8] Greiner, C., Buhl S., del Campo, A. & Arzt, E. ,“Experimental Parameters Controlling Adhesion of Biomimetic Fibrillar Surfaces”, The Journal of Adhesion, 85, 646-661 (2009).

[9] del Campo, A. & Greiner, C. ,“SU-8：a photoresist for high-aspect-ratio and 3D submicron lithography”, Journal of Micromechanics and Microengineering, 17, 81-95 (2007).

[10] del Campo, A., Greiner, C. & Arzt, E.,“Adhesion of Bioinspired Micropatterned Surfaces：Effects of Pollar Radius, Aspect Ratio, and Preload”, Langmuir, 23(7), 3495-3502 (2007).

[11] del Campo, A. , Greiner, C. & Arzt, E. ,“Contact Shape Controls Adhesion of Bioinspired Fibrillar Surfaces”, Langmuir, 23(9), 10235-10243 (2007).

[12] 邱士瑋，“軟性微結構黏著接觸試驗分析”，國立成功大學土木工程學系，碩士論文，(2009)。

[13] 陶鈞豪，“Johnson-Kendall-Roberts(JKR)黏著實驗之建立與量測分析”， 國立成功大學土木工程學系，碩士論文，(2007)。

[14] 張智傑，“大變形黏著接觸試驗之量測與分析”，國立成功大學土木工程學系，碩士論文，(2008)。

[15] 陳錫輝，張銀鴻，“ Labview 8.20程序設計從入門到精通”，清華大學出版社。

[16] Gonzalez, R. C., Woods, R. E. & Eddins, S. L. ,“Digital Image Processing Using Matlab,1st”, Prentice Hall.

[17] Tang, T., Hui, C. Y. & Glassmaker, N. J. ,“Can a fibrillar interface be stronger and tougher than a non-fibrillar one?”, J. R. Soc. Interface, 2, 505-516 (2005).