應力引發聚二甲基矽氧烷微波紋成型及機制

林金龍

doi:10.6846/TKU.2007.00118

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應力引發聚二甲基矽氧烷微波紋成型及機制

Formation and Mechanisms for Stress Induced Micropatterns of Polydimethysiloxane

林金龍 , Masters　　Advisor：林清彬　　

繁體中文 DOI： 10.6846/TKU.2007.00118

挫曲；聚二甲基矽氧烷；類差排運動；彈性體；微波紋；類網狀波紋；三腳波紋； Ripple ； Tensile stress ； net-like patterns ； Elastomer ； Buckle ； star light patterns ； PDMS ； movement of dislocation-like

Abstract │ Reference (27) │ Times Cited (1) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

This paper describes a novel method to the formation of micro-patterns induced by the stretched PDMS thin film with a sputtered gold layer. The Young’s Module and coefficient of heat expansion of PDMS differed from those of Au so that the instability of stress induced the buckling on the surface of elastomer. In this thesis, the pyramid-like patterns, movement of dislocation-like, and net-like patterns are discovered by changing the method of applying force. Coating a third layer of PDMS with different thickness supplied the contracting stress and found out the contribution of stress in the third layer. The third layer was also replaced by polyvinyl acetate adhesive for it is ablated easily. After that, the fracture surfaces were shown and pyramid-like patterns appeared with the fracture surfaces shoved by the released the stress. Apparently, the degree of second axial force we applied on PDMS influences the movement of patterns very much. As 78°＜θ°≤101°, the net-like patterns appeared owing to the overlaps of biaxial compressive forces, and none of movement of dislocation-like existed. Besides, the movement of net-like patterns was based on the unit of grid points. As 0°＜θ°≤77°and 102°＜θ°≤180°, the change of contracting force resulted in the movement of dislocation-like. There were more than two times of temporary stable states during the stress increased. The reason for the formation of Y dislocation was also confirmed.

Reference ( 27 ) 〈TOP〉

2. S. Kwori, L. P. Lee “Stacked two dimensional micro-lens scanner for micro confocal imaging array” Proceedings of the IEEE Micro Electro Mechanical Systems (MEMS), (2002) pp. 483-486
連結：
3. D. S. Gray, J. Tien, C.S. Chen “High-conductivity elastomeric electronics” Advanced Materials, Vol. 16, (2004) pp. 393-397.
連結：
4. S. P. Lacour, J. Jones, Z. Suo, S. Wagner, “Design and performance of thin metal film interconnects for skin-like electronic circuits” IEEE Electron Device Letters, Vol. 25, (2004) pp. 179-181.
連結：
5. R. D. Kornbluh, R. Pelrine, J. Joseph, R. Heydt, Q. Pei, S. Chiba “High-field electrostriction of elastomeric polymer dielectrics for actuation” Proceedings of SPIE, Vol. 3669, (1999) pp. 149–161.
連結：
7. T. S. Wilhelm Huck, N. Bowden, P. Onck, Thomas Pardoen, John W. Hutchinson, George M. Whitesides “Ordering of spontaneously formed buckles on planar surfaces” Langmuir, Vol. 16, (2000) pp. 3497-3501.
連結：

Times Cited (1) 〈TOP〉

簡呈安(2012)。非線性漣漪結構的製造。淡江大學機械與機電工程學系碩士班學位論文。2012。1-80。

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