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Mechanics of active elastomeric surfaces with tunable adhesion for non-contact pick-up and printing
International Journal of Solids and Structures ( IF 3.6 ) Pub Date : 2021-03-09 , DOI: 10.1016/j.ijsolstr.2021.02.024
Xiaofei Zhang , Changhong Linghu , Hongyu Luo , Jizhou Song

Transfer printing is an emerging technique for deterministic assembly and integration of multiscale and classes of materials on desired substrates with great potential in developing advanced electronic systems. Theoretical mechanics models are developed for an active elastomeric adhesive with the focus on the unusual capabilities of non-contact pick-up and printing. The active adhesive features cavities embedded under its contacting surface and encapsulated by a thin elastomeric surface membrane. Theoretical predictions on the pull-off force for pick-up and critical condition for non-contact printing agree well with experiments. Influences of geometrical parameters and material properties on the interfacial adhesion are systematically studied. These results may serve as the theoretical basis for adhesive optimization and provide guidelines for non-contact transfer printing, which is essential in applications of stretchable electronics and micro-LED displays.



中文翻译:

主动弹性表面的力学特性,具有可调节的附着力,可进行非接触式拾取和打印

转移印刷是一种新兴技术,用于确定性地在所需基材上组装多尺度和多种类型的材料,并具有开发先进电子系统的巨大潜力。针对活性弹性体粘合剂开发了理论力学模型,重点是非接触式拾取和打印的非凡功能。活性粘合剂具有嵌入其接触表面下并被弹性体表面薄膜包裹的空​​腔。对于拾取的拉拔力和非接触式印刷的临界条件的理论预测与实验非常吻合。系统地研究了几何参数和材料性能对界面附着力的影响。

更新日期:2021-03-27
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