Magnetically Driven Non-Contact Transfer Printing Based on a Bi-Stable Elastomeric Stamp,Advanced Materials Technologies

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Magnetically Driven Non-Contact Transfer Printing Based on a Bi-Stable Elastomeric Stamp
Advanced Materials Technologies ( IF 6.4 ) Pub Date : 2021-07-01 , DOI: 10.1002/admt.202100335
Chenglong Li ₁ , Hongyu Luo ₁ , Jizhou Song _{1,

2}

Affiliation

Transfer printing that enables the heterogeneous integration of a variety of materials in desired 2D or 3D layouts is essential for developing existing and envisioned systems such as flexible electronics, stretchable electronics, and micro LED displays. Here, a simple yet robust magnetically driven non-contact transfer printing technique based on a bi-stable elastomeric stamp is reported. This stamp features adhesive blocks, a magnetic-response film with a buckled configuration and a cavity. The magnetic-response film can be controlled with a rapid snap-through under a magnetic field to switch interfacial adhesion from strong state for reliable pick-up to weak state for easy printing, which allows the printing of inks onto arbitrary receivers. Experimental, numerical, and theoretical studies reveal the fundamental aspects of design and operation of the stamp to enable a highly efficient non-contract transfer printing technique. Demonstrations of this concept in transfer printing of Si platelets, papers, pearl cottons, glass slides, and porous acrylic plates onto various challenging non-adhesive receivers (e.g., cleanroom wiper, cloth, leather, glass, or paper) illustrate its robust capabilities in manipulation of objects with a wide range of materials and its great potential for deterministic assembly, thereby creating engineering opportunities in applications requiring the heterogeneous integration of diverse materials.

中文翻译：

基于双稳态弹性印章的磁驱动非接触转移印刷

转移打印能够以所需的 2D 或 3D 布局实现各种材料的异构集成，对于开发现有和设想的系统（例如柔性电子设备、可拉伸电子设备和微型 LED 显示器）至关重要。在这里，报告了一种基于双稳态弹性印章的简单而强大的磁驱动非接触转移印刷技术。该邮票具有粘合块、带扣状结构的磁响应膜和空腔。磁响应薄膜可以在磁场下通过快速快速通过来控制，将界面粘附从强状态切换到弱状态以便于打印，从而允许将墨水打印到任意接收器上。实验，数值，理论研究揭示了邮票设计和操作的基本方面，以实现高效的非合同转移印刷技术。在将硅片、纸、珍珠棉、载玻片和多孔亚克力板转移到各种具有挑战性的非粘性接收器（例如，洁净室擦拭布、布、皮革、玻璃或纸）上时，该概念的演示说明了其在以下方面的强大能力操纵具有广泛材料的物体及其确定性组装的巨大潜力，从而在需要不同材料的异构集成的应用中创造工程机会。

更新日期：2021-07-01

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