Rapidly tunable and highly reversible bio-inspired dry adhesion for transfer printing in air and a vacuum

Linghu, Changhong; Wang, Chengjun; Cen, Nuo; Wu, Jiaming; Lai, Zhengfeng; Song, Jizhou

doi:10.1039/c8sm01996g

Cited by 108 publications

(97 citation statements)

References 41 publications

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“…The other adhesion control strategy that has been widely used in animal kingdom is called the pneumatic mechanism, where the adhesion is modulated by changing the effective stiffness and topography of the smooth adhesive pads. The aphid is a typical animal utilizing this adhesion control strategy, 89,90 as illustrated in Fig. 7a.…”

Section: Aphid-inspired Transfer Printing Techniquementioning

confidence: 99%

“…The inflatable stamp has provided valuable proof for the selective/programmable printing, but the complexity of the fabrication process and the small packing density due to the connection requirements between the air pipe and each actuation site via the microchannels limit its practical applications in large scale twodimensional arrays. A simple yet robust design 90 is introduced by adding the magnetic particles into the reservoirs to drive the membrane deformations and modulate the adhesion via the external magnetic field. The built-in magnetic driving system eliminates the need for the connection to air pipes and responses very quickly.…”

Section: Aphid-inspired Transfer Printing Techniquementioning

confidence: 99%

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Transfer printing techniques for flexible and stretchable inorganic electronics

et al. 2018

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Transfer printing is an emerging deterministic assembly technique for micro-fabrication and nano-fabrication, which enables the heterogeneous integration of classes of materials into desired functional layouts. It creates engineering opportunities in the area of flexible and stretchable inorganic electronics with equal performance to conventional wafer-based devices but the ability to be deformed like a rubber, where prefabricated inorganic semiconductor materials or devices on the donor wafer are required to be transfer-printed onto unconventional flexible substrates. This paper provides a brief review of recent advances on transfer printing techniques for flexible and stretchable inorganic electronics. The basic concept for each transfer printing technique is overviewed. The performances of these transfer printing techniques are summarized and compared followed by the discussions of perspectives and challenges for future developments and applications.

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Section: Aphid-inspired Transfer Printing Techniquementioning

confidence: 99%

Section: Aphid-inspired Transfer Printing Techniquementioning

confidence: 99%

Transfer printing techniques for flexible and stretchable inorganic electronics

et al. 2018

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“…Ultrathin chips can also be embedded in an interposer film, with fan‐out patterns to enable easier integration with printed traces . Various transferring techniques can be utilized to transfer silicon ICs to flexible and stretchable substrates . The transferred silicon ICs can be flip‐chip bonded or pick‐and‐placed onto flexible and stretchable substrates using a low‐temperature solder or adhesive printed electrodes.…”

Section: Core Components Of Fhementioning

confidence: 99%

A New Frontier of Printed Electronics: Flexible Hybrid Electronics

et al. 2019

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The performance and integration density of silicon integrated circuits (ICs) have progressed at an unprecedented pace in the past 60 years. While silicon ICs thrive at low‐power high‐performance computing, creating flexible and large‐area electronics using silicon remains a challenge. On the other hand, flexible and printed electronics use intrinsically flexible materials and printing techniques to manufacture compliant and large‐area electronics. Nonetheless, flexible electronics are not as efficient as silicon ICs for computation and signal communication. Flexible hybrid electronics (FHE) leverages the strengths of these two dissimilar technologies. It uses flexible and printed electronics where flexibility and scalability are required, i.e., for sensing and actuating, and silicon ICs for computation and communication purposes. Combining flexible electronics and silicon ICs yields a very powerful and versatile technology with a vast range of applications. Here, the fundamental building blocks of an FHE system, printed sensors and circuits, thinned silicon ICs, printed antennas, printed energy harvesting and storage modules, and printed displays, are discussed. Emerging application areas of FHE in wearable health, structural health, industrial, environmental, and agricultural sensing are reviewed. Overall, the recent progress, fabrication, application, and challenges, and an outlook, related to FHE are presented.

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“…However, significant challenges exist in adopting these techniques directly for mechanically flexible and nonflat substrates that are particularly made of biocompatible soft elastomers, mainly due to the required chemical and thermal treatments causing potential damages to the substrates. To circumvent this problem, various forms of transfer printing approaches have been established . In general, these approaches represent a set of techniques that enable the deterministic integration of various classes of materials with a foreign receiver substrate in a large‐scale and defect‐free manner.…”

Section: Advanced Printing Materials and Techniquesmentioning

confidence: 99%

Printing Flexible and Hybrid Electronics for Human Skin and Eye‐Interfaced Health Monitoring Systems

Kim

Lee

2019

Advanced Materials

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Advances in printing materials and techniques for flexible and hybrid electronics in the domain of connected healthcare have enabled rapid development of innovative body‐interfaced health monitoring systems at a tremendous pace. Thin, flexible, and stretchable biosensors that are printed on a biocompatible soft substrate provide the ability to noninvasively and unobtrusively integrate with the human body for continuous monitoring and early detection of diseases and other conditions affecting health and well being. Hybrid integration of such biosensors with extremely well‐established silicon‐based microcircuit chips offers a viable route for in‐sensor data processing and wireless transmission in many medical and clinical settings. Here, a set of advanced and hybrid printing techniques is summarized, covering diverse aspects ranging from active electronic materials to process capability, for their use in human skin and eye‐interfaced health monitoring systems with different levels of complexity. Essential components of the devices, including constituent biomaterials, structural layouts, assembly methods, and power and data processing configurations, are outlined and discussed in a categorized manner tailored to specific clinical needs. Perspectives on the benefits and challenges of these systems in basic and applied biomedical research are presented and discussed.

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Rapidly tunable and highly reversible bio-inspired dry adhesion for transfer printing in air and a vacuum

Abstract: Magnetically actuated aphid-inspired dry adhesion is developed with rapid tunability and high reversibility and demonstrated in transfer printing both in air and in a vacuum.

Cited by 108 publications

References 41 publications

Transfer printing techniques for flexible and stretchable inorganic electronics

Transfer printing techniques for flexible and stretchable inorganic electronics

A New Frontier of Printed Electronics: Flexible Hybrid Electronics

Printing Flexible and Hybrid Electronics for Human Skin and Eye‐Interfaced Health Monitoring Systems

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