Stretchable Circuits: 3D Multifunctional Composites Based on Large‐Area Stretchable Circuit with Thermoforming Technology (Adv. Electron. Mater. 8/2018)

Yang, Yang; Vervust, Thomas; Dunphy, Sheila; Put, Steven Van; Vandecasteele, Björn; Dhaenens, Kristof; Degrendele, Lieven; Mader, Lothar; Vriese, Linde De; Martens, Tom; Kaufmann, Markus; Sekitani, Tsuyoshi; Vanfleteren, Jan

doi:10.1002/aelm.201870037

Cited by 2 publications

(1 citation statement)

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“…The development of flexible electronics has opened up a new field for electronics applications, which can be used for solving problems similar to the above. [25][26][27][28][29][30][31][32][33][34] For example, Rogers, Huang et al realized stretching, torsion and folding deformation of a device and maintained the integrity of the system function through the design of a corrugated structure, serpentine wire, and an island bridge structure. [35][36][37][38] Integrating multiple sensors into wearable flexible electronic skin can realize real-time sensing of parameters such as temperature and pressure, which greatly facilitates infinite sensor communication.…”

Section: Introductionmentioning

confidence: 99%

Flexible Ultrasonic Patch for Accelerating Chronic Wound Healing

Lyu

Chen

et al. 2021

Adv Healthcare Materials

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Ultrasound treatment is an effective method for accelerating chronic wound healing. However, it is not widely used because traditional ultrasonic probes cannot be conformal to the wound surface, which leads to limitations of use and unstable treatment effects. In addition, the use of liquid coupling agent increases the chance of wound infection. A strategy is proposed to design and fabricate a flexible ultrasonic patch for treating chronic wounds effectively. The piezoelectric ceramic in the patch is discretized into several linearly arranged units, which are integrated on a flexible circuit substrate. A thin hydrogel patch is used as both encapsulation and coupling layer to avoid wound infection and ensure the penetration of ultrasound. The ultrasonic patch is soft, light, and can completely conform to the treatment area. Bending of the patch focuses the sound beams on the center of the bending circle, which achieves control of the target treatment area. Ultrasound treatment experiments are carried out on some type‐II diabetic rats. Immunohistochemical (IHC) results indicate that ultrasound accelerates wound healing by activating Rac1 in both dermal and epidermal layers. Treatment results show that wound treated with the ultrasound heals faster than wounds without. The healing time is shortened by ≈40%.

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Section: Introductionmentioning

confidence: 99%

Flexible Ultrasonic Patch for Accelerating Chronic Wound Healing

Lyu

Chen

et al. 2021

Adv Healthcare Materials

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Stretchability—The Metric for Stretchable Electrical Interconnects

2018

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Stretchable circuit technology, as the name implies, allows an electronic circuit to adapt to its surroundings by elongating when an external force is applied. Based on this, early authors proposed a straightforward metric: stretchability—the percentage length increase the circuit can survive while remaining functional. However, when comparing technologies, this metric is often unreliable as it is heavily design dependent. This paper aims to demonstrate this shortcoming and proposes a series of alternate methods to evaluate the performance of a stretchable interconnect. These methods consider circuit volume, material usage, and the reliability of the technology. This analysis is then expanded to the direct current (DC) resistance measurement performed on these stretchable interconnects. A simple dead reckoning approach is demonstrated to estimate the magnitude of these measurement errors on the final measurement.

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Stretchable Circuits: 3D Multifunctional Composites Based on Large‐Area Stretchable Circuit with Thermoforming Technology (Adv. Electron. Mater. 8/2018)

Cited by 2 publications

References 0 publications

Flexible Ultrasonic Patch for Accelerating Chronic Wound Healing

Flexible Ultrasonic Patch for Accelerating Chronic Wound Healing

Stretchability—The Metric for Stretchable Electrical Interconnects

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