Flexible Hybrid Integration Enabled xsOn-Skin Electronics for Wireless Monitoring of Electrophysiology and Motion

Zhao, Daoyan; Zhao, Jun; Liu, Huan; Guo, Wei; Zhu, Kanhao; Yang, Ganguang; Li, Zhuo; Wu, Hao

doi:10.1109/tbme.2021.3115464

Cited by 8 publications

(8 citation statements)

References 42 publications

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“…Zhao et al [40] fabricated an on-skin FHES with multifunctional sensing functions. As shown in Figure 2(c), the multilayer FHES consisted mainly of conductive components and a wireless flexible printed circuit board (FPCB) for sensing, processing, and transmission.…”

Section: Flexible and Stretchable 3d Interconnectsmentioning

confidence: 99%

“…However, the fabrication process of the current integration scheme is complicated and cannot guarantee the high-density integration of electronic components. In order to overcome these shortcomings, Zhao et al [40] reported a flexible hybrid integration scheme and fabricated an on-skin flexible hybrid electronic system for collecting ECG and acceleration data, as illustrated in Figure 3(c). For integrating discrete electronic components and rigid IC chips on stretchable substrates without limiting the stretchability of the system, a type of silicone-micro silver flakes based ECC was chosen for preparing stretchable interconnects and bonding chips with PDMS substrates.…”

Section: Ic Bonding On Soft Substratementioning

confidence: 99%

“…The high Young's modulus may lead to the easy separation of the rigid electronics on stretchable substrates. As a further development of the island bridge structure, by designing strain separation islands for rigid structures, Zhao et al [40] achieved the electronics island structure of low strain even under large deformations, which ensured the stability of the connection during stretching. Hong and coworkers [43] fabricated an epoxy contact pad as the localized rigid island.…”

Section: Stress Isolation Structuresmentioning

confidence: 99%

“…Our group fabricated an on-skin flexible hybrid electronic system with a high level of integration to collect ECG and acceleration data in real-time [40]. The radio frequency (RF) antenna part and high-frequency parts of this system were integrated on FPCB, while the other parts were fabricated on PDMS substrate (Figure 5(a)).…”

Section: Applications Of Fhementioning

confidence: 99%

“…(c) Exploded view of the on-skin flexible hybrid electronic system structure. Reproduced with permission[40]. Copyright@2021, IEEE.…”

mentioning

confidence: 99%

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Flexible hybrid electronics: Enabling integration techniques and applications

Huang

Yin

2022

Sci. China Technol. Sci.

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The conventional electronic systems enabled by rigid electronic are prone to malfunction under deformation, greatly limiting their application prospects. As an emerging platform for applications in healthcare monitoring and human-machine interface (HMI), flexible electronics have attracted growing attention due to its remarkable advantages, such as stretchability, flexibility, conformability, and wearing comfort. However, to realize the overall electronic systems, rigid components are also required for functions such as signal acquisition and transmission. Therefore, flexible hybrid electronics (FHE), which simultaneously possesses the desirable flexibility and enables the integration of rigid components for functionality, has been emerging as a promising strategy. This paper reviews the enabling integration techniques for FHE, including technologies for two-dimensional/ three-dimensional (2D/3D) interconnects, bonding of rigid integrated circuit (IC) chips to soft substrate, stress-isolation structures, and representative applications of FHE. In addition, future challenges and opportunities involved in FHE-based systems are also discussed.

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Section: Flexible and Stretchable 3d Interconnectsmentioning

confidence: 99%

Section: Ic Bonding On Soft Substratementioning

confidence: 99%

Section: Stress Isolation Structuresmentioning

confidence: 99%

Section: Applications Of Fhementioning

confidence: 99%

“…(c) Exploded view of the on-skin flexible hybrid electronic system structure. Reproduced with permission[40]. Copyright@2021, IEEE.…”

mentioning

confidence: 99%

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Flexible hybrid electronics: Enabling integration techniques and applications

Huang

Yin

2022

Sci. China Technol. Sci.

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RETRACTED ARTICLE: Design of an efficient multimodal engine for preemption and post-treatment recommendations for skin diseases via a deep learning-based hybrid bioinspired process

Shivadekar

Kataria²,

Limkar³

et al. 2023

Soft Comput

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High-density, highly sensitive sensor array of spiky carbon nanospheres for strain field mapping

Mei,

Yi,

Zhao

et al. 2024

Nat Commun

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While accurate mapping of strain distribution is crucial for assessing stress concentration and estimating fatigue life in engineering applications, conventional strain sensor arrays face a great challenge in balancing sensitivity and sensing density for effective strain mapping. In this study, we present a Fowler-Nordheim tunneling effect of monodispersed spiky carbon nanosphere array on polydimethylsiloxane as strain sensor arrays to achieve a sensitivity up to 70,000, a sensing density of 100 pixel cm−2, and logarithmic linearity over 99% within a wide strain range of 0% to 60%. The highly ordered assembly of spiky carbon nanospheres in each unit also ensures high inter-unit consistency (standard deviation ≤3.82%). Furthermore, this sensor array can conformally cover diverse surfaces, enabling accurate acquisition of strain distributions. The sensing array offers a convenient approach for mapping strain fields in various applications such as flexible electronics, soft robotics, biomechanics, and structure health monitoring.

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Flexible Hybrid Integration Enabled xsOn-Skin Electronics for Wireless Monitoring of Electrophysiology and Motion

Cited by 8 publications

References 42 publications

Flexible hybrid electronics: Enabling integration techniques and applications

Flexible hybrid electronics: Enabling integration techniques and applications

RETRACTED ARTICLE: Design of an efficient multimodal engine for preemption and post-treatment recommendations for skin diseases via a deep learning-based hybrid bioinspired process

High-density, highly sensitive sensor array of spiky carbon nanospheres for strain field mapping

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