Multilayer stretchable electronics with designs enabling a compact lateral form

Multilayer stretchable electronics with designs enabling a compact lateral form

(2024)8:13 | Dongwuk Jung, Hunpyo Ju, Sungbum Cho, Taeyeon Lee, Changeui Hong, Jongho Lee
This paper presents a design approach for multilayer stretchable electronics that maintain a compact lateral form while preserving the stretchability of single-layer electronics. The authors introduce a vertically-separated multilayer stretchable circuit (VSMSC) design, which consists of multiple layers of islands and stretchable interconnectors. This design allows for efficient strain absorption and maintains the stretchability of the electronics, even when integrated into more compact forms. Experimental and computational analyses demonstrate that the VSMSC design can achieve similar induced strain levels compared to single-layer electronics. The benefits of this approach are showcased through the fabrication of compact, multi-functional stretchable implantable bio-electronics and passive matrix LEDs arrays. In vivo experiments with the implantable bio-electronics in mice show that the device can function effectively and remain stable after two weeks of implantation. The study highlights the potential of the VSMSC design for a wide range of applications requiring high-density, stretchable electronics.This paper presents a design approach for multilayer stretchable electronics that maintain a compact lateral form while preserving the stretchability of single-layer electronics. The authors introduce a vertically-separated multilayer stretchable circuit (VSMSC) design, which consists of multiple layers of islands and stretchable interconnectors. This design allows for efficient strain absorption and maintains the stretchability of the electronics, even when integrated into more compact forms. Experimental and computational analyses demonstrate that the VSMSC design can achieve similar induced strain levels compared to single-layer electronics. The benefits of this approach are showcased through the fabrication of compact, multi-functional stretchable implantable bio-electronics and passive matrix LEDs arrays. In vivo experiments with the implantable bio-electronics in mice show that the device can function effectively and remain stable after two weeks of implantation. The study highlights the potential of the VSMSC design for a wide range of applications requiring high-density, stretchable electronics.
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[slides and audio] Multilayer stretchable electronics with designs enabling a compact lateral form