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    Design, mechanics, and operation of spiral-interconnect based networked sensor for stretchable electronics

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    Type
    Article
    Authors
    Qaiser, Nadeem cc
    Damdam, A. N.
    Khan, Sherjeel M. cc
    Shaikh, Sohail F. cc
    Hussain, Muhammad Mustafa cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Integrated Nanotechnology Lab and Integrated Disruptive Electronic Applications (IDEA) Lab, Electrical Engineering, Computer Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
    Electrical Engineering Program
    Date
    2019-10-28
    Embargo End Date
    2020-10-28
    Permanent link to this record
    http://hdl.handle.net/10754/660350
    
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    Abstract
    Currently, stretchable electronics has gained intensive attention due to its numerous applications, especially for implantable medical diagnostics and soft actuator based surgeries. A practical stretchable system requires the use of a feedback-assisted structure, i.e., that can detect the movement of the device, analyze the data, and manage the motion, referred to as digitally controlled actuation. An island-interconnect configuration is used to attain the stretchable electronics such as a spiral interconnect is commonly used architecture due to its high stretchability and ability to accommodate large deformations. Here, we fabricate the microscale stretchable series networks and experimentally demonstrate their stretching profiles. A systematic comparison using experiments and finite element method modeling illustrates the mechanical response of the series network up to their fracture limit and shows the stretchability of 160% before the fracture. Cyclic testing shows that the spiral-interconnect experiences no fracture up to 412 cycles. We then devise a sensing mechanism, which detects the actual movement of the island during stretching. The sensitivity and resolution of the sensing mechanism are 1.4 fF/μm and 0.7 μm, respectively. Our proposed sensing mechanism might digitally control the soft robotic-arms and actuators for next-generation drug delivery and targeted application of artificial entities.
    Citation
    Qaiser, N., Damdam, A. N., Khan, S. M., Shaikh, S. F., & Hussain, M. M. (2019). Design, mechanics, and operation of spiral-interconnect based networked sensor for stretchable electronics. Applied Physics Letters, 115(18), 181904. doi:10.1063/1.5123680
    Publisher
    AIP Publishing
    Journal
    Applied Physics Letters
    DOI
    10.1063/1.5123680
    Additional Links
    http://aip.scitation.org/doi/10.1063/1.5123680
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.5123680
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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