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Award ID contains: 1439644

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  1. ; ; ; (, Smart Materials and Structures)
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  2. ; ; ; ; ; (, Journal of Microelectromechanical Systems)
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  3. ; ; (, 2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW))
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    This paper presents the design, fabrication and experimental characterization of a chip-sized wireless power receiver for low-frequency electrodynamic wireless power transmission (EWPT). Utilizing a laser micro-machined meandering suspension, one NdFeB magnet, and two PZT-SA piezoelectric patches, this 0.08 cm 3 micro-receiver operates at its torsion mode mechanical resonance of 724 Hz. The device generates 360 μW average power (4.2 mWcm -3 power density) at 1 cm distance from a transmitter coil operating at 724 Hz and safely within allowable human exposure limits of 2 mTrms field. Compared to a previously reported macro-scale prototype, this volume-efficient micro-receiver is 31x smaller and offers 3.2x higher power density within a low-profile, compact footprint for wirelessly charging wearable and bio-implantable devices. 
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  4. ; (, Journal of Microelectromechanical Systems)
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  5. ; ; ; ; (, Journal of Microelectromechanical Systems)
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