POWER-HARVESTING FLEXIBLE PRINTED CIRCUIT BOARD WITH BUILT-IN MECHANICAL METAMATERIAL

Mikito Kitazawa,Vivek A. Menon,Hiroaki Honma,Gen Hashiguchi,Hiroshi Toshiyoshi,Takaaki Suzuki

2022 IEEE 35TH INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS CONFERENCE (MEMS)（2022）

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Abstract

In this paper, we propose a vibration energy harvester (VEH) based on a flexible printed circuit (FPC) capable of power generation using a polymer-based piezoelectric material, and designed a metamaterial elastic layer suitable for the VEH-FPC, which is both an FPC and a VEH. As a result of FEM analysis, we were able to reduce the resonance frequency by 20% and increase the power generation by 1.8 times compared to the conventional solid elastic structure while suppressing the stress generated at the sensor junction.

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Key words

Flexible Printed Circuit, Vibration Energy Harvester, Piezoelectric Material, Metamaterial structure, FEM

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