Parylene C-Based, Breathable Tattoo Electrodes for High-Quality Bio-Potential Measurements

Andrea Spanu

First

;Antonello Mascia;Giulia Baldazzi;Benji Fenech-Salerno;Felice Torrisi;Graziana Viola;Annalisa Bonfiglio;Piero Cosseddu

;Danilo Pani

Last

2022-01-01

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Abstract

A breathable tattoo electrode for bio-potential recording based on a Parylene C nanofilm is presented in this study. The proposed approach allows for the fabrication of microperforated epidermal submicrometer-thick electrodes that conjugate the unobtrusiveness of Parylene C nanofilms and the very important feature of breathability. The electrodes were fully validated for electrocardiography (ECG) measurements showing performance comparable to that of conventional disposable gelled Ag/AgCl electrodes, with no visible negative effect on the skin even many hours after their application. This result introduces interesting perspectives in the field of epidermal electronics, particularly in applications where critical on-body measurements are involved.