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. 2017 May 19;17(5):1166. doi: 10.3390/s17051166

Figure 9.

Figure 9

(A–D) Electrical characterization of the bionic ear. Reproduced from [25], with permission from the American Chemical Society © 2013; (E) Fabrication steps of acoustic sensor combining 2D inkjet printing and 3D printing techniques; (F) Printed capacitive acoustic transducer; (G) Inkjet printing on thin Mylar film. Reproduced from [26], with permission from by the authors © 2015; licensee MDPI, Basel, Switzerland; (H) The hollow, spherical ceramic shell performing as an ultrasonic transducer. Reproduced from [27], with permission from the authors © 2015, Phys. Status Solidi A, published by WILEY–VCH Verlag GmbH & Co. KGaA, Weinheim, Germany; (I) Designed Near-field monaural localization structure. Reproduced from [28], with permission from by the authors © 2015; licensee MDPI, Basel, Switzerland.