Fig. 1: Uniformity of cell vibration in a PMUT array and the role of acoustic coupling. | Microsystems & Nanoengineering

Fig. 1: Uniformity of cell vibration in a PMUT array and the role of acoustic coupling.

From: High-uniformity miniaturized PMUT array with broadband and high-sensitivity for wearable ultrasound imaging

Fig. 1: Uniformity of cell vibration in a PMUT array and the role of acoustic coupling.The alternative text for this image may have been generated using AI.

a Displacement amplitude of cells in arrays with different cell spacings. Each point means a cell. b Phase distribution of cells in arrays with different cell spacings. c Variation of mutual radiation impedance and acoustic coupling strength with cell spacings and the total coupled cells on one side

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