Fig. 3: Development of a PMUT array for wearable application. | Microsystems & Nanoengineering

Fig. 3: Development of a PMUT array for wearable application.

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

Fig. 3: Development of a PMUT array for wearable application.The alternative text for this image may have been generated using AI.

a Schematic of the ultra-narrow PMUT array with high wearability. b Simulated acoustic field distributions of PMUT arrays with different aspect ratios (AR). c Pressure profiles along the x, y, and z lines through the focus point (20 mm from the device surface). d Optical image of the fabricated miniature and wearable PMUT array with the AR = 7:1

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