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May 28, 2026Journal of the Institute of Electronics and Information Engineers

Implementation of a High-performance Acoustic Levitation Volumetric Display using a Modular 512-channel Ultrasonic Phased Array System

Mingyoe Seo Junha Hwang Seok Hong Sangyul Lee

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Key Points

The aim is to address the channel limitations of existing ultrasonic levitation systems by proposing a modular 512-channel phased array system.
Proposed a Master-Slave structure using FPGA for modular design.
Enabled the independent control of 256 transducers per module.
Utilized 40 kHz ultrasonic waves to levitate 2 mm polystyrene particles.
Achieved a 125% increase in X-Y control area from 100 cm² to 225 cm².
Improved maximum Z-axis control height by 45% from 9.8 cm to 14.2 cm.
Reduced step distance per phase from 3.8 mm to 2.1 mm, enhancing spatial resolution.

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Implication

Shows enhanced volumetric display control in ultrasound technology, highlighting practical applications.

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Cite This Study

Seo et al. (2026) studied this question.

synapsesocial.com/papers/6a1a80550307b785094325c5 https://doi.org/10.5573/ieie.2026.63.5.109

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