Ultra-thin acoustic lens for subwavelength focusing in megasonic range, and design method therefor

Plane wave generator using phononic-crystal lens and method for designing the same

Gradient-index phononic crystals and its design method

Gradient-index phononic-crystal lens and its design method

Improved ultrasonic transducer with the enhanced acoustic radiation power

Design method of ultrathin acoustic lens for subwavelength focusing in megasonic range

Haptic display apparatus and vibrating panel having plurality of vibrating point

Haptic apparatus and method of partial vibration