Piezoelectric ultrasonic transducers with fractal geometry

Mathematics

• Bandwidth 12%
• Composite 10%
• Composite Structures 17%
• Fractal 10%
• Fractal Geometry 90%
• Heterogeneous Media 15%
• Impedance 13%
• Length Scale 43%
• Performance 6%
• Piezoelectric 91%
• Predict 10%
• Propagation 10%
• Range of data 14%
• Renormalization 13%
• Resonator 16%
• Theoretical Model 14%
• Transducer 83%
• Ultrasonic Wave 21%

Engineering & Materials Science

• Acoustic impedance 8%
• Bandwidth 7%
• Composite materials 6%
• Composite structures 12%
• Fractals 73%
• Geometry 42%
• Piezoelectric transducers 93%
• Resonators 11%
• Ultrasonic transducers 100%
• Ultrasonic waves 14%