High Frequency Piezo-Composite Micromachined Ultrasound Transducer Array Technology for Biomedical Imaging
3. Piezoelectric Composite Transducer Technique
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Piezoelectric/polymer composites offer many advantages over single phase material for many transducer applications such as medical imaging, underwater sonar, stress sensing, and non-destructive engineering (NDE). The complementary properties of the polymer and piezo material in the mechanical and electric responses provide the possibilities to tune the composite properties within a wide range. In order to achieve the optimized properties of composite, it is critical to establish a quantitative relationship between the composite properties with various material and design parameters of the constituents.