PcI2: New piezoelectric composites for ultrasonic transducers

Abstract The combination of photolithographic processes and green ceramic body structuring methods allow the fabrication of 1–3 or 2–2 composites with very fine structures and a free geometric design. Two suitable methods – named lost mould resp. jet machining – are presented with their potential to make new transducer geometries in the frequency range ≥ 5 MHz.

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