A design and a manufacturing method of ultrasound transducers based on films of ferro-electric ceramic material is presented, the transducers being particularly useful for operating at frequencies above 10 MHz. The manufacturing technique can involve tape-casting of the ceramic films, deposition of the...http://www.google.ca/patents/US20050194865?utm_source=gb-gplus-sharePatent US20050194865 - High frequency ultrasound transducers based on ceramic films
