With the development of technology, systems gravitate towards increasing in their
complexity, miniaturization, and level of automation. Amongst these systems, ultrasonic …

An artificial graft inserted in the vascular system can cause thrombosis, which may lead to
catastrophic consequences. New intelligent vascular prosthetics that can recognize the …

Skeletal muscle is considered as a near-constant volume system, and the contractions of the
muscle are related to the changes in tissue thickness. Assessment of the skeletal muscle …

Focused ultrasound has attracted great attention in minimally invasive therapeutic and
mechanism studies. Frequency below 1 MHz is identified preferable for high-efficiency bio …

Several micromachining techniques for the fabrication of high-frequency piezoelectric
composite ultrasonic array transducers are described in this paper. A variety of different …

For transducer design, it is essential to know the acoustic properties of the materials in their
operating conditions. At frequencies over 15 MHz, standard methods are not well adapted …

Aperiodic sparse 2D ultrasonic array configurations, including random array, log spiral array,
and sunflower array, have been considered for their potential as conformable transducers …

Piezoelectrics are key materials for energy conversion, for example in ultrasound
transducers and energy harvesters. This work presents the synthesis and characterization of …

PZT‐epoxy‐multiwalled carbon nanotube (MWCNT) flexible thick film actuators were
fabricated using a sol‐gel and spin coat and deposition process. Films were characterized in …

The quantitative measurement of acoustic properties is indispensable for many applications.
The realization of devices for the evaluation of acoustic properties with higher accuracy and …