Research and Application of Spherical 3D Imaging Ultrasound Array Probe

We designed a hemispherical ultrasound array transducer to obtain high-resolution 3D images for photoacoustic tomography. It can be used to detect all kinds of signals. In order to obtain high-resolution three-dimensional images, we place as many piezoelectric transducers as possible in the hemisphere. And the receiving frequency band of the transducer is very wide, in order to deal with the change of ultrasonic frequency with the detection object. The hemispherical array sensor developed by piezoelectric material is used to image blood vessels, and the experimental results show that the transducer can obtain high imaging resolution.