1 results about "High attenuation" patented technology

The present disclosure provides a flexible ultrasonic transducer and a calibration method, and relates to the technical field of intelligent medical treatment. The ultrasonic transducer comprises a matching layer, an intermediate layer and a backing layer, the matching layer is in contact with breast-related tissue; the backing layer is used for emitting ultrasonic waves to the breast-related tissue and receiving echoes, and the material of the backing layer is a high attenuation material for ultrasonic waves; the intermediate layer comprises an electrode layer and a piezoelectric insulating material, the electrode layer comprises a top electrode in contact with the backing layer and a bottom electrode in contact with the matching layer, the piezoelectric insulating material is surface metallized and arranged between the top electrode and the bottom electrode, and the electrode layer and the piezoelectric insulating material are electrically connected.