| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultrasonic matching layer and an ultrasonic transducer.SOLUTION: In one embodiment, matching layers are provided for an ultrasonic transducer stack having a matching layer comprising a matrix material loaded with a plurality of micron-sized and nano-sized particles. In another embodiment, the matrix material is loaded with a plurality of heavy and light particles. In the other embodiment, an ultrasound transducer stack comprises a piezoelectric layer and at least one matching layer. In the one embodiment, the matching layer comprises a composite material comprising a matrix material loaded with a plurality of micron-sized and nano-sized particles. In a further embodiment, the composite material can also comprise a matrix material loaded with a plurality of heavy and light particles. In the further embodiment, a matching layer can also comprise cyanoacrylate. |
