Backing for acoustic transducer array

摘要: An acoustic transducer assembly (15) is provided having a one or two-dimensional array of elements (13), an electrical circuit element such as board (19) and backing (27) for interconnecting to corresponding contacts (22,45) traces the element. The block (37) attenuating material conductor (39) extending therethrough between each (13) contact (22). has properties, including impedance velocity, achieve desired degree match with and/or permit coupling energy from conductors into (37). may be single have different volumes two more materials properties results. Multiple thin (39a) conducting fibers foils (42) utilized reduce eliminate conductors. Acoustic also reduced by providing off-center (13). Removal facilitated covering (41) lower velocity than conductor, which matched at least portion adjacent material.