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Invention Grant
CN105722609B 超声换能器组件 有权

超声换能器组件
Abstract:
公开了一种尤其用于超声成像系统(10)的超声换能器组件(50)，其包括换能器阵列(52)，所述换能器阵列包括用于发射和接收超声波(56)的多个换能器元件(54)。所述换能器元件(54)中的每个包括第二电极(70)以及连接到柔性膜(64)的第一电极(66)。所述组件还包括集成电路设备(60)，所述集成电路设备连接到所述换能器阵列(52)以驱动所述换能器元件(54)，其中，所述第一电极(66)电连接到彼此并且耦合到用于将交流驱动电压提供给所述换能器元件(54)中的每个的所述集成电路设备(60)，其中，所述第二电极(70)连接到用于将偏置电压提供给所述换能器元件(54)的电压源，并且其中，所述第一电极(66)中的每个均借助于过孔(76)连接到所述集成电路设备(60)，并且所述过孔(76)馈通所述第二电极(70)。
Abstract(English):

An ultrasound transducer assembly (50), in particular for ultrasound imaging systems (10), is disclosed, comprising a transducer array (52) including a plurality of transducer elements (54) for emitting and receiving ultrasound waves (56). Each of the transducer elements (54) includes a first electrode (66) connected to a flexible membrane (64) and a second electrode (70). The assembly further comprises an integrated circuit device (60) connected to the transducer array (52) for driving the transducer elements (54), wherein the first electrodes (66) are electrically connected to each other and coupled to the integrated circuit device (60) for providing an alternating drive voltage to each of the transducer elements (54), wherein the second electrodes (70) are connected to a voltage supply for providing a bias voltage to the transducer elements (54), and wherein the first electrodes (66) are each connected by means of a via (76) to the integrated circuit device (60) and the vias (76) are fed through the second electrodes (70).

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