PROBLEM TO BE SOLVED: To provide an ultrasound unit 30 which is easy to manufacture.SOLUTION: An ultrasound unit 30 includes: a plurality of ultrasound elements 60 having a first main surface 60SA on which a transceiver 61 for sending and receiving an ultrasound is formed a holding member 20 that includes a backing sheet 21 having a plurality of recesses 22 each of which the ultrasound element 60 is fitted in, and a cylindrical hollow member 25 to which the backing sheet 21 is bonded on an outer peripheral surface thereof and a cable 80 that transmits a signal of the ultrasound element 60.COPYRIGHT: (C)2013,JPO&INPIT【課題】製造が容易な超音波ユニット30を提供する。【解決手段】超音波ユニット30は、第1の主面60SAに超音波を送受信する送受信部61が形成された複数の超音波エレメント60と、複数の凹部22のそれぞれに超音波エレメント60が嵌合されているバッキングシート21と、バッキングシート21が外周面に接合された円筒形の中空部材25とを含む保持部材20と、超音波エレメント60の信号を伝送するケーブル80と、を具備する。【選択図】図7
