PROBLEM TO BE SOLVED: To provide an ultrasonic transducer which is inexpensive and compact and where reliability of electrical connection is high.SOLUTION: The ultrasonic transducer consists of: an electromechanical transducer which transduces an electric signal to mechanical operation to radiate ultrasonic waves an acoustic matching member formed on an ultrasonic radiation side of the electromechanical transducer a backing material formed on the opposite side of the ultrasonic radiation side of the electromechanical transducer a connecting member connected electrically to the electromechanical transducer by plastic deformation and an insulating member formed on the surface of the connecting member excepting for an electrically connected part in the connecting member.COPYRIGHT: (C)2007,JPO&INPIT【課題】 本発明では、安価で小型が可能で電気的接続の信頼性の高い超音波振動子を提供する。【解決手段】 電気信号を機械的動作に変換させて超音波を放射させる電気機械変換素子と、前記電気機械変換素子の超音波放射面側に設けられた音響整合部材と、前記電気機械変換素子の超音波放射面側の反対の面に設けられたバッキング材と、塑性変形を行うことにより電気的に前記電気機械変換素子と接続される接続部材と、前記接続部材のうち電気的な接続がされる部分以外の該接続部材の表面に設けられた絶縁部材と、からなる超音波振動子により、上記課題の解決を図る。【選択図】 図1
