PROBLEM TO BE SOLVED: To provide an ultrasonic probe which has an excellent performance for transmission and reception of an ultrasonic wave while forming a plurality of inorganic piezoelectric elements and a plurality of organic piezoelectric elements so as to be laminated with each other, and provide a method of manufacturing the same.SOLUTION: A plurality of inorganic piezoelectric elements 2 are formed so as to be arrayed with a pitch P on a surface 1a of a backing material 1, a first acoustic matching layer 3 and a second acoustic matching layer 4 are sequentially arranged on a plurality of inorganic piezoelectric elements 2, the second acoustic matching layer 4 includes a plurality of organic piezoelectric elements 5 formed so as to be arrayed with the same pitch P as the plurality of inorganic piezoelectric elements 2, and each of the organic piezoelectric elements 5 includes a first piezoelectric element part 5a and a second piezoelectric element part 5b laminated with each other in a sound axis direction.COPYRIGHT: (C)2015,JPO&INPIT【課題】複数の無機圧電素子と複数の有機圧電素子を互いに積層形成しながらも、超音波の送受信に対して優れた性能を有する超音波探触子およびその製造方法を提供する。【解決手段】バッキング材1の表面1a上に複数の無機圧電素子2がピッチPで配列形成され、複数の無機圧電素子2の上に第1の音響整合層3と第2の音響整合層4が順次配置されており、第2の音響整合層4は、複数の無機圧電素子2と同じピッチPで配列形成された複数の有機圧電素子5を含み、それぞれの有機圧電素子5は、音軸方向に互いに積層された第1の圧電素子部5aおよび第2の圧電素子部5bを有している。【選択図】図1
