PROBLEM TO BE SOLVED: To provide an ultrasonic probe of a two-dimensional array capable of simply and reliably communicating the top and bottom surfaces of each element in an acoustic matching layer, an ultrasonic diagnostic device, and to provide a method of manufacturing the ultrasonic probe.SOLUTION: The ultrasonic probe 1 includes: a plurality of piezoelectric bodies 22 arranged two-dimensionally a plurality of upper electrodes 24 respectively formed in the plurality of piezoelectric bodies 22 a plurality of pillar-shaped non-conductive members (non-conductive bodies) 32 arranged in the plurality of upper electrodes 24 and a plurality of internal metal thin films 33 respectively formed in the plurality of non-conductive members 32 so as to expose themselves to an arrangement surface (bottom surface) side of the non-conductive members 32 and to the other surface (top surface) side of the non-conductive members 32, facing the arrangement surfaces side.COPYRIGHT: (C)2009,JPO&INPIT【課題】簡便且つ確実に音響整合層の各素子の上下面を導通することを可能とする2次元アレイの超音波探触子、超音波診断装置、及び超音波探触子の製造方法を提供する。【解決手段】超音波探触子1は、2次元状に配置された複数の圧電体22と、複数の圧電体22にそれぞれ形成された複数の上側電極24と、複数の上側電極24に配置された柱状の複数の非導電性部材(非導電体)32と、非導電性部材32の配置面(下面)側と、配置面側に対向する非導電性部材32の他面(上面)側とに露出するように、複数の非導電性部材32にそれぞれ形成された複数の内部金属薄膜33と、を具備する。【選択図】 図2
