PROBLEM TO BE SOLVED: To simply and reliably making an upper surface conductive with a lower surface of each element of an acoustic matching layer.SOLUTION: The ultrasonic probe includes: a plurality of piezoelectric bodies 21 arranged in two dimensional shape a plurality of upper side electrodes 24 formed on the plurality of piezoelectric bodies 21 a plurality of non-conductive bodies 32 which are arranged on the plurality of the upper side electrodes 24, and respectively have wall faces formed by shaving both sides which are nearly parallel to the upper side electrodes 24 for at least one of four edge parts which are contained in a square pole, and perpendicular to the upper side electrodes 24 and a plurality of first conductive thin films 33 respectively formed on a plurality of wall faces.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。【解決手段】超音波探触子は、2次元状に配置された複数の圧電体21と、複数の圧電体21に形成された複数の上側電極24と、複数の上側電極24上に配置され、四角柱に含まれ上側電極24に垂直な4つの稜部のうちの少なくとも一つが上側電極24に略平行する両面にわたって欠かれたことによって形成された壁面をそれぞれ有する複数の非導電体32と、複数の壁面にそれぞれ形成された複数の第1導電性薄膜33と、を具備する。【選択図】図2
