PROBLEM TO BE SOLVED: To provide an ultrasonic probe and an ultrasonic diagnostic equipment which improve the reception/transmission capabilities of ultrasonic waves.SOLUTION: An ultrasonic probe 5 of this invention includes: a thin plate like substrate 61 a thin plate like piezoelectric member 62 laminated on the substrate 61 a pair of first and second electrodes 63, 64 which is formed at the piezoelectric member 62 and has a ring shape and multiple grooves 7 extending in the radial direction that is a direction of an electric field generated when a voltage is applied to the pair of first and second electrodes 63, 64.COPYRIGHT: (C)2013,JPO&INPIT【課題】本発明は、超音波の送受信の性能を向上させることができる超音波探触子および超音波診断装置の提供を目的とする。【解決手段】本発明の超音波探触子5は、薄板状の基板61と、基板61に積層された薄板状の圧電部材62と、前記圧電部材62に形成されたリング状の1対の第1及び第2電極63,64と、前記1対の第1及び第2電極63,64に電圧を印加した場合に生じる電界の方向である径方向に延ばされ複数の溝7とを備えている。【選択図】図5
