| abstract |
An ultrasonic probe capable of easily obtaining a desired resonance frequency is provided. A Pb (Me, Nb) 1- x Ti x O 3 ( where the value of x is 0 ≦ x ≦ 0.55, at least Me is Zn, Mg, selected from the group consisting of Sc and In A first acoustic matching layer provided on the piezoelectric body side and including an organic resin and zinc oxide particles dispersed in the organic resin; Provided is an ultrasonic probe provided on a first acoustic matching layer and having two second acoustic matching layers whose acoustic impedance is smaller than that of the first acoustic matching layer. [Selection diagram] Fig. 1 |