| 摘要 |
An ultrasonic probe, in which a thick adhesive layer is not formed directly under the piezoelectric element and the adhesive is prevented from covering an electrode portion of a side face of the piezoelectric element. The ultrasonic probe includes: a main backing material having a curved surface; a flexible auxiliary member having a first surface bonded onto the curved surface of the main backing material by using an adhesive; and an array of piezoelectric elements arranged on a second surface of the flexible auxiliary member, wherein at least one of side edges of a bonding surface between the flexible auxiliary member and the main backing material is formed with a recessed area for allowing the adhesive, which has protruded when bonding the flexible auxiliary member onto the main backing material by using the adhesive, to escape thereinto.
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