Niterra Co., Ltd.

Asuka Tsujii

Hirotoshi Yoshizaki

Takashi Kasashima

Shinsuke Itoh

Ryo Suzuki

Toshihito Sonobe

Yuichiro Hanawa

An ultrasonic transducer () including: a plurality of vibrators (); and a connection portion () connecting the vibrators () to each other. Each of the vibrators () has a piezoelectric element () and a vibration plate () joined to the piezoelectric element (). The connection portion () connects the vibration plates () to each other. A width (W) of the connection portion () is smaller than a width (W) of the vibration plate (). In this configuration, the relative positional relationship among the vibrators () is easily stabilized.

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Nagoya, Japan

Asuka Tsujii