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US 2012/0056511 A1Published application
Ultrasonic Transducer
AssigneeMurata Manufacturing Co., Ltd.
InventorHironori Sakai
Life of this patent
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Abstract
An ultrasonic transducer includes a case having a closed end in the main axis direction, a piezoelectric element located substantially at the center of the closed end of the case, and a body arranged inside the case so as to be opposed to the piezoelectric element. The body has an irregular surface opposed to and spaced from the piezoelectric element.
Claims14
An ultrasonic transducer comprising:
- a case having a closed end in a main axis direction thereof;
- a piezoelectric element located substantially at a center of the closed end of the case;
- and
- a body arranged inside the case so as to be opposed to the piezoelectric element,
- wherein the body has an irregular surface portion opposed to and spaced from the piezoelectric element.
2 more elements
Dependencies are inferred from the claim text.