| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an ultrasonic transducer which achieves downsizing and low costs.SOLUTION: A housing of an ultrasonic transducer includes: a metal case 1b having a cup shape; and a resin support part 2 having a cup shape. An inner surface of the case 1b and a part at the opening side in the support part are adhered to each other to form the housing with no opening part.</p> |
