| 摘要 |
<p>Ultrasonic transducer module comprises at least one transmitter layer (15), at least one receiver layer (11) and at least one ground plane (12, 14). The transmitter layer (15) and the receiver layer (11) comprise a number of elongated transmitter and receiver electrodes (16, 17), the electrodes being arranged in parallel within each layer, the transmitter layers (15) and the receiver layers (11) are parallel, and the electrodes (16, 17) of the receiver layers make an angle greater than zero with the electrodes of at least one of the transmitter.</p> |
