| 摘要 |
There is provided an ultrasonic probe that can transmit and receive ultrasonic waves with high sensitivity and can drive an ultrasonic transducing part smoothly at high speed. The ultrasonic probe according to the present invention includes: an ultrasonic transducing part 101 for transmitting and receiving an ultrasonic wave; an outer case 105 for storing the ultrasonic transducing part 101; and an acoustic medium 106 charged in the outer case 105, wherein the acoustic medium 106 contains 1,2-butylene glycol.
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