| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultrasonic probe which also improves formability at the time of making an element into recessed face concerning this element having satisfactory characteristics for transmitting/receiving ultrasonic waves by composing piezoelectric materials. SOLUTION: This ultrasonic probe is composed of a base 1 having a recessed face 1a, a compound reflector 2 as the compound film of piezoelectric ceramics materials and organic piezoelectric materials to be laminated on the recessed face 1a, and a polymeric piezoelectric body 3 as an organic piezoelectric film laminated on the compound reflector 2. In this case, the compound reflector 2 is used for oscillating ultrasonic waves and the polymeric piezo-electric body 3 is used for receiving the ultrasonic waves. Therefore, characteristics for transmitting and receiving the ultrasonic waves are improved and since this ultrasonic probe is provided on the base 1 having the recessed face 1a, the characteristics are further improved. |
