ULTRASONIC TRANSDUCER AND ULTRASONIC IMAGING APPARATUS

摘要

The acoustic performance is enhanced by imparting uniform and stable properties to cMUT cell array. Cell (102) placed in the outermost peripheral portion or edge position of two-dimensional array (101) of cMUT cells designed and produced as a transducer capable of normal transmission/receiving is additionally provided with a signal blocking part for blocking of cell displacement, vibration and signal transmission/receiving.