Table 1.

Design parameters and output performance of the 8‐channel transducer.

Channel number	Length [µm]	Width [µm]	Mass Length [µm]	Piezo Length [µm]	Freq. [Hz]	Output Level [mVpp]	Sens. [mV Pa−1]	SNR [dB]
1	2900	1300	1400	700	326	141.6	70.8	66.8
2	2100	1300	1100	500	616	296.8	148.4	74.7
3	1800	1250	600	440	870	163.4	81.7	75.4
4	1500	1250	500	425	1148	115.7	57.8	79.4
5	1300	1250	450	325	1479	138.6	69.3	81.0
6	1100	900	400	275	2030	160.7	80.3	74.2
7	900	900	300	225	2929	320.3	160.2	84.2
8	800	800	250	175	4615	36.1	18.0	81.8