Table 1.

PZT and cMUT Acoustic Array Design Parameters

Design Parameter	Acoustic Array Design Type
	Piezoceramic		MEMS Silicon
Transducer Type	2–2 composite PZT		cMUT Disk, or Rectangle
Generation	Generation 1	Generation 2	Prototype
Catheter Size	15F/10.2F	9F	(in catheter assembly)
Transducer placement on flex circuit bend radius	inside	inside	outside
Array elements	24	24	24
Center Frequency (MHz)	14	14	14
Array pitch (mm)	0.065	0.065	0.065
Element Elevation (mm)	1.2	1.2	1.2