. Author manuscript; available in PMC: 2010 Oct 1.

Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2010 Sep;57(9):2076–2090. doi: 10.1109/TUFFC.2010.1655

TABLE III.

Mean Measured Physical Properties for a Series of 34 Composites Fabricated With Three Layers of TFT H13 Ceramic and Composite Material

	ε ₃₃^S	k₃₃ ’	tan(δ)	Q_m	Z (MRayl)
3-layer ceramic array element resonators
Mean	4700	0.62	0.0029	145	29.5
SD	370	0.01	0.0002	55	0.7
3-layer composite array element resonators
Mean	3850	0.63	—	86	20.9
SD	500	0.02	—	25	0.7