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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2021 Jun 29;68(7):2419–2431. doi: 10.1109/TUFFC.2021.3065952

TABLE II.

MATERIAL THICKNESSES AND RELEVANT LAYER PROPERTIES IN THE INTEGRATED DF PROBE

Thickness (mm) Speed of Sound (m/s) Density (g/cm3) Attenuation (dB/mm)
LF Backing 4.2 1960 1.11 17
LF Layer (Tx) 0.75 3370 3.19 -
LF Matching #1 0.25 1989 3.44 16
LF Matching #2 0.33 2670 1.19 -
HF Stack MX250 (FUJIFILM-VisualSonics Inc.)

Attenuation was measured at 30 MHz.