12
Target Specifications
Cystic Targets
Diameters.........................................................................................................2, 4, and 6 mm
Placement................................................................................................3, 8, and 14 cm deep
Speed of sound..................................................................................................1540±10 m/s
Attenuation coefficient........................................................................0.05±0.01 dB/cm/MHz
Grey Scale Targets
Dimensions................................................................................................9.5 x 9.5 x 13.4 mm
Placement..............................................................................................................4 cm deep
Speed of sound..................................................................................................1540±10 m/s
Temperature dependence on speed of sound...........................................................1.5 m/s/ºC
Contrast
..................................low scatter, -6 dB, +6 dB, high scatter relative to background
Pin Targets
Diameter....................................................................................................................0.1 mm
Vertical spacing..................................................................................... 2 cm at 2–16 cm deep
Horizontal spacing..........................................................................3 cm at 2 and 12 cm deep
Cross fibers...............................................................................0.2 mm at 2 and 6 cm deep
Resolution Target Group
.................................................................................................at 3, 8, and 14 cm deep
All acoustic measurements made at 4.5 MHz, 22ºC.
Due to our philosophy of continuous quality improvement,
all specifications are subject to change.
Summary of Contents for 405 GSX LE
Page 1: ...User s Guide 405 GSX LE Precision Resolution Grey Scale Phantom ...
Page 13: ...13 ...
Page 25: ...25 Notes ...