Gammex 404GS LE, User Manual

14

Phantom Specifications

Physical Specifications

Weight......................................................................................Approx. 1.75 kg (3 lbs. 13 oz.)
Dimensions...........................................................................................17 x 8.25 x 15.875 cm
 

....................................................................................................(6.75 x 3.25 x 6.25 in.)

Scanning surface........................................................................................Composite film
Case material...................................................................................................ABS plastic
Pin target material...............................................................................Nylon monofilament

Tissue Mimicking Background Material

Water-based gel with appearance of human tissue.

Speed of sound............................................................................................1540±10 m/s
Temperature dependence of speed of sound.........................................................1.5 m/s/ºC
Attenuation coefficient..................................................................0.7±0.05 dB/cm/MHz
 

..........................................................................................0.5±0.05 dB/cm/MHz

................................................................................ refer to phantom side label

Low Scatter (Anechoic) Cysts

Speed of sound................................................................................................1540±10 m/s
Temperature dependence of speed of sound.........................................................1.5 m/s/ºC
Attenuation coefficient.................................................................0.05±0.01 dB/cm/MHz

Grey Scale Targets

Speed of sound.................................................................................................1540±10 m/s
Temperature dependence of speed of sound.........................................................1.5 m/s/ºC
Contrast (in dB).....................................-6, +6 and high scatter relative to background

All acoustic measurements made at 4.5 MHz, 22ºC.

Due to our philosophy of continuous quality improvement, 

all specifications are subject to change.