ATTENUATION 0.5

As one of the new generation of grey scale phantoms, the Precision Small Parts Grey Scale Phantom Gammex 404GS LE provides advanced technology for measuring image quality of small parts and intra-cavity ultrasound scanning systems. With added grey scale targets this small parts phantom also measures contrast, temporal resolution, and system linearity. The Gammex 404 LE has the same general target layout and specifications as the 404GS LE but does not include grey scale targets. This phantom also incorporates our tissue mimicking (TM) gel which provides a smoother background texture and a composite film scanning surface that has improved transmission properties so more of the ultrasonic beam can be transmitted and received.

Unique to the Gammex 404GS LE are closely spaced pin targets ideal for testing a range of high frequency transducers. Resolution patterns and all vertical and horizontal targets are made of 0.1 mm nylon fibers for better detail definition and spatial resolution. Three grey scale targets of -6 dB, +6 dB and high scatter relative to the background material are included.

Gammex 404GS LE features:
• axial and lateral resolution targets at 1, 3.5 and 6 cm for precise resolution measurements
• low scatter cysts of 1, 2, and 4 mm diameters
• 7 mm grey scale targets of -6 dB, +6 dB and high scatter relative to background material
• 7 mm anechoic cyst to evaluate system noise and distortion
• attenuation coefficients of 0.5 or 0.7 dB/cm/MHz
• convertible water dam for gel or water coupled scanning
• integral cover to protect scanning surface
• durable ergonomic design for handling ease
• optional foam-lined carrying case