MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Provides consistent performance information for any single photon emission computed tomography (spect) or positron emission tomography (pet) system; multiple performance characteristics of camera-based spect systems are evaluated from a single scan of the phantom; cylinder interior dimensions: 8.5 in diameter x 7.32 in h (21.6 x 18.6 cm); cylinder wall thickness: 0, 125 in (3.2 mm); cold rod diameters: 6.4, 7.9, 9.5, 11.1, 12.7, 16.0 mm; solid sphere diameters: 12.7, 15.9, 19.1, 25.4, 31.8, 38 mm
