High-Contrast Resolution Module Specifications
Material
HE CT Solid Water®
Diameter
20.0 cm (7.9 in)
Length
A 4.0 cm (1.57 in) measurement region plus 2.0 cm on the end for mounting and scatter equilibrium
Resolution Pattern Size
1.5 cm x 1.0 cm x 4.0 cm
Resolutions Tested
2,4,5,6,7,8,9,10,12,14,16,18,20,22 lp/cm
Automated Analysis
Solid material samples improve computational analysis
Features
Large 3D pattern sizes enable robust evaluation
Contrast Material
Zinc
Wire Ramps
2x Tungsten wire, 0.15 mm diameter, and 2x Stainless Steel wire, 0.635 mm diameter
MTF BB’s
1 - 0.18 mm; 2 - 0.28 mm
Geometric Evaluation
Four air holes, 125 mm apart
Epoxy interior, with a shell of our new HE CT Solid Water®
4.0 cm (1.57 in)
Contrast Levels
0.3% (3HU), 0.6% (6HU), 1.0% (10HU), 2.0% (20 HU)
Sizes at Each Contrast
2, 3, 4, 5, 7, 9, 12, 15, and 25 mm
Sub-slice Contrasts
2, 3, 5, 7, and 10 mm (cylinder diameter and length), at each contrast level
Uniformity Module Specifications
4.0 cm (1.57in)
HU Module Specifications
Base Material
Insert Materials
2x HE CT Solid Water, HE Inner Bone, HE Cortical Bone, Acrylic, Polystyrene, LDPE, PMP, Teflon, Delrin, 2x Air
