Micro hollow sphere mold

Micro Hollow Sphere Model, ECT/HS/MMP Hollow Sphere Model, Micro Hollow Sphere Phantom Main Applications: $r $n Small animal system evaluation (field of view greater than 45 millimeters) $r $n $r $n Ultra high resolution ECT system evaluation (half width less than or equal to 3 millimeters) $r $n $r $n Simulating small hot or cold zone spherical "lesions" $r $n $r $n Quantitative evaluation of spatial resolution/small object size effects $r $n $r $n Quantitative reconstruction method evaluation $r $n $r $n Spatial resolution measurement $r $n $r $n Research

Micro Hollow Sphere Phantom, ECT/HS/MMP Hollow Sphere Phantom, Specification Parameters

• Overall transparent material: polymethyl methacrylate (PMMA)

• Cylinder outer diameter: approximately 51 millimeters

• Cylinder inner diameter: approximately 40 millimeters

• Cylinder height: approximately 82 millimeters

• Cylinder outer height: approximately 114 millimeters

• Cylinder empty volume: approximately 408 cubic millimeters

• Lid: equipped with 5 micro hollow sphere positioning points -1 located in the center; The remaining 4 are evenly distributed around the center, with a distance of 12.7 millimeters from the center

• Distance from the center of the sphere to the installation surface: approximately 53 millimeters from the inner cover of the cylinder

• Support rod: made of solid polyvinyl chloride (PVC) material, with a diameter of about 3 millimeters and a length of 38 millimeters

• Hollow sphere:

• Outer diameter: about 6 millimeters, about 7 millimeters, about 8 millimeters, about 10 millimeters

• Volume: approximately 31 microliters, approximately 63 microliters, approximately 125 microliters, approximately 250 microliters