Hologic Faxitron CT - Technical Specifications of Components

Faxitron CT Specimen Radiography System User Guide
Appendix A: System Specifications
5081-9544 Revision 004 Page 89
A.3 Technical Specification
A.3.1 System Specifications
Spatial Resolution
100μm or better
Source to Imager Distance (SID)
14.4” (36.6cm)
Exposure Control
Fully Automatic (or fixed)
Geometric Magnification
1.2X to 4.0X (Automatically optimized depending on specimen size)
Imaging Area
15cm x 15cm
Energy Range
15kV to 50kV
Typical Image Acquisition time
~25 seconds for 2D
~210 seconds for 3D without MAC (Metal Artifact Correction), and
~330 seconds for 3D with MAC
Target Material
Tungsten (W)
Beryllium Window Thickness
254μm (0.010”)
Tube Current
1.0mA max (Isowatt Limited to 11.5W max)
X-Ray Duty Cycle
75%
Focal Spot Size
< 15 microns
Input Power
100-240VAC, 50/60Hz, 200VA Max
DICOM Interface
Store, Print, Annotate, Modality Worklist, and CT Image Modality
capabilities
A.3.2 X-Ray CMOS Detector
Detector Pixels:
1548 x 1548 @ 99μm pitch
Frame Rate:
Typically, 2.5 fps for best image quality, (max 22 fps)
Saturation Dose:
14μGy
Dynamic Range:
76dB
DQE (@ 0 lp/mm, RQA5):
70%
Scintillator:
Medical grade columnar cesium-iodide Dx1 (TI)